1.
Taxonomy (biology)
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Taxonomy is the science of defining groups of biological organisms on the basis of shared characteristics and giving names to those groups. The exact definition of taxonomy varies from source to source, but the core of the remains, the conception, naming. There is some disagreement as to whether biological nomenclature is considered a part of taxonomy, the broadest meaning of taxonomy is used here. The word taxonomy was introduced in 1813 by Candolle, in his Théorie élémentaire de la botanique, the term alpha taxonomy is primarily used today to refer to the discipline of finding, describing, and naming taxa, particularly species. In earlier literature, the term had a different meaning, referring to morphological taxonomy, ideals can, it may be said, never be completely realized. They have, however, a value of acting as permanent stimulants. Some of us please ourselves by thinking we are now groping in a beta taxonomy, turrill thus explicitly excludes from alpha taxonomy various areas of study that he includes within taxonomy as a whole, such as ecology, physiology, genetics, and cytology. He further excludes phylogenetic reconstruction from alpha taxonomy, thus, Ernst Mayr in 1968 defined beta taxonomy as the classification of ranks higher than species. This activity is what the term denotes, it is also referred to as beta taxonomy. How species should be defined in a group of organisms gives rise to practical and theoretical problems that are referred to as the species problem. The scientific work of deciding how to define species has been called microtaxonomy, by extension, macrotaxonomy is the study of groups at higher taxonomic ranks, from subgenus and above only, than species. While some descriptions of taxonomic history attempt to date taxonomy to ancient civilizations, earlier works were primarily descriptive, and focused on plants that were useful in agriculture or medicine. There are a number of stages in scientific thinking. Early taxonomy was based on criteria, the so-called artificial systems. Later came systems based on a complete consideration of the characteristics of taxa, referred to as natural systems, such as those of de Jussieu, de Candolle and Bentham. The publication of Charles Darwins Origin of Species led to new ways of thinking about classification based on evolutionary relationships and this was the concept of phyletic systems, from 1883 onwards. This approach was typified by those of Eichler and Engler, the advent of molecular genetics and statistical methodology allowed the creation of the modern era of phylogenetic systems based on cladistics, rather than morphology alone. Taxonomy has been called the worlds oldest profession, and naming and classifying our surroundings has likely been taking place as long as mankind has been able to communicate
2.
Plant
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Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The term is generally limited to the green plants, which form an unranked clade Viridiplantae. This includes the plants, conifers and other gymnosperms, ferns, clubmosses, hornworts, liverworts, mosses and the green algae. Green plants have cell walls containing cellulose and obtain most of their energy from sunlight via photosynthesis by primary chloroplasts and their chloroplasts contain chlorophylls a and b, which gives them their green color. Some plants are parasitic and have lost the ability to produce amounts of chlorophyll or to photosynthesize. Plants are characterized by sexual reproduction and alternation of generations, although reproduction is also common. There are about 300–315 thousand species of plants, of which the great majority, green plants provide most of the worlds molecular oxygen and are the basis of most of Earths ecologies, especially on land. Plants that produce grains, fruits and vegetables form humankinds basic foodstuffs, Plants play many roles in culture. They are used as ornaments and, until recently and in variety, they have served as the source of most medicines. The scientific study of plants is known as botany, a branch of biology, Plants are one of the two groups into which all living things were traditionally divided, the other is animals. The division goes back at least as far as Aristotle, who distinguished between plants, which generally do not move, and animals, which often are mobile to catch their food. Much later, when Linnaeus created the basis of the system of scientific classification. Since then, it has become clear that the plant kingdom as originally defined included several unrelated groups, however, these organisms are still often considered plants, particularly in popular contexts. When the name Plantae or plant is applied to a group of organisms or taxon. The evolutionary history of plants is not yet settled. Those which have been called plants are in bold, the way in which the groups of green algae are combined and named varies considerably between authors. Algae comprise several different groups of organisms which produce energy through photosynthesis, most conspicuous among the algae are the seaweeds, multicellular algae that may roughly resemble land plants, but are classified among the brown, red and green algae. Each of these groups also includes various microscopic and single-celled organisms
3.
Flowering plant
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The flowering plants, also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approx. 13,164 known genera and a total of c.295,383 known species, etymologically, angiosperm means a plant that produces seeds within an enclosure, in other words, a fruiting plant. The term angiosperm comes from the Greek composite word meaning enclosed seeds, the ancestors of flowering plants diverged from gymnosperms in the Triassic Period, during the range 245 to 202 million years ago, and the first flowering plants are known from 160 mya. They diversified extensively during the Lower Cretaceous, became widespread by 120 mya, angiosperms differ from other seed plants in several ways, described in the table. These distinguishing characteristics taken together have made the angiosperms the most diverse and numerous land plants, the amount and complexity of tissue-formation in flowering plants exceeds that of gymnosperms. The vascular bundles of the stem are arranged such that the xylem and phloem form concentric rings, in the dicotyledons, the bundles in the very young stem are arranged in an open ring, separating a central pith from an outer cortex. In each bundle, separating the xylem and phloem, is a layer of meristem or active formative tissue known as cambium, the soft phloem becomes crushed, but the hard wood persists and forms the bulk of the stem and branches of the woody perennial. Among the monocotyledons, the bundles are more numerous in the stem and are scattered through the ground tissue. They contain no cambium and once formed the stem increases in diameter only in exceptional cases, the characteristic feature of angiosperms is the flower. Flowers show remarkable variation in form and elaboration, and provide the most trustworthy external characteristics for establishing relationships among angiosperm species, the function of the flower is to ensure fertilization of the ovule and development of fruit containing seeds. The floral apparatus may arise terminally on a shoot or from the axil of a leaf, occasionally, as in violets, a flower arises singly in the axil of an ordinary foliage-leaf. There are two kinds of cells produced by flowers. Microspores, which divide to become pollen grains, are the male cells and are borne in the stamens. The female cells called megaspores, which divide to become the egg cell, are contained in the ovule. The flower may consist only of parts, as in willow. Usually, other structures are present and serve to protect the sporophylls, the individual members of these surrounding structures are known as sepals and petals. The outer series is usually green and leaf-like, and functions to protect the rest of the flower, the inner series is, in general, white or brightly colored, and is more delicate in structure. It functions to attract insect or bird pollinators, attraction is effected by color, scent, and nectar, which may be secreted in some part of the flower
4.
Monocotyledon
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Monocotyledons, commonly referred to as monocots, are flowering plants whose seeds typically contain only one embryonic leaf, or cotyledon. However, molecular research has shown that while the monocots form a monophyletic group or clade. Monocots have almost always recognized as a group, but with various taxonomic ranks. The APG III system of 2009 recognises a clade called monocots, the monocots include about 60,000 species. The largest family in this group by number of species are the orchids, about half as many species belong to the true grasses, which are economically the most important family of monocots. In agriculture the majority of the biomass produced comes from monocots and these include not only major grains, but also forage grasses, sugar cane, and the bamboos. Other economically important monocot crops include various palms, bananas, gingers and their relatives, turmeric and cardamom, asparagus and the onions and garlic family. Additionally most of the bulbs, plants cultivated for their blooms, such as lilies, daffodils, irises, amaryllis, cannas, bluebells. The monocots or monocotyledons have, as the name implies, a single cotyledon, or embryonic leaf, from a diagnostic point of view the number of cotyledons is neither a particularly useful characteristic, nor is it completely reliable. Nevertheless, monocots are sufficiently distinctive that there has rarely been disagreement as to membership of this group, however, morphological features that reliably characterise major clades are rare. Thus monocots are distinguishable from other angiosperms both in terms of their uniformity and diversity, although largely herbaceous, some arboraceous monocots reach great height, length and mass. The latter include agaves, palms, pandans, and bamboos and this creates challenges in water transport that monocots deal with in various ways. Some such as species of Yucca develop anomalous secondary growth, while palm trees, the axis undergoes primary thickening, that progresses from internode to internode, resulting in a typical inverted conical shape of the basal primary axis. The limited conductivity also contributes to limited branching of the stems, despite these limitations a wide variety of adaptive growth forms has resulted from epiphytic orchids and bromeliads to submarine Alismatales and mycotrophic Burmanniaceae and Triuridaceae. Other monocots, particularly Poales have adopted a life form. Leaves The cotyledon, the primordial Angiosperm leaf consists of a proximal leaf base or hypophyll, in moncots the hypophyll tends to be the dominant part in contrast to other angiosperms. Mature monocot leaves are narrow and linear, forming a sheathing around the stem at its base. There is usually only one leaf per node because the leaf base encompasses more than half the circumference, the evolution of this monocot characteristic has been attributed to developmental differences in early zonal differentiation rather than meristem activity
5.
Commelinids
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In plant taxonomy, commelinids is a name used by the APG III system for a clade within the monocots, which in its turn is a clade within the angiosperms. The commelinids are the clade that the APG has informally named within the monocots. The remaining monocots are a paraphyletic unit, also known as the commelinid monocots it forms one of three groupings within the monocots, and the final branch, the other two groups being the alismatid monocots and the lilioid monocots. Members of the clade have cell walls containing UV-fluorescent ferulic acid. The commelinids were first recognized as a group in 1967 by Armen Takhtajan. However, by the release of his 1980 system of classification, the commelinids constitute a well-supported clade within the monocots, and this clade has been recognized in all four APG classification systems. The commelinids of APG II and APG III contain essentially the same plants as the commelinoids of the earlier APG system, in APG IV the family Dasypogonaceae is no longer directly placed under commelinids but instead a family of order Arecales. Media related to Commelinids at Wikimedia Commons
6.
Poales
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The Poales are a large order of flowering plants in the monocotyledons, and includes families of plants such as the grasses, bromeliads, and sedges. Sixteen plant families are recognized by botanists to be part of Poales. The flowers are small, enclosed by bracts, and arranged in inflorescences. The flowers of species are wind pollinated, the seeds usually contain starch. It did not include the Bromeliaceae and Mayaceae, but had the additional families Prioniaceae, Sparganiaceae, the morphology-based Cronquist system did not include an order named Poales, assigning these families to the orders Bromeliales, Cyperales, Hydatellales, Juncales, Restionales and Typhales. The earliest known fossils include pollen and fruits, major lineages within the Poales have been referred to as bromeliad, cyperid, xyrid, graminid, and restiid clades. A phylogenetic analysis resolved most relationships within the order but found support for the monophyly of the cyperid clade. The relationship between Centrolepidaceae and Restoniaceae within the clade remains unclear, the first may actually be embedded in the latter. Within the order, by far the most important family economically is the family of grasses, which includes barley, maize, millet, rice, many Bromeliaceae are used as ornamental plants. Bremer, K. Gondwanan Evolution of the Grass Alliance of Families, judd, W. S. C. S. Campbell, E. A. Kellogg, P. F. Stevens, M. J. Donoghue. Plant Systematics, A Phylogenetic Approach, 2nd edition, linder, H. Peter, Rudall, Paula J. Evolutionary History of the Poales. Annual Review of Ecology, Evolution, and Systematics, flora of the Southeastern United States,48
7.
Poaceae
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Poaceae or Gramineae is a large and nearly ubiquitous family of monocotyledonous flowering plants known as grasses. Poaceae includes the cereal grasses, bamboos and the grasses of natural grassland and cultivated lawns, Grasses have stems that are hollow except at the nodes and narrow alternate leaves borne in two ranks. The lower part of each leaf encloses the stem, forming a leaf-sheath, with ca 780 genera and around 12,000 species, Poaceae are the fifth-largest plant family, following the Asteraceae, Orchidaceae, Fabaceae and Rubiaceae. Grasslands such as savannah and prairie grasses are dominant are estimated to constitute 40. 5% of the land area of the Earth, excluding Greenland. Grasses are also an important part of the vegetation in many habitats, including wetlands, forests. Though commonly called grasses, seagrasses, rushes, and sedges fall outside this family, the rushes and sedges are related to the Poaceae, being members of the order Poales, but the seagrasses are members of order Alismatales. The name Poaceae was given by John Hendley Barnhart in 1895, based on the tribe Poeae described in 1814 by Robert Brown, the term is derived from the Ancient Greek πόα. Grasses include some of the most versatile plant life-forms, a cladogram shows subfamilies and approximate species numbers in brackets, Before 2005, fossil findings indicated that grasses evolved around 55 million years ago. Recent findings of grass-like phytoliths in Cretaceous dinosaur coprolites have pushed this back to 66 million years ago. In 2011, revised dating of the origins of the rice tribe Oryzeae suggested a date as early as 107 to 129 Mya, a multituberculate mammal with grass-eating adaptations seems to suggest that grasses were already around at 120 mya. This separation occurred within the short time span of about 4 million years. Grass leaves are always alternate and distichous, and have parallel veins. Each leaf is differentiated into a lower sheath hugging the stem, the leaf blades of many grasses are hardened with silica phytoliths, which discourage grazing animals, some, such as sword grass, are sharp enough to cut human skin. A membranous appendage or fringe of hairs called the ligule lies at the junction between sheath and blade, preventing water or insects from penetrating into the sheath, flowers of Poaceae are characteristically arranged in spikelets, each having one or more florets. The spikelets are further grouped into panicles or spikes, the part of the spikelet that bears the florets is called the rachilla. A spikelet consists of two bracts at the base, called glumes, followed by one or more florets, a floret consists of the flower surrounded by two bracts, one external—the lemma—and one internal—the palea. The flowers are usually hermaphroditic—maize being an important exception—and anemophilous or wind-pollinated, the perianth is reduced to two scales, called lodicules, that expand and contract to spread the lemma and palea, these are generally interpreted to be modified sepals. This complex structure can be seen in the image on the right, the fruit of grasses is a caryopsis, in which the seed coat is fused to the fruit wall
8.
Panicum
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Panicum is a large genus of about 450 species of grasses native throughout the tropical regions of the world, with a few species extending into the northern temperate zone. They are often large, annual or perennial grasses, growing to 1–3 m tall, the flowers are produced in a well-developed panicle often up to 60 cm in length with numerous seeds, which are 1–6 mm long and 1–2 mm broad. The fruits are developed from a two-flowered spikelet, only the upper floret of each spikelet is fertile, the lower floret is sterile or staminate. Both glumes are present and well developed, australia has 29 native and 9 introduced species of Panicum. Well-known Panicum species include proso millet and switchgrass, interactive Key to Panicum of North America
9.
Binomial nomenclature
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Such a name is called a binomial name, a binomen, binominal name or a scientific name, more informally it is also called a Latin name. The first part of the name identifies the genus to which the species belongs, for example, humans belong to the genus Homo and within this genus to the species Homo sapiens. The formal introduction of system of naming species is credited to Carl Linnaeus. But Gaspard Bauhin, in as early as 1623, had introduced in his book Pinax theatri botanici many names of genera that were adopted by Linnaeus. Although the general principles underlying binomial nomenclature are common to these two codes, there are differences, both in the terminology they use and in their precise rules. Similarly, both parts are italicized when a binomial name occurs in normal text, thus the binomial name of the annual phlox is now written as Phlox drummondii. In scientific works, the authority for a name is usually given, at least when it is first mentioned. In zoology Patella vulgata Linnaeus,1758, the original name given by Linnaeus was Fringilla domestica, the parentheses indicate that the species is now considered to belong in a different genus. The ICZN does not require that the name of the person who changed the genus be given, nor the date on which the change was made, in botany Amaranthus retroflexus L. – L. is the standard abbreviation used in botany for Linnaeus. – Linnaeus first named this bluebell species Scilla italica, Rothmaler transferred it to the genus Hyacinthoides, the ICN does not require that the dates of either publication be specified. Prior to the adoption of the binomial system of naming species. Together they formed a system of polynomial nomenclature and these names had two separate functions. First, to designate or label the species, and second, to be a diagnosis or description, such polynomial names may sometimes look like binomials, but are significantly different. For example, Gerards herbal describes various kinds of spiderwort, The first is called Phalangium ramosum, Branched Spiderwort, is aptly termed Phalangium Ephemerum Virginianum, Soon-Fading Spiderwort of Virginia. The Latin phrases are short descriptions, rather than identifying labels, the Bauhins, in particular Caspar Bauhin, took some important steps towards the binomial system, by pruning the Latin descriptions, in many cases to two words. The adoption by biologists of a system of binomial nomenclature is due to Swedish botanist and physician Carl von Linné. It was in his 1753 Species Plantarum that he first began using a one-word trivial name together with a generic name in a system of binomial nomenclature. This trivial name is what is now known as an epithet or specific name
10.
Carl Linnaeus
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Carl Linnaeus, also known after his ennoblement as Carl von Linné, was a Swedish botanist, physician, and zoologist, who formalised the modern system of naming organisms called binomial nomenclature. He is known by the father of modern taxonomy. Many of his writings were in Latin, and his name is rendered in Latin as Carolus Linnæus, Linnaeus was born in the countryside of Småland, in southern Sweden. He received most of his education at Uppsala University. He lived abroad between 1735 and 1738, where he studied and also published a first edition of his Systema Naturae in the Netherlands and he then returned to Sweden, where he became professor of medicine and botany at Uppsala. In the 1740s, he was sent on journeys through Sweden to find and classify plants. In the 1750s and 1760s, he continued to collect and classify animals, plants, and minerals, at the time of his death, he was one of the most acclaimed scientists in Europe. The philosopher Jean-Jacques Rousseau sent him the message, Tell him I know no man on earth. The German writer Johann Wolfgang von Goethe wrote, With the exception of Shakespeare and Spinoza, Swedish author August Strindberg wrote, Linnaeus was in reality a poet who happened to become a naturalist. Among other compliments, Linnaeus has been called Princeps botanicorum, The Pliny of the North and he is also considered as one of the founders of modern ecology. In botany, the abbreviation used to indicate Linnaeus as the authority for species names is L. In older publications, sometimes the abbreviation Linn. is found, Linnæus was born in the village of Råshult in Småland, Sweden, on 23 May 1707. He was the first child of Nicolaus Ingemarsson and Christina Brodersonia and his siblings were Anna Maria Linnæa, Sofia Juliana Linnæa, Samuel Linnæus, and Emerentia Linnæa. One of a line of peasants and priests, Nils was an amateur botanist, a Lutheran minister. Christina was the daughter of the rector of Stenbrohult, Samuel Brodersonius, a year after Linnæus birth, his grandfather Samuel Brodersonius died, and his father Nils became the rector of Stenbrohult. The family moved into the rectory from the curates house, even in his early years, Linnæus seemed to have a liking for plants, flowers in particular. Whenever he was upset, he was given a flower, which calmed him. Nils spent much time in his garden and often showed flowers to Linnaeus, soon Linnæus was given his own patch of earth where he could grow plants
11.
Synonym (taxonomy)
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For example, Linnaeus was the first to give a scientific name to the Norway spruce, which he called Pinus abies. This name is no longer in use, it is now a synonym of the current scientific name which is Picea abies, unlike synonyms in other contexts, in taxonomy a synonym is not interchangeable with the name of which it is a synonym. In taxonomy, synonyms are not equals, but have a different status, for any taxon with a particular circumscription, position, and rank, only one scientific name is considered to be the correct one at any given time. A synonym cannot exist in isolation, it is always an alternative to a different scientific name, given that the correct name of a taxon depends on the taxonomic viewpoint used a name that is one taxonomists synonym may be another taxonomists correct name. Synonyms may arise whenever the same taxon is described and named more than once, independently. They may also arise when existing taxa are changed, as when two taxa are joined to one, a species is moved to a different genus. To the general user of scientific names, in such as agriculture, horticulture, ecology, general science. A synonym is a name that was used as the correct scientific name but which has been displaced by another scientific name. Thus Oxford Dictionaries Online defines the term as a name which has the same application as another. In handbooks and general texts, it is useful to have mentioned as such after the current scientific name. Synonyms used in this way may not always meet the strict definitions of the synonym in the formal rules of nomenclature which govern scientific names. Changes of scientific name have two causes, they may be taxonomic or nomenclatural, a name change may be caused by changes in the circumscription, position or rank of a taxon, representing a change in taxonomic, scientific insight. A name change may be due to purely nomenclatural reasons, that is, based on the rules of nomenclature, the earliest such name is called the senior synonym, while the later name is the junior synonym. One basic principle of zoological nomenclature is that the earliest correctly published name, synonyms are important because if the earliest name cannot be used, then the next available junior synonym must be used for the taxon. Objective synonyms refer to taxa with the type and same rank. For example, John Edward Gray published the name Antilocapra anteflexa in 1855 for a species of pronghorn, however, it is now commonly accepted that his specimen was an unusual individual of the species Antilocapra americana published by George Ord in 1815. Ords name thus takes precedence, with Antilocapra anteflexa being a subjective synonym. Objective synonyms are common at the level of genera, because for various reasons two genera may contain the type species, these are objective synonyms
12.
Domestication
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Charles Darwin recognized the small number of traits that made domestic species different from their wild ancestors. There is a difference between domestic and wild populations. The dog was the first domesticated vertebrate, and was established across Eurasia before the end of the Late Pleistocene era, well before cultivation and before the domestication of other animals. Among birds, the domestic species today is the chicken, important for meat and eggs, though economically valuable poultry include the turkey, guineafowl. Birds are also kept as cagebirds, from songbirds to parrots. The longest established invertebrate domesticates are the bee and the silkworm. Terrestrial snails are raised for food, while species from several phyla are kept for research, the domestication of plants began at least 12,000 years ago with cereals in the Middle East, and the bottle gourd in Asia. Agriculture developed in at least 11 different centres around the world, domesticating different crops, Domestication means belonging to the house. Animals domesticated for home companionship are usually called pets, while those domesticated for food or work are called livestock or farm animals and this definition recognizes both the biological and the cultural components of the domestication process and the impacts on both humans and the domesticated animals and plants. All past definitions of domestication have included a relationship between humans with plants and animals, but their differences lay in who was considered as the partner in the relationship. This new definition recognizes a mutualistic relationship in both partners gain benefits. Domestication has vastly enhanced the reproductive output of crop plants, livestock, Domestication syndrome is the suite of phenotypic traits arising during domestication that distinguish crops from their wild ancestors. The domestication of animals is the relationship between animals with the humans who have influence on their care and reproduction. Charles Darwin recognized the small number of traits that made domestic species different from their wild ancestors, there is a genetic difference between domestic and wild populations. Domestication should not be confused with taming, the beginnings of animal domestication involved a protracted coevolutionary process with multiple stages along different pathways. The dog was the first domesticant, and was established across Eurasia before the end of the Late Pleistocene era, well before cultivation and before the domestication of other animals. Humans did not intend to domesticate animals from, or at least they did not envision a domesticated animal resulting from, in both of these cases, humans became entangled with these species as the relationship between them, and the human role in their survival and reproduction, intensified. Although the directed pathway proceeded from capture to taming, the two pathways are not as goal-oriented and archaeological records suggest that they take place over much longer time frames
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Transcaucasia
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Transcaucasia, or the South Caucasus, is a geopolitical region in the vicinity of the southern Caucasus Mountains on the border of Eastern Europe and Western Asia. Transcaucasia roughly corresponds to modern Georgia, Armenia, and Azerbaijan, Transcaucasia and Ciscaucasia together comprise the larger Caucasus geographical region that divides Eurasia. All of present-day Armenia is in Transcaucasia, the majority of present-day Georgia and Azerbaijan, including the exclave of Nakhchivan, parts of Iran and Turkey are also included within the region of Transcaucasia. Goods produced in the region include oil, manganese ore, tea, citrus fruits and it remains one of the most politically tense regions in the post-Soviet area, and contains three heavily disputed areas, Abkhazia, South Ossetia, and Nagorno-Karabakh. Between 1878 and 1917 the Russian controlled province of Kars Oblast was also incorporated into the Transcaucasus, Transcaucasia is a Latin rendering of the Russian-language word zakavkazie, meaning the area beyond the Caucasus Mountains. This implies a Russian vantage point, and is analogous to similar terms such as Transnistria and Transleithania, other forms of this word include Trans-Caucasus and Transcaucasus. The region is referred to as Southern Caucasia and the South Caucasus. Located on the peripheries of Turkey, Iran and Russia, the region has been an arena for political, military, religious, throughout history, Transcaucasia was usually under the direct rule of the various in-Iran based empires and part of the Iranian world. In the course of the 19th century, Qajar Iran had to cede the region as a result of the two Russo-Persian Wars of that century to Imperial Russia. Ancient kingdoms of the region included Armenia, Albania and Iberia, later, the Orthodox Christian Kingdom of Georgia dominated most of Transcaucasia. The region was conquered by the Seljuk, Mongol, Turkic, Safavid, Ottoman, Afsharid. The 1826-1828 conquerings were confirmed in the 1828 Treaty of Turkmenchay, in 1801, what is now Georgia was formally incorporated into the Russian Empire. After 1828-1829 war, Ottomans ceded Western Georgia except Adjaria, which was known as Sanjak of Batum, finally after Russo-Turkish War, Russians completed conquest of Transcaucasus. In 1844, Georgia, Armenia and Azerbaijan were combined into a single czarist government-general, Transcaucasia, in particular where modern-day Turkey, Georgia, Armenia and Iran are located, is one of the native areas of the wine-producing vine Vitis vinifera. Some experts speculate that Transcaucasia may be the birthplace of wine production, archaeological excavations and carbon dating of grape seeds from the area have dated back to 7000–5000 BC. Wine found in Iran has been dated to c. 7400 BC and c. 5000 BC, the earliest winery, dated to c. 4000 BC, was found in Armenia
14.
China
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China, officially the Peoples Republic of China, is a unitary sovereign state in East Asia and the worlds most populous country, with a population of over 1.381 billion. The state is governed by the Communist Party of China and its capital is Beijing, the countrys major urban areas include Shanghai, Guangzhou, Beijing, Chongqing, Shenzhen, Tianjin and Hong Kong. China is a power and a major regional power within Asia. Chinas landscape is vast and diverse, ranging from forest steppes, the Himalaya, Karakoram, Pamir and Tian Shan mountain ranges separate China from much of South and Central Asia. The Yangtze and Yellow Rivers, the third and sixth longest in the world, respectively, Chinas coastline along the Pacific Ocean is 14,500 kilometers long and is bounded by the Bohai, Yellow, East China and South China seas. China emerged as one of the worlds earliest civilizations in the basin of the Yellow River in the North China Plain. For millennia, Chinas political system was based on hereditary monarchies known as dynasties, in 1912, the Republic of China replaced the last dynasty and ruled the Chinese mainland until 1949, when it was defeated by the communist Peoples Liberation Army in the Chinese Civil War. The Communist Party established the Peoples Republic of China in Beijing on 1 October 1949, both the ROC and PRC continue to claim to be the legitimate government of all China, though the latter has more recognition in the world and controls more territory. China had the largest economy in the world for much of the last two years, during which it has seen cycles of prosperity and decline. Since the introduction of reforms in 1978, China has become one of the worlds fastest-growing major economies. As of 2016, it is the worlds second-largest economy by nominal GDP, China is also the worlds largest exporter and second-largest importer of goods. China is a nuclear weapons state and has the worlds largest standing army. The PRC is a member of the United Nations, as it replaced the ROC as a permanent member of the U. N. Security Council in 1971. China is also a member of numerous formal and informal multilateral organizations, including the WTO, APEC, BRICS, the Shanghai Cooperation Organization, the BCIM, the English name China is first attested in Richard Edens 1555 translation of the 1516 journal of the Portuguese explorer Duarte Barbosa. The demonym, that is, the name for the people, Portuguese China is thought to derive from Persian Chīn, and perhaps ultimately from Sanskrit Cīna. Cīna was first used in early Hindu scripture, including the Mahābhārata, there are, however, other suggestions for the derivation of China. The official name of the state is the Peoples Republic of China. The shorter form is China Zhōngguó, from zhōng and guó and it was then applied to the area around Luoyi during the Eastern Zhou and then to Chinas Central Plain before being used as an occasional synonym for the state under the Qing
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India
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India, officially the Republic of India, is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and it is bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast. It shares land borders with Pakistan to the west, China, Nepal, and Bhutan to the northeast, in the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives. Indias Andaman and Nicobar Islands share a border with Thailand. The Indian subcontinent was home to the urban Indus Valley Civilisation of the 3rd millennium BCE, in the following millennium, the oldest scriptures associated with Hinduism began to be composed. Social stratification, based on caste, emerged in the first millennium BCE, early political consolidations took place under the Maurya and Gupta empires, the later peninsular Middle Kingdoms influenced cultures as far as southeast Asia. In the medieval era, Judaism, Zoroastrianism, Christianity, and Islam arrived, much of the north fell to the Delhi sultanate, the south was united under the Vijayanagara Empire. The economy expanded in the 17th century in the Mughal empire, in the mid-18th century, the subcontinent came under British East India Company rule, and in the mid-19th under British crown rule. A nationalist movement emerged in the late 19th century, which later, under Mahatma Gandhi, was noted for nonviolent resistance, in 2015, the Indian economy was the worlds seventh largest by nominal GDP and third largest by purchasing power parity. Following market-based economic reforms in 1991, India became one of the major economies and is considered a newly industrialised country. However, it continues to face the challenges of poverty, corruption, malnutrition, a nuclear weapons state and regional power, it has the third largest standing army in the world and ranks sixth in military expenditure among nations. India is a constitutional republic governed under a parliamentary system. It is a pluralistic, multilingual and multi-ethnic society and is home to a diversity of wildlife in a variety of protected habitats. The name India is derived from Indus, which originates from the Old Persian word Hindu, the latter term stems from the Sanskrit word Sindhu, which was the historical local appellation for the Indus River. The ancient Greeks referred to the Indians as Indoi, which translates as The people of the Indus, the geographical term Bharat, which is recognised by the Constitution of India as an official name for the country, is used by many Indian languages in its variations. Scholars believe it to be named after the Vedic tribe of Bharatas in the second millennium B. C. E and it is also traditionally associated with the rule of the legendary emperor Bharata. Gaṇarājya is the Sanskrit/Hindi term for republic dating back to the ancient times, hindustan is a Persian name for India dating back to the 3rd century B. C. E. It was introduced into India by the Mughals and widely used since then and its meaning varied, referring to a region that encompassed northern India and Pakistan or India in its entirety
16.
Nepal
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Nepal, officially the Federal Democratic Republic of Nepal, is a landlocked central Himalayan country in South Asia. Nepal is divided into 7 provinces and 75 districts and 744 local units including 4 metropolises,13 sub-metropolises,246 municipal councils and 481 village and it has a population of 26.4 million and is the 93rd largest country by area. Bordering China in the north and India in the south, east, Nepal does not border Bangladesh, which is located within only 27 km of its southeastern tip. It neither borders Bhutan due to the Indian state of Sikkim being located in between, Nepal has a diverse geography, including fertile plains, subalpine forested hills, and eight of the worlds ten tallest mountains, including Mount Everest, the highest point on Earth. Kathmandu is the capital and largest city. It is a nation with Nepali as the official language. The territory of Nepal has a history since the Neolithic age. The name Nepal is first recorded in texts from the Vedic Age, the era which founded Hinduism, in the middle of the first millennium BCE, Gautama Buddha, the founder of Buddhism, was born in southern Nepal. Parts of northern Nepal were intertwined with the culture of Tibet, the Kathmandu Valley in central Nepal became known as Nepal proper because of its complex urban civilization. It was the seat of the prosperous Newar confederacy known as Nepal Mandala, the Himalayan branch of the ancient Silk Road was dominated by the valleys traders. The cosmopolitan region developed distinct traditional art and architecture, by the 18th century, the Gorkha Kingdom achieved the unification of Nepal. The Shah dynasty established the Kingdom of Nepal and later formed an alliance with the British Empire, the country was never colonized but served as a buffer state between Imperial China and Colonial India. In the 20th century, Nepal ended its isolation and forged ties with regional powers. Parliamentary democracy was introduced in 1951, but was suspended by Nepalese monarchs in 1960 and 2005. The Nepalese Civil War resulted in the proclamation of a republic in 2008, modern Nepal is a federal secular parliamentary republic. Nepal is a nation, ranking 144th on the Human Development Index in 2016. The country struggles with the transition from a monarchy to a republic and it also suffers from high levels of hunger and poverty. Despite these challenges, Nepal is making progress, with the government declaring its commitment to elevate the nation from least developed country status by 2022
17.
Russia
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Russia, also officially the Russian Federation, is a country in Eurasia. The European western part of the country is more populated and urbanised than the eastern. Russias capital Moscow is one of the largest cities in the world, other urban centers include Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod. Extending across the entirety of Northern Asia and much of Eastern Europe, Russia spans eleven time zones and incorporates a range of environments. It shares maritime borders with Japan by the Sea of Okhotsk, the East Slavs emerged as a recognizable group in Europe between the 3rd and 8th centuries AD. Founded and ruled by a Varangian warrior elite and their descendants, in 988 it adopted Orthodox Christianity from the Byzantine Empire, beginning the synthesis of Byzantine and Slavic cultures that defined Russian culture for the next millennium. Rus ultimately disintegrated into a number of states, most of the Rus lands were overrun by the Mongol invasion. The Soviet Union played a role in the Allied victory in World War II. The Soviet era saw some of the most significant technological achievements of the 20th century, including the worlds first human-made satellite and the launching of the first humans in space. By the end of 1990, the Soviet Union had the second largest economy, largest standing military in the world. It is governed as a federal semi-presidential republic, the Russian economy ranks as the twelfth largest by nominal GDP and sixth largest by purchasing power parity in 2015. Russias extensive mineral and energy resources are the largest such reserves in the world, making it one of the producers of oil. The country is one of the five recognized nuclear weapons states and possesses the largest stockpile of weapons of mass destruction, Russia is a great power as well as a regional power and has been characterised as a potential superpower. The name Russia is derived from Rus, a state populated mostly by the East Slavs. However, this name became more prominent in the later history, and the country typically was called by its inhabitants Русская Земля. In order to distinguish this state from other states derived from it, it is denoted as Kievan Rus by modern historiography, an old Latin version of the name Rus was Ruthenia, mostly applied to the western and southern regions of Rus that were adjacent to Catholic Europe. The current name of the country, Россия, comes from the Byzantine Greek designation of the Kievan Rus, the standard way to refer to citizens of Russia is Russians in English and rossiyane in Russian. There are two Russian words which are translated into English as Russians
18.
Ukraine
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Ukraine is currently in territorial dispute with Russia over the Crimean Peninsula which Russia annexed in 2014 but which Ukraine and most of the international community recognise as Ukrainian. Including Crimea, Ukraine has an area of 603,628 km2, making it the largest country entirely within Europe and it has a population of about 42.5 million, making it the 32nd most populous country in the world. The territory of modern Ukraine has been inhabited since 32,000 BC, during the Middle Ages, the area was a key centre of East Slavic culture, with the powerful state of Kievan Rus forming the basis of Ukrainian identity. Following its fragmentation in the 13th century, the territory was contested, ruled and divided by a variety of powers, including Lithuania, Poland, the Ottoman Empire, Austria-Hungary, and Russia. A Cossack republic emerged and prospered during the 17th and 18th centuries, two brief periods of independence occurred during the 20th century, once near the end of World War I and another during World War II. Before its independence, Ukraine was typically referred to in English as The Ukraine, following independence, Ukraine declared itself a neutral state. Nonetheless it formed a limited partnership with the Russian Federation and other CIS countries. In the 2000s, the government began leaning towards NATO, and it was later agreed that the question of joining NATO should be answered by a national referendum at some point in the future. Former President Viktor Yanukovych considered the current level of co-operation between Ukraine and NATO sufficient, and was against Ukraine joining NATO and these events formed the background for the annexation of Crimea by Russia in March 2014, and the War in Donbass in April 2014. On 1 January 2016, Ukraine applied the economic part of the Deep, Ukraine has long been a global breadbasket because of its extensive, fertile farmlands and is one of the worlds largest grain exporters. The diversified economy of Ukraine includes a heavy industry sector, particularly in aerospace. Ukraine is a republic under a semi-presidential system with separate powers, legislative, executive. Its capital and largest city is Kiev, taking into account reserves and paramilitary personnel, Ukraine maintains the second-largest military in Europe after that of Russia. Ukrainian is the language and its alphabet is Cyrillic. The dominant religion in the country is Eastern Orthodoxy, which has strongly influenced Ukrainian architecture, literature, there are different hypotheses as to the etymology of the name Ukraine. According to the older and most widespread hypothesis, it means borderland, while more recently some studies claim a different meaning, homeland or region. The Ukraine now implies disregard for the sovereignty, according to U. S. ambassador William Taylor. Neanderthal settlement in Ukraine is seen in the Molodova archaeological sites include a mammoth bone dwelling
19.
Belarus
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Its capital and most populous city is Minsk. Over 40% of its 207,600 square kilometres is forested and its strongest economic sectors are service industries and manufacturing. In the aftermath of the 1917 Russian Revolution, Belarus declared independence as the Belarusian Peoples Republic, the Socialist Soviet Republic of Byelorussia became a founding constituent republic of the Soviet Union in 1922 and was renamed as the Byelorussian Soviet Socialist Republic. Belarus lost almost half of its territory to Poland after the Polish–Soviet War of 1919–1921, during WWII, military operations devastated Belarus, which lost about a third of its population and more than half of its economic resources. The republic was redeveloped in the post-war years, in 1945 the Byelorussian SSR became a founding member of the United Nations, along with the Soviet Union and the Ukrainian SSR. The parliament of the declared the sovereignty of Belarus on 27 July 1990. Alexander Lukashenko has served as the president since 1994. Belarus has been labeled Europes last dictatorship by some Western journalists, Lukashenko continued a number of Soviet-era policies, such as state ownership of large sections of the economy. Though not directly espousing communism like the five remaining communist countries of China, Cuba, Laos, Vietnam and North Korea, in 2000 Belarus and Russia signed a treaty for greater cooperation, with some hints of forming a Union State. Over 70% of Belaruss population of 9.49 million resides in urban areas, more than 80% of the population is ethnic Belarusian, with sizable minorities of Russians, Poles and Ukrainians. Since a referendum in 1995, the country has had two official languages, Belarusian and Russian, the Constitution of Belarus does not declare any official religion, although the primary religion in the country is Eastern Orthodox Christianity. Belarus is the only European country to retain capital punishment in both law and practice, the name Belarus is closely related with the term Belaya Rus, i. e. White Rus. There are several claims to the origin of the name White Rus, an alternate explanation for the name comments on the white clothing worn by the local Slavic population. A third theory suggests that the old Rus lands that were not conquered by the Tatars had been referred to as white, other sources claim that, before 1267, the land not conquered by the Mongols was considered White Rus. The name Rus is often conflated with its Latin forms Russia and Ruthenia, in some languages, including German and Dutch, the country is generally called White Russia to this day. The Latin term Alba Russia was used again by Pope Pius VI in 1783 to recognize the Society of Jesus there, exclaiming Approbo Societatem Jesu in Alba Russia degentem, approbo, approbo. The first known use of White Russia to refer to Belarus was in the century by Englishman Sir Jerome Horsey. During the 17th century, the Russian tsars used White Rus to describe the lands added from the Grand Duchy of Lithuania
20.
Middle East
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The Middle East is a transcontinental region centered on Western Asia and Egypt. The corresponding adjective is Middle-Eastern and the noun is Middle-Easterner. The term has come into usage as a replacement of the term Near East beginning in the early 20th century. Arabs, Turks, Persians, Kurds, and Azeris constitute the largest ethnic groups in the region by population. Indigenous minorities of the Middle East include Jews, Assyrians and other Arameans, Baloch, Berbers, Copts, Druze, Lurs, Mandaeans, Samaritans, Shabaks, Tats, in the Middle East, there is also a Romani community. European ethnic groups form a diaspora in the region include Albanians, Bosniaks, Circassians, Crimean Tatars, Franco-Levantines. Among other migrant populations are Bengalis as well as other Indians, Chinese, Filipinos, Indonesians, Pakistanis, the history of the Middle East dates back to ancient times, with the importance of the region being recognized for millennia. Most of the countries border the Persian Gulf have vast reserves of crude oil. The term Middle East may have originated in the 1850s in the British India Office, however, it became more widely known when American naval strategist Alfred Thayer Mahan used the term in 1902 to designate the area between Arabia and India. During this time the British and Russian Empires were vying for influence in Central Asia, Mahan realized not only the strategic importance of the region, but also of its center, the Persian Gulf. Mahan first used the term in his article The Persian Gulf and International Relations, published in September 1902 in the National Review, a British journal. The Middle East, if I may adopt a term which I have not seen, will some day need its Malta, as well as its Gibraltar, it does not follow that either will be in the Persian Gulf. The British Navy should have the facility to concentrate in force if occasion arise, about Aden, India, mahans article was reprinted in The Times and followed in October by a 20-article series entitled The Middle Eastern Question, written by Sir Ignatius Valentine Chirol. During this series, Sir Ignatius expanded the definition of Middle East to include regions of Asia which extend to the borders of India or command the approaches to India. After the series ended in 1903, The Times removed quotation marks from subsequent uses of the term, in the late 1930s, the British established the Middle East Command, which was based in Cairo, for its military forces in the region. After that time, the term Middle East gained broader usage in Europe, the description Middle has also led to some confusion over changing definitions. Before the First World War, Near East was used in English to refer to the Balkans and the Ottoman Empire, while Middle East referred to Iran, the Caucasus, Afghanistan, Central Asia, and Turkestan. The first official use of the term Middle East by the United States government was in the 1957 Eisenhower Doctrine, the Associated Press Stylebook says that Near East formerly referred to the farther west countries while Middle East referred to the eastern ones, but that now they are synonymous
21.
Turkey
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Turkey, officially the Republic of Turkey, is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe. Turkey is a democratic, secular, unitary, parliamentary republic with a cultural heritage. The country is encircled by seas on three sides, the Aegean Sea is to the west, the Black Sea to the north, and the Mediterranean Sea to the south. The Bosphorus, the Sea of Marmara, and the Dardanelles, Ankara is the capital while Istanbul is the countrys largest city and main cultural and commercial centre. Approximately 70-80% of the countrys citizens identify themselves as ethnic Turks, other ethnic groups include legally recognised and unrecognised minorities. Kurds are the largest ethnic minority group, making up approximately 20% of the population, the area of Turkey has been inhabited since the Paleolithic by various ancient Anatolian civilisations, as well as Assyrians, Greeks, Thracians, Phrygians, Urartians and Armenians. After Alexander the Greats conquest, the area was Hellenized, a process continued under the Roman Empire. The Seljuk Sultanate of Rûm ruled Anatolia until the Mongol invasion in 1243, the empire reached the peak of its power in the 16th century, especially during the reign of Suleiman the Magnificent. During the war, the Ottoman government committed genocides against its Armenian, Assyrian, following the war, the conglomeration of territories and peoples that formerly comprised the Ottoman Empire was partitioned into several new states. Turkey is a member of the UN, an early member of NATO. Turkeys growing economy and diplomatic initiatives have led to its recognition as a regional power while her location has given it geopolitical, the name of Turkey is based on the ethnonym Türk. The first recorded use of the term Türk or Türük as an autonym is contained in the Old Turkic inscriptions of the Göktürks of Central Asia, the English name Turkey first appeared in the late 14th century and is derived from Medieval Latin Turchia. Similarly, the medieval Khazar Empire, a Turkic state on the shores of the Black. The medieval Arabs referred to the Mamluk Sultanate as al-Dawla al-Turkiyya, the Ottoman Empire was sometimes referred to as Turkey or the Turkish Empire among its European contemporaries. The Anatolian peninsula, comprising most of modern Turkey, is one of the oldest permanently settled regions in the world, various ancient Anatolian populations have lived in Anatolia, from at least the Neolithic period until the Hellenistic period. Many of these peoples spoke the Anatolian languages, a branch of the larger Indo-European language family, in fact, given the antiquity of the Indo-European Hittite and Luwian languages, some scholars have proposed Anatolia as the hypothetical centre from which the Indo-European languages radiated. The European part of Turkey, called Eastern Thrace, has also been inhabited since at least forty years ago. It is the largest and best-preserved Neolithic site found to date, the settlement of Troy started in the Neolithic Age and continued into the Iron Age
22.
Romania
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Romania is a sovereign state located in Southeastern Europe. It borders the Black Sea, Bulgaria, Ukraine, Hungary, Serbia and it has an area of 238,391 square kilometres and a temperate-continental climate. With over 19 million inhabitants, the country is the member state of the European Union. Its capital and largest city, Bucharest, is the sixth-largest city in the EU, the River Danube, Europes second-longest river, rises in Germany and flows in a general southeast direction for 2,857 km, coursing through ten countries before emptying into Romanias Danube Delta. The Carpathian Mountains, which cross Romania from the north to the southwest are marked by one of their tallest peaks, Moldoveanu, modern Romania was formed in 1859 through a personal union of the Danubian Principalities of Moldavia and Wallachia. The new state, officially named Romania since 1866, gained independence from the Ottoman Empire in 1877, at the end of World War I, Transylvania, Bukovina and Bessarabia united with the sovereign Kingdom of Romania. Romania lost several territories, of which Northern Transylvania was regained after the war, following the war, Romania became a socialist republic and member of the Warsaw Pact. After the 1989 Revolution, Romania began a transition back towards democracy and it has been a member of NATO since 2004, and part of the European Union since 2007. A strong majority of the population identify themselves as Eastern Orthodox Christians and are speakers of Romanian. The cultural history of Romania is often referred to when dealing with artists, musicians, inventors. For similar reasons, Romania has been the subject of notable tourist attractions, Romania derives from the Latin romanus, meaning citizen of Rome. The first known use of the appellation was attested in the 16th century by Italian humanists travelling in Transylvania, Moldavia, after the abolition of serfdom in 1746, the word rumân gradually fell out of use and the spelling stabilised to the form român. Tudor Vladimirescu, a leader of the early 19th century. The use of the name Romania to refer to the homeland of all Romanians—its modern-day meaning—was first documented in the early 19th century. The name has been officially in use since 11 December 1861, in English, the name of the country was formerly spelt Rumania or Roumania. Romania became the predominant spelling around 1975, Romania is also the official English-language spelling used by the Romanian government. The Neolithic-Age Cucuteni area in northeastern Romania was the region of the earliest European civilization. Evidence from this and other sites indicates that the Cucuteni-Trypillian culture extracted salt from salt-laden spring water through the process of briquetage
23.
United States
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Forty-eight of the fifty states and the federal district are contiguous and located in North America between Canada and Mexico. The state of Alaska is in the northwest corner of North America, bordered by Canada to the east, the state of Hawaii is an archipelago in the mid-Pacific Ocean. The U. S. territories are scattered about the Pacific Ocean, the geography, climate and wildlife of the country are extremely diverse. At 3.8 million square miles and with over 324 million people, the United States is the worlds third- or fourth-largest country by area, third-largest by land area. It is one of the worlds most ethnically diverse and multicultural nations, paleo-Indians migrated from Asia to the North American mainland at least 15,000 years ago. European colonization began in the 16th century, the United States emerged from 13 British colonies along the East Coast. Numerous disputes between Great Britain and the following the Seven Years War led to the American Revolution. On July 4,1776, during the course of the American Revolutionary War, the war ended in 1783 with recognition of the independence of the United States by Great Britain, representing the first successful war of independence against a European power. The current constitution was adopted in 1788, after the Articles of Confederation, the first ten amendments, collectively named the Bill of Rights, were ratified in 1791 and designed to guarantee many fundamental civil liberties. During the second half of the 19th century, the American Civil War led to the end of slavery in the country. By the end of century, the United States extended into the Pacific Ocean. The Spanish–American War and World War I confirmed the status as a global military power. The end of the Cold War and the dissolution of the Soviet Union in 1991 left the United States as the sole superpower. The U. S. is a member of the United Nations, World Bank, International Monetary Fund, Organization of American States. The United States is a developed country, with the worlds largest economy by nominal GDP. It ranks highly in several measures of performance, including average wage, human development, per capita GDP. While the U. S. economy is considered post-industrial, characterized by the dominance of services and knowledge economy, the United States is a prominent political and cultural force internationally, and a leader in scientific research and technological innovations. In 1507, the German cartographer Martin Waldseemüller produced a map on which he named the lands of the Western Hemisphere America after the Italian explorer and cartographer Amerigo Vespucci
24.
Gluten
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Gluten is a composite of storage proteins termed prolamins and glutelins found in wheat and related grains, including barley, rye, oat, and all their species and hybrids. Gluten is appreciated for its viscoelastic properties and it gives elasticity to dough, helping it rise and keep its shape and often gives the final product a chewy texture. Gluten is conjoined with starch in the endosperm of various grassrelated grains, Wheat prolamins are called gliadins, barley prolamins are hordeins, rye prolamins are secalins and oats prolamins are avenins, which are collectively named gluten. Oat avenin toxicity in people with gluten-related disorders depends on the oat cultivar consumed because the immunoreactivities of toxic prolamins are different among oat varieties, also, many oat products are cross-contaminated with other gluten-containing cereals. The fruit of most flowering plants have endosperms with stored protein to nourish embryonic plants during germination, true gluten is limited to the grains listed above. The stored proteins of maize and rice are sometimes called glutens, gluten is a protein complex that accounts for 75 to 85% of the total protein in bread wheat. Gluten is prepared from flour by kneading the flour under water, agglomerating the gluten into a network, a dough. Starch granules disperse in water, and the dispersed starch is sedimented and dried. If a saline solution is used instead of water, a protein is obtained. Where starch is the product, cold water is the favored solvent because the impurities depart from the gluten. In home or restaurant cooking, a ball of flour dough is kneaded under water until the starch disperses out. In industrial production, a slurry of wheat flour is kneaded vigorously by machinery until the gluten agglomerates into a mass and this mass is collected by centrifugation, then transported through several stages integrated in a continuous process. The process yields a powder with a 7% moisture content. In the final step, the gluten is sifted and milled to produce a uniform product. Gluten forms when glutenin molecules cross-link to form a network attached to gliadin. If this dough is leavened with yeast, fermentation produces carbon dioxide bubbles, baking coagulates the gluten, which, along with starch, stabilizes the shape of the final product. Gluten content has been implicated as a factor in the staling of bread, the development of gluten affects the texture of the baked goods. More refining leads to products such as pizza and bagels
25.
Gluten-free diet
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A gluten-free diet is a diet that strictly excludes gluten, a mixture of proteins found in wheat and related grains, including barley, rye, oat, and all their species and hybrids. The inclusion of oats in a gluten-free diet remains controversial, oat toxicity in people with gluten-related disorders depends on the oat cultivar consumed because the immunoreactivities of toxic prolamins are different among oat varieties. Furthermore, oats are frequently cross-contaminated with other gluten-containing cereals, gluten causes health problems for those with gluten-related disorders, including celiac disease, non-celiac gluten sensitivity, gluten ataxia, dermatitis herpetiformis and wheat allergy. This is mainly caused by inadvertent ingestion of gluten, people with poor basic education and understanding of gluten-free diet often believe that they are strictly following the diet, but are making regular errors. Gluten-free diets have also promoted as an alternative treatment of people with autism. Gluten proteins have low nutritional and biological value, and the grains that contain gluten are not essential in the human diet, however, an unbalanced selection of food and an incorrect choice of gluten-free replacement products may lead to nutritional deficiencies. Replacing flour from wheat or other gluten-containing cereals with gluten-free flours in commercial products may lead to an intake of important nutrients, such as iron. Some gluten-free commercial replacement products are not enriched or fortified as their gluten-containing counterparts, children especially often over-consume these products, such as snacks and biscuits. Nutritional complications can be prevented by a correct dietary education, if commercially prepared, gluten-free replacement products are used, choosing those that are enriched or fortified with vitamins and minerals is preferable. Pseudocereals and some minor cereals are healthy alternatives to these products and have high biological and nutritional value. Added difficulties for diagnosis are the fact that serological markers are not always present and many patients may have minor mucosal lesions, patients may suffer severe disease symptoms and be subjected to extensive investigations for many years, before a proper diagnosis is achieved. Untreated CD may cause malabsorption, reduced quality of life, iron deficiency, osteoporosis, obstetric complications, CD with “non-classic symptoms” is the most common clinical found type and occurs in older children, adolescents and adults. Following a lifelong gluten-free diet is the only medically-accepted treatment for people with coeliac disease, non-coeliac gluten sensitivity is described as a condition of multiple symptoms that improves when switching to a gluten-free diet, after coeliac disease and wheat allergy are excluded. Patients may develop symptoms, which resemble those of irritable bowel syndrome or a variety of nongastrointestinal symptoms. Gastrointestinal symptoms may include any of the following, abdominal pain, bloating, bowel habit abnormalities, nausea, aerophagia, gastroesophageal reflux disease, and aphthous stomatitis. A range of symptoms, said to be the only manifestation of NCGS in the absence of gastrointestinal symptoms, have been suggested. Above 20% of people with NCGS have IgE-mediated allergy to one or more inhalants, foods or metals, among which most common are mites, graminaceae, parietaria, cat or dog hair, shellfish, approximately, 35% of patients suffer other food intolerances, mainly lactose intolerance. The pathogenesis of NCGS is not yet well understood and it was hypothesized that gluten, like occurs in coeliac disease, is the cause of NCGS
26.
Wheat
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Wheat is a cereal grain, originally from the Levant region but now cultivated worldwide. In 2016, world production of wheat was 749 million tonnes, making it the second most-produced cereal after maize, since 1960, world production of wheat and other grain crops has tripled and is expected to grow further through the middle of the 21st Century. This grain is grown on land area than any other commercial food. World trade in wheat is greater than for all other crops combined, globally, wheat is the leading source of vegetal protein in human food, having a protein content of about 13%, which is relatively high compared to other major cereals and staple foods. The archaeological record suggests that wheat was first cultivated in the regions of the Fertile Crescent around 9600 BCE. In a small part of the population, gluten – the major part of wheat protein – can trigger coeliac disease, non-coeliac gluten sensitivity, gluten ataxia. Cultivation and repeated harvesting and sowing of the grains of wild grasses led to the creation of domestic strains, in domesticated wheat, grains are larger, and the seeds remain attached to the ear by a toughened rachis during harvesting. In wild strains, a more fragile rachis allows the ear to easily shatter, as the traits that improve wheat as a food source also involve the loss of the plants natural seed dispersal mechanisms, highly domesticated strains of wheat cannot survive in the wild. Cultivation of wheat began to spread beyond the Fertile Crescent after about 8000 BCE, jared Diamond traces the spread of cultivated emmer wheat starting in the Fertile Crescent sometime before 8800 BCE. Archaeological analysis of wild emmer indicates that it was first cultivated in the southern Levant with finds dating back as far as 9600 BCE, Genetic analysis of wild einkorn wheat suggests that it was first grown in the Karacadag Mountains in southeastern Turkey. Dated archeological remains of wheat in settlement sites near this region, including those at Abu Hureyra in Syria. With the anomalous exception of two grains from Iraq ed-Dubb, the earliest carbon-14 date for einkorn wheat remains at Abu Hureyra is 7800 to 7500 years BCE. Remains of harvested emmer from several sites near the Karacadag Range have been dated to between 8600 and 8400 BCE, that is, in the Neolithic period and these remains were dated by Willem van Zeist and his assistant Johanna Bakker-Heeres to 8800 BCE. They also concluded that the settlers of Tell Aswad did not develop this form of emmer themselves, the cultivation of emmer reached Greece, Cyprus and India by 6500 BCE, Egypt shortly after 6000 BCE, and Germany and Spain by 5000 BCE. The early Egyptians were developers of bread and the use of the oven, by 3000 BCE, wheat had reached the British Isles and Scandinavia. A millennium later it reached China, the oldest evidence for hexaploid wheat has been confirmed through DNA analysis of wheat seeds, dating to around 6400-6200 BCE, recovered from Çatalhöyük. The first identifiable bread wheat with sufficient gluten for yeasted breads has been identified using DNA analysis in samples from a dating to approximately 1350 BCE at Assiros in Macedonia. From Asia, wheat continued to spread throughout Europe, in the British Isles, wheat straw was used for roofing in the Bronze Age, and was in common use until the late 19th century
27.
Russian language
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Russian is an East Slavic language and an official language in Russia, Belarus, Kazakhstan, Kyrgyzstan and many minor or unrecognised territories. Russian belongs to the family of Indo-European languages and is one of the four living members of the East Slavic languages, written examples of Old East Slavonic are attested from the 10th century and beyond. It is the most geographically widespread language of Eurasia and the most widely spoken of the Slavic languages and it is also the largest native language in Europe, with 144 million native speakers in Russia, Ukraine and Belarus. Russian is the eighth most spoken language in the world by number of native speakers, the language is one of the six official languages of the United Nations. Russian is also the second most widespread language on the Internet after English, Russian distinguishes between consonant phonemes with palatal secondary articulation and those without, the so-called soft and hard sounds. This distinction is found between pairs of almost all consonants and is one of the most distinguishing features of the language, another important aspect is the reduction of unstressed vowels. Russian is a Slavic language of the Indo-European family and it is a lineal descendant of the language used in Kievan Rus. From the point of view of the language, its closest relatives are Ukrainian, Belarusian, and Rusyn. An East Slavic Old Novgorod dialect, although vanished during the 15th or 16th century, is considered to have played a significant role in the formation of modern Russian. In the 19th century, the language was often called Great Russian to distinguish it from Belarusian, then called White Russian and Ukrainian, however, the East Slavic forms have tended to be used exclusively in the various dialects that are experiencing a rapid decline. In some cases, both the East Slavic and the Church Slavonic forms are in use, with different meanings. For details, see Russian phonology and History of the Russian language and it is also regarded by the United States Intelligence Community as a hard target language, due to both its difficulty to master for English speakers and its critical role in American world policy. The standard form of Russian is generally regarded as the modern Russian literary language, mikhail Lomonosov first compiled a normalizing grammar book in 1755, in 1783 the Russian Academys first explanatory Russian dictionary appeared. By the mid-20th century, such dialects were forced out with the introduction of the education system that was established by the Soviet government. Despite the formalization of Standard Russian, some nonstandard dialectal features are observed in colloquial speech. Thus, the Russian language is the 6th largest in the world by number of speakers, after English, Mandarin, Hindi/Urdu, Spanish, Russian is one of the six official languages of the United Nations. Education in Russian is still a choice for both Russian as a second language and native speakers in Russia as well as many of the former Soviet republics. Russian is still seen as an important language for children to learn in most of the former Soviet republics, samuel P. Huntington wrote in the Clash of Civilizations, During the heyday of the Soviet Union, Russian was the lingua franca from Prague to Hanoi
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Ukrainian language
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Ukrainian /juːˈkreɪniən/ is an East Slavic language. Written Ukrainian uses a variant of the Cyrillic script, historical linguists trace the origin of the Ukrainian language to the Old East Slavic of the early medieval state of Kievan Rus. After the fall of the Kievan Rus as well as the Kingdom of Galicia–Volhynia, the Modern Ukrainian language has been in common use since the late 17th century, associated with the establishment of the Cossack Hetmanate. From 1804 until the Russian Revolution, the Ukrainian language was banned from schools in the Russian Empire and it has always maintained a sufficient base in Western Ukraine, where the language was never banned, in its folklore songs, itinerant musicians, and prominent authors. The Ukrainian language retains a degree of intelligibility with Belarusian and Russian. The first theory of the origin of Ukrainian language was suggested in Imperial Russia in the middle of the 18th century by Mikhail Lomonosov and this theory posits the existence of a common language spoken by all East Slavic people in the time of the Rus. Another point of view developed during the 19th and 20th centuries by linguists of Imperial Russia, like Lomonosov, they assumed the existence of a common language spoken by East Slavs in the past. This general point of view is the most accepted amongst academics worldwide, the supporters of this theory disagree, however, about the time when the different languages were formed. Soviet scholars set the divergence between Ukrainian and Russian only at time periods. During the time of the incorporation of Ruthenia into the Polish–Lithuanian Commonwealth and this point of view is, however, at variance with some historical data. In fact, several East Slavic tribes, such as Polans, Drevlyans, Severians, Dulebes, White Croats, Tiverians, notably, some Ukrainian features were recognizable in the southern dialects of Old East Slavic as far back as the language can be documented. In contrast, Ahatanhel Krymsky and Alexei Shakhmatov assumed the existence of the spoken language of Eastern Slavs only in prehistoric times. According to their point of view, the diversification of the Old East Slavic language took place in the 8th or early 9th century, Ukrainian linguist Stepan Smal-Stotsky went even further, denying the existence of a common Old East Slavic language at any time in the past. Similar points of view were shared by Yevhen Tymchenko, Vsevolod Hantsov, Olena Kurylo, Ivan Ohienko, according to this theory, the dialects of East Slavic tribes evolved gradually from the common Proto-Slavic language without any intermediate stages during the 6th through 9th centuries. The Ukrainian language was formed by convergence of tribal dialects, mostly due to a migration of the population within the territory of todays Ukraine in later historical periods. This point of view was supported by George Shevelovs phonological studies. During the 13th century, when German settlers were invited to Ukraine by the princes of Galicia-Vollhynia and their influence would continue under Poland not only through German colonists but also through the Yiddish-speaking Jews. Often such words involve trade or handicrafts, examples of words of German or Yiddish origin spoken in Ukraine include dakh, rura, rynok, kushnir, and majster
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Belarusian language
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Belarusian is an official language of Belarus, along with Russian, and is spoken abroad, chiefly in Russia, Ukraine, and small parts in far-eastern Poland. Following independence, it became known as Belarusian. Belarusian is one of the East Slavic languages and shares many grammatical and lexical features with other members of the group, to some extent, Russian, Ukrainian, and Belarusian are mutually intelligible. Its predecessor stage is known as Ruthenian, in turn descended from Old East Slavic, at the 1999 Belarus Census, the Belarusian language was declared as a language spoken at home by about 3,686,000 Belarusian citizens. About 6,984,000 of Belarusians declared it their mother tongue, other sources put the population of the language as 6,715,000 in Belarus and 9,081,102 in all countries. According to a study done by the Belarusian government in 2009, 72% of Belarusians speak Russian at home,29. 4% of Belarusians can write, speak, and read Belarusian, while 52. 5% can only read and speak it. Although closely related to other East Slavic languages, especially Ukrainian, Belarusian phonology is distinct in a number of ways, the phoneme inventory of the modern Belarusian language consists of 45 to 54 phonemes,6 vowels and 39 to 48 consonants, depending on how they are counted. When the nine geminate consonants are excluded as mere variations, there are 39 consonants, the number 48 includes all consonant sounds, including variations and rare sounds, which may be semantically distinct in the modern Belarusian language. The Belarusian alphabet is a variant of the Cyrillic script, which was first used as an alphabet for the Old Church Slavonic language, the modern Belarusian form was defined in 1918, and consists of thirty-two letters. Before that, Belarusian had also written in the Belarusian Latin alphabet, the Belarusian Arabic alphabet. The Glagolitic script had been used, sporadically, until the 11th or 12th century, there are several systems of romanizing written Belarusian text in existence, see Romanization of Belarusian. Standardized Belarusian grammar in its form was adopted in 1959. It was developed from the form set down by Branislaw Tarashkyevich. Historically, there had existed several other alternative standardized forms of Belarusian grammar and it is mainly based on the Belarusian folk dialects of Minsk-Vilnius region. Belarusian grammar is mostly synthetic and partly analytic, and overall is similar to Russian grammar. The most significant instance of this is in the representation of vowel reduction, and in particular akannye, the merger of unstressed /a/ and /o/, Belarusian always spells this merged sound as ⟨a⟩, whereas Russian uses either ⟨a⟩ or ⟨o⟩, according to what the underlying phoneme is. This can significantly complicate the task of foreign speakers in learning these paradigms, besides the literary norm, there exist two main dialects of the Belarusian language, the North-Eastern and the South-Western. In addition, there exist the transitional Middle Belarusian dialect group, the North-Eastern dialect is chiefly characterized by the soft sounding R and strong akanye, and the South-Western dialect is chiefly characterized by the hard sounding R and moderate akanye
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Serbian language
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Serbian is the standardized variety of the Serbo-Croatian language mainly used by Serbs. It is the language of Serbia and one of the three official languages of Bosnia and Herzegovina. In addition, it is a minority language in Montenegro, Croatia, Macedonia, Romania, Hungary, Slovakia. Standard Serbian is based on the most widespread dialect of Serbo-Croatian, Shtokavian, which is also the basis of Standard Croatian, Bosnian, the other dialect spoken by Serbs is Torlakian in southeastern Serbia, which is transitional to Macedonian and Bulgarian. Serbian is practically the only European standard language with complete synchronic digraphia, the Serbian Cyrillic alphabet was devised in 1814 by Serbian linguist Vuk Karadžić, who created the alphabet on phonemic principles. The Latin alphabet was designed by Croatian linguist Ljudevit Gaj in 1830, Serbian is a standardized variety of Serbo-Croatian, a Slavic language, of the South Slavic subgroup. Other standardized forms of Serbo-Croatian are Bosnian, Croatian, and Montenegrin and it has lower intelligibility with the Eastern South Slavic languages Bulgarian and Macedonian, than with Slovene. The 2011 census show that 42. 88% still declare Serbian to be their native language, Standard Serbian language uses both Cyrillic and Latin script. Even in official government documents this constitutional requirement is rarely enforced, Serbian is a rare example of synchronic digraphia, a situation where all literate members of a society have two interchangeable writing systems available to them. Media and publishers typically select one alphabet or another, for example, the public broadcaster, Radio Television of Serbia, predominantly uses the Cyrillic script whereas the privately run broadcasters, like RTV Pink, predominantly use the Latin script. A survey from 2014 showed that 47% of the Serbian population favors the Latin alphabet whereas 36% favors the Cyrillic one and these are the tenses of the indicative mood. Apart from the mood, there is also the imperative mood. The conditional mood has two more tenses, the first conditional and the second conditional, Serbian has active and passive voice. As for the verb forms, Serbian has one infinitive. Most Serbian words are of native Slavic lexical stock, tracing back to the Proto-Slavic language, there are many loanwords from different languages, reflecting cultural interaction throughout history. Notable loanwords were borrowed from Greek, Latin, Italian, Turkish, Hungarian, Russian, Serbian literature emerged in the Middle Ages, and included such works as Miroslavljevo jevanđelje in 1192 and Dušanov zakonik in 1349. In the mid-15th century, Serbia was conquered by the Ottoman Empire, however, some of the greatest literary works in Serbian come from this time, in the form of oral literature, the most notable form being Serbian epic poetry. The epic poems were written down in the 19th century, and preserved in oral tradition up to the 1950s
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Macedonian language
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It is the official language of the Republic of Macedonia and a recognized minority language in parts of Albania, Romania and Serbia. Standard Macedonian was implemented as the language of the Socialist Republic of Macedonia in 1945 and has since developed a modern literature. Most of the codification was formalized during the same period, Macedonian dialects form a continuum with Bulgarian dialects, they in turn form a broader continuum with Serbo-Croatian through the transitional Torlakian dialects. The name of the Macedonian language is a matter of controversy in Greece. Macedonians closest relative is Bulgarian, with which it has a degree of mutual intelligibility. The next closest relative is Serbo-Croatian, all South Slavic languages, including Macedonian, form a dialect continuum. Its other principal members are Romanian, Greek and Albanian, all of which belong to different genetic branches of the Indo-European family and they are also the only Slavic languages with any definite articles. Bulgarian and Macedonian are the only Indo-European languages that use of the narrative mood. Prior to the codification of the language, Macedonian dialects were described by linguists as being either dialects of Bulgarian or Serbian. Similarly, Torlakian was also regarded as Bulgarian. On the other hand, many Macedonian intellectuals maintained that their language was neither a dialect of Serbian nor of Bulgarian, but the core of its standard was not formed out of dialects or variants that had ever been covered by the Bulgarian standard. Consequently, its autonomy could not have resulted from a conscious distancing of a variant of a pluricentric language, like the other South Slavic standards, the Macedonian standard was based on dialects which had never before been covered by a standard. Modern questions of classification are largely shaped by political and social factors, likewise, this view does not take into account the fact that a Macedonian koiné language was already in existence. The codifiers ultimately chose the dialects, but did so because they were most widespread. The population of the Republic of Macedonia was 2,022,547 in 2002, outside of the Republic, there are Macedonians living in other parts of the geographical area of Macedonia. There are ethnic Macedonian minorities in neighbouring Albania, in Bulgaria, in Greece, according to the official Albanian census of 1989,4,697 ethnic Macedonians reside in Albania. A large number of Macedonians live outside the traditional Balkan Macedonian region, with Australia, Canada, according to a 1964 estimate, approximately 580,000 Macedonians live outside of the Macedonian Republic, nearly 30% of the total population. The Macedonian language has the status of official language only in the Republic of Macedonia, and is a minority and official language in parts of Albania, Romania
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Bulgarian language
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Bulgarian /bʌlˈɡɛəriən/, /bʊlˈ-/ is an Indo-European language, a member of the Southern branch of the Slavic language family. Various evidential verb forms exist to express unwitnessed, retold, with the accession of Bulgaria to the European Union on 1 January 2007, Bulgarian became one of the official languages of the European Union. Development of the Bulgarian language may be divided into several periods, prehistoric period – occurred between the Slavonic migration to eastern Balkans and the mission of Saints Cyril and Methodius to Great Moravia in the 860s. Old Bulgarian – a literary norm of the southern dialect of the Common Slavic language from which Bulgarian evolved. It was used by Saints Cyril and Methodius and their disciples to translate the Bible, Middle Bulgarian – a literary norm that evolved from the earlier Old Bulgarian, after major innovations were accepted. It was a language of literary activity and the official administration language of the Second Bulgarian Empire. Modern Bulgarian – dates from the 16th century onwards, undergoing general grammar, present-day written Bulgarian language was standardized on the basis of the 19th-century Bulgarian vernacular. Bulgarian was the first Slavic language attested in writing, as Slavic linguistic unity lasted into late antiquity, in the oldest manuscripts this language was initially referred to as языкъ словяньскъ, the Slavic language. In the Middle Bulgarian period this name was replaced by the name языкъ блъгарьскъ. In some cases, the name языкъ блъгарьскъ was used not only with regard to the contemporary Middle Bulgarian language of the copyist but also to the period of Old Bulgarian. During the Middle Bulgarian period, the language underwent dramatic changes, losing the Slavonic case system, today one difference between Bulgarian dialects in the country and literary spoken Bulgarian is the significant presence of Old Bulgarian words and even word forms in the latter. Russian loans are distinguished from Old Bulgarian ones on the basis of the presence of specifically Russian phonetic changes, as in оборот, непонятен, ядро and others. As usual in cases, many other loans from French, English. Modern Bulgarian was based essentially on the Eastern dialects of the language, between 1835–1878 more than 25 proposals were put forward and linguistic chaos ensued. Eventually the eastern dialects prevailed, and in 1899 the Ministry of Education officially codified a standard Bulgarian language based on the Drinov-Ivanchev orthography, the language is mainly split into two broad dialect areas, based on the different reflexes of the Common Slavic yat vowel. This split, which occurred at some point during the Middle Ages, led to the development of Bulgarias, E. g. млеко – milk, хлеб – bread. This rule obtains in most Eastern dialects, although some have ya, or an open e sound. The literary language norm, which is based on the Eastern dialects
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Polish language
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Polish is a West Slavic language spoken primarily in Poland and is the native language of the Poles. It belongs to the Lechitic subgroup of the West Slavic languages, Polish is the official language of Poland, but it is also used throughout the world by Polish minorities in other countries. It is one of the languages of the European Union. Its written standard is the Polish alphabet, which has 9 additions to the letters of the basic Latin script, Polish is closely related to Kashubian, Silesian, Upper Sorbian, Lower Sorbian, Czech and Slovak. It is also the second most widely spoken Slavic language, after Russian, in history, Polish is known to be an important language, both diplomatically and academically in Central and Eastern Europe. Today, Polish is spoken by over 38.5 million people as their first language in Poland. It is also spoken as a language in western parts of Belarus and Ukraine, west and central Lithuania, as well as the northern parts of the Czech Republic. There are 55 million Polish language speakers around the world, Polish began to emerge as a distinct language around the 10th century, the process largely triggered by the establishment and development of the Polish state. With Christianity, Poland also adopted the Latin alphabet, which made it possible to write down Polish, the precursor to modern Polish is the Old Polish language. Ultimately, Polish is thought to descend from the unattested Proto-Slavic language, Poland is the most linguistically homogeneous European country, nearly 97% of Polands citizens declare Polish as their first language. Elsewhere, Poles constitute large minorities in Lithuania, Belarus, Polish is the most widely used minority language in Lithuanias Vilnius County and is found elsewhere in southeastern Lithuania. There are significant numbers of Polish speakers among Polish emigrants and their descendants in many other countries, in the United States, Polish Americans number more than 11 million but most of them cannot speak Polish fluently. The largest concentrations of Polish speakers reported in the census were found in three states, Illinois, New York, and New Jersey. Enough people in these areas speak Polish that PNC Financial Services offer services available in Polish at all of their machines in addition to English and Spanish. According to the 2011 census there are now over 500,000 people in England, in Canada, there is a significant Polish Canadian population, There are 242,885 speakers of Polish according to the 2006 census, with a particular concentration in Toronto and Montreal. The geographical distribution of the Polish language was affected by the territorial changes of Poland immediately after World War II. Poles settled in the Recovered Territories in the west and north and this tendency toward a homogeneity also stems from the vertically integrated nature of the authoritarian Polish Peoples Republic. The inhabitants of different regions of Poland still speak standard Polish somewhat differently, first-language speakers of Polish have no trouble understanding each other, and non-native speakers may have difficulty distinguishing regional variations
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Czech language
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Czech, historically also Bohemian, is a West Slavic language of the Czech–Slovak group. It is spoken by over 10 million people and is the language of the Czech Republic. Czech is closely related to Slovak, to the point of being intelligible to a very high degree. In the later 18th to mid-19th century, the written standard was codified in the context of the Czech National Revival. The main vernacular, known as Common Czech, is based on the vernacular of Prague, the Moravian dialects spoken in the eastern part of the country are mostly also counted as Czech, although some of their eastern variants are closer to Slovak. The Czech phoneme inventory is moderate in size, comprising five vowels, words may contain uncommon consonant clusters, including one consonant represented by the grapheme ř, or lack vowels altogether. Czech orthography is simple, and has used as a model by phonologists. Czech is classified as a member of the West Slavic sub-branch of the Slavic branch of the Indo-European language family and this branch includes Polish, Kashubian, Upper and Lower Sorbian and Slovak. Slovak is by far the closest genetic neighbor of Czech, the West Slavic languages are spoken in an area classified as part of Central Europe. Around the 7th century, the Slavic expansion reached Central Europe, the West Slavic polity of Great Moravia formed by the 9th century. The Christianization of Bohemia took place during the 9th and 10th centuries, the Bohemian language is first recorded in writing in glosses and short notes during the 12th to 13th centuries. Literary works written in Czech appear in the early 14th century, the first complete Bible translation also dates to this period. Old Czech texts, including poetry and cookbooks, were produced outside the university as well, literary activity becomes widespread in the early 15th century in the context of the Bohemian Reformation. There was no standardization distinguishing between Czech and Slovak prior to the 15th century, the publication of the Kralice Bible between 1579 and 1593 became very important for standardization of the Czech language in the following centuries. In 1615, the Bohemian diet tried to declare Czech to be the official language of the kingdom. After the Bohemian Revolt which was defeated by the Habsburgs in 1620 and this emigration together with other consequences of the Thirty Years War had a negative impact on the further use of the Czech language. In 1627, Czech and German became official languages of the Kingdom of Bohemia and in the 18th century German became dominant in Bohemia and Moravia, the modern standard Czech language originates in standardization efforts of the 18th century. Changes include the shift of í to ej and é to í and the merging of í
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Slovenian language
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Slovene or Slovenian belongs to the group of South Slavic languages. It is spoken by approximately 2.5 million speakers worldwide and it is the first language of about 2.1 million Slovenian people and is one of the 24 official and working languages of the European Union. Standard Slovene is the standard language that was formed in the 18th century, mostly based on Upper and Lower Carniolan dialect groups. For example, the Resian and Torre dialects in the Italian Province of Udine differ most from other Slovene dialects, the distinctive characteristics of Slovene are dual grammatical number, two accentual norms, and abundant inflection. Although Slovene is basically an SVO language, word order is very flexible, Slovene has a T-V distinction, second-person plural forms are used for individuals as a sign of respect. Slovene and Slovak are the two modern Slavic languages whose names for themselves literally mean Slavic. Slovene is an Indo-European language belonging to the Western subgroup of the South Slavic branch of the Slavic languages, furthermore, Slovene shares certain linguistic characteristics with all South Slavic languages, including those of the Eastern subgroup, such as Bulgarian. The Slovene language also has commonalities with the West Slavic languages. Like all Slavic languages, Slovene traces its roots to the same group of languages that produced Old Church Slavonic. The earliest known examples of a distinct, written Slovene dialect are from the Freising Manuscripts, the consensus estimate of their date of origin is between 972 and 1093. These religious writings are among the oldest surviving manuscripts in any Slavic language and this linguistic border remained almost unchanged until the late 19th century, when a second process of Germanization took place, mostly in Carinthia. Between the 9th and 12th century, proto-Slovene spread into northern Istria, during most of the Middle Ages, Slovene was a vernacular language of the peasantry, although it was also spoken in most of the towns on Slovene territory, together with German or Italian. Although during this time, German emerged as the language of the nobility, Slovene had some role in the courtly life of the Carinthian, Carniolan and Styrian nobility. This is proved by the survival of certain ritual formulas in Slovene, the words Buge waz primi, gralva Venus. The first printed Slovene words, stara pravda, appeared in 1515 in Vienna in a poem of the German mercenaries who suppressed the Slovene peasant revolt. Standard Slovene emerged in the half of the 16th century, thanks to the works of Slovene Lutheran authors. During this period, German had a influence on Slovene. Many Slovene scientists before the 1920s also wrote in languages, mostly German
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Croatian language
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It is the official and literary standard of Croatia and one of the official languages of the European Union. Croatian is also one of the languages of Bosnia and Herzegovina, a recognized minority language in Serbia. Croatian is written in Gajs Latin alphabet, besides the Shtokavian dialect, on which Standard Croatian is based, there are two other main dialects, Chakavian and Kajkavian. It is still used now in parts of Istria, which became a crossroads of various mixtures of Chakavian with Ekavian/Ijekavian/Ikavian dialects, the cultural apex of this 17th century idiom is represented by the editions of Adrianskoga mora sirena by Petar Zrinski and Putni tovaruš by Katarina Zrinska. However, this first linguistic renaissance in Croatia was halted by the execution of Petar Zrinski. Subsequently the Croatian elite in the 18th century gradually abandoned this combined Croatian standard, specifically, three major groups of dialects were spoken on Croatian territory, and there had been several literary languages over four centuries. The leader of the Illyrian movement Ljudevit Gaj standardized the Latin alphabet in 1830–1850, the uniform Neo-Shtokavian then became common in the Croatian elite. In the 1860s, the Zagreb Philological School dominated the Croatian cultural life, drawing upon linguistic, while it was dominant over the rival Rijeka Philological School and Zadar Philological Schools, its influence waned with the rise of the Croatian Vukovians. Croatian is commonly characterized by the Ijekavian pronunciation, the use of the Latin alphabet. Some differences are absolute, while some appear mainly in the frequency of use, Croatian, although technically a form of Serbo-Croatian, is sometimes considered a distinct language by itself. Differences between various forms of Serbo-Croatian are often exaggerated for political reasons. Most Croatian linguists regard Croatian as a language that is considered key to national identity. The issue is sensitive in Croatia as the notion of a language being the most important characteristic of a nation is widely accepted. The terms Serbo-Croatian or Serbo-Croat are still used as a term for all these forms by foreign scholars. Within ex-Yugoslavia, the term has largely replaced by the ethnic terms Serbian, Croatian. In 2013, the EU started publishing a Croatian language version of its official gazette, Standard Croatian is the official language of the Republic of Croatia and, along with Standard Bosnian and Standard Serbian, one of three official languages of Bosnia and Herzegovina. It is also official in the regions of Burgenland, Molise, additionally, it has co-official status alongside Romanian in the communes of Carașova and Lupac, Romania. Croatian is officially used and taught at all the universities in Croatia, there is no regulatory body that determines the proper usage of Croatian
37.
Water
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Water is a transparent and nearly colorless chemical substance that is the main constituent of Earths streams, lakes, and oceans, and the fluids of most living organisms. Its chemical formula is H2O, meaning that its molecule contains one oxygen, Water strictly refers to the liquid state of that substance, that prevails at standard ambient temperature and pressure, but it often refers also to its solid state or its gaseous state. It also occurs in nature as snow, glaciers, ice packs and icebergs, clouds, fog, dew, aquifers, Water covers 71% of the Earths surface. It is vital for all forms of life. Only 2. 5% of this water is freshwater, and 98. 8% of that water is in ice and groundwater. Less than 0. 3% of all freshwater is in rivers, lakes, and the atmosphere, a greater quantity of water is found in the earths interior. Water on Earth moves continually through the cycle of evaporation and transpiration, condensation, precipitation. Evaporation and transpiration contribute to the precipitation over land, large amounts of water are also chemically combined or adsorbed in hydrated minerals. Safe drinking water is essential to humans and other even though it provides no calories or organic nutrients. There is a correlation between access to safe water and gross domestic product per capita. However, some observers have estimated that by 2025 more than half of the population will be facing water-based vulnerability. A report, issued in November 2009, suggests that by 2030, in developing regions of the world. Water plays an important role in the world economy, approximately 70% of the freshwater used by humans goes to agriculture. Fishing in salt and fresh water bodies is a source of food for many parts of the world. Much of long-distance trade of commodities and manufactured products is transported by boats through seas, rivers, lakes, large quantities of water, ice, and steam are used for cooling and heating, in industry and homes. Water is an excellent solvent for a variety of chemical substances, as such it is widely used in industrial processes. Water is also central to many sports and other forms of entertainment, such as swimming, pleasure boating, boat racing, surfing, sport fishing, Water is a liquid at the temperatures and pressures that are most adequate for life. Specifically, at atmospheric pressure of 1 bar, water is a liquid between the temperatures of 273.15 K and 373.15 K
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Cereal
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A cereal is any grass cultivated for the edible components of its grain, composed of the endosperm, germ, and bran. Cereal grains are grown in quantities and provide more food energy worldwide than any other type of crop and are therefore staple crops. Edible grains from plant families, such as buckwheat, quinoa. In their natural form, cereals are a source of vitamins, minerals, carbohydrates, fats, oils. When refined by the removal of the bran and germ, the endosperm is mostly carbohydrate. In some developing nations, grain in the form of rice, wheat, millet, in developed nations, cereal consumption is moderate and varied but still substantial. The word cereal is derived from Ceres, the Roman goddess of harvest, agriculture allowed for the support of an increased population, leading to larger societies and eventually the development of cities. It also created the need for organization of political power, as decisions had to be made regarding labor and harvest allocation and access rights to water. Agriculture bred immobility, as populations settled down for long periods of time, early Neolithic villages show evidence of the development of processing grain. The Levant is the ancient home of the ancestors of wheat, barley and peas, there is evidence of the cultivation of figs in the Jordan Valley as long as 11,300 years ago, and cereal production in Syria approximately 9,000 years ago. During the same period, farmers in China began to farm rice and millet, using man-made floods, fiber crops were domesticated as early as food crops, with China domesticating hemp, cotton being developed independently in Africa and South America, and Western Asia domesticating flax. The first cereal grains were domesticated by early primitive humans, about 8,000 years ago, they were domesticated by ancient farming communities in the Fertile Crescent region. Emmer wheat, einkorn wheat, and barley were three of the so-called Neolithic founder crops in the development of agriculture, around the same time, millets and rices were starting to become domesticated in East Asia. Sorghum and millets were also being domesticated in sub-Saharan West Africa, while each individual species has its own peculiarities, the cultivation of all cereal crops is similar. Most are annual plants, consequently one planting yields one harvest, wheat, rye, triticale, oats, barley, and spelt are the cool-season cereals. These are hardy plants grow well in moderate weather and cease to grow in hot weather. The warm-season cereals are tender and prefer hot weather, barley and rye are the hardiest cereals, able to overwinter in the subarctic and Siberia. Many cool-season cereals are grown in the tropics, however, some are only grown in cooler highlands, where it may be possible to grow multiple crops per year
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Dryland farming
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Dryland farming and dry farming are agricultural techniques for non-irrigated cultivation of crops. Dryland farming is associated with drylands - dry areas characterized by a wet season followed by a warm dry season. Dryland farming was introduced to southern Russia and Ukraine by Ukrainian Mennonites under the influence of Johann Cornies, in Australia, it is widely practiced in all states but the Northern Territory. Dry farming may be practiced in areas that have significant annual rainfall during a wet season, Crops are cultivated during the subsequent dry season, using practices that make use of the stored moisture in the soil. California, Colorado and Oregon, in the United States, are three states where dry farming is practiced for a variety of crops, Dryland farmed crops may include winter wheat, corn, beans, Sunflowers or even watermelon. Successful dryland farming is possible with as little as 9 inches of precipitation a year, native American tribes in the arid Southwest survived for hundreds of years on dryland farming in areas with less than 10 inches of rain. The choice of crop is influenced by the timing of the predominant rainfall in relation to the seasons. For example, winter wheat is more suited to regions with higher winter rainfall areas with summer wet seasons may be more suited to summer growing crops such as sorghum. Dry farmed crops may include grapes, tomatoes, pumpkins, beans and these crops grow using the winter water stored in the soil, rather than depending on rainfall during the growing season. Dryland farming has evolved as a set of techniques and management practices used by farmers to adapt to the presence or lack of moisture in a given crop cycle. In marginal regions, a farmer should be able to survive occasional crop failures. Survival as a dryland farmer requires careful husbandry of the moisture available for the crop, Dryland farming involves the constant assessing of the amount of moisture present or lacking for any given crop cycle and planning accordingly. Dryland farmers know that to be successful they have to be aggressive during the good years in order to offset the dry years. The fact that a period must be included in the crop rotation means that fields cannot always be protected by a cover crop. Some of the theories of dryland farming developed in the late 19th and early 20th centuries claimed to be scientific but were in reality pseudoscientific, Dry farming depends on making the best use of the bank of soil moisture that was created by winter rainfall. Some dry farming practices include, Wider than normal spacing, to provide a bank of moisture for each plant. Strict weed control, to ensure that weeds do not consume soil moisture needed by the cultivated plants, cultivation of soil to produce a dust mulch, thought to prevent the loss of water through capillary action. This practice is controversial, and is not universally advocated, selection of crops and cultivars suited for dry farming practices
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No-till farming
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No-till farming is a way of growing crops or pasture from year to year without disturbing the soil through tillage. No-till is a technique which increases the amount of water that infiltrates into the soil and increases organic matter retention. In many agricultural regions it can reduce or eliminate soil erosion and it increases the amount and variety of life in and on the soil, including disease-causing organisms and disease suppression organisms. The most powerful benefit of no-tillage is improvement in soil biological fertility, farm operations are made much more efficient, particularly improved time of sowing and better trafficability of farm operations. Tillage remains relevant in agriculture today, but the success of methods in many contexts keeps farmers aware that multiple options exist. In some cases low-till methods combine aspects of till and no-till methods, for example, some approaches may use a limited amount of shallow disc harrowing but no plowing. Tillage is the preparation of soil by mechanical agitation, typically killing the plants earlier in place. This tilling can result in a seed bed or one that has formed areas, such as rows or raised beds. It is an ancient technique with clear evidence of its use since at least 3000 B. C, the first adopters of no-till include Klingman, Edward Faulkner, L. A. Porter, Harry and Lawrence Young, the Instituto de Pesquisas Agropecuarias Meridional with Herbert Bartz. No-till farming is used in the United States and the number of acres managed in this way continues to grow. Studies have found that farming can be more profitable if performed correctly. Less tillage of the soil reduces labour, fuel, irrigation, no-till can increase yield because of higher water infiltration and storage capacity, and less erosion. Another benefit of no-till is that because of the water content. As sustainable agriculture becomes more popular, monetary grants and awards are becoming available to farmers who practice conservation tillage. Some large energy corporations which are among the greatest generators of fossil-fuel-related pollution may purchase carbon credits, under such schemes, the farmers land is legally redefined as a carbon sink for the power generators emissions. This helps the farmer in several ways, and it helps the energy companies meet regulatory demands for reduction of pollution, no-till farming can increase organic matter in the soil, which is a form of carbon sequestration. However, there is debate whether this increased sequestration detected in scientific studies of no-till agriculture is actually occurring. Regardless of this debate, a case can still be made for no-till, in the form of reduction in fuel use, less erosion
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Annual plant
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An annual plant is a plant that completes its life cycle, from germination to the production of seed, within one year, and then dies. Summer annuals germinate during spring or early summer and mature by autumn of the same year, winter annuals germinate during the autumn and mature during the spring or summer of the following calendar year. One seed-to-seed life cycle for an annual can occur in as little as a month in some species, oilseed rapa can go from seed-to-seed in about five weeks under a bank of fluorescent lamps. This style of growing is used in classrooms for education. Many desert annuals are therophytes, because their life cycle is only weeks. In cultivation, many plants are, or are grown as, annuals. Some perennials and biennials are grown in gardens as annuals for convenience, carrot, celery and parsley are true biennials that are usually grown as annual crops for their edible roots, petioles and leaves, respectively. Tomato, sweet potato and bell pepper are tender perennials usually grown as annuals, ornamental perennials commonly grown as annuals are impatiens, wax begonia, snapdragon, Pelargonium, coleus and petunia. Examples of true annuals include corn, wheat, rice, lettuce, peas, watermelon, beans, zinnia, summer annuals sprout, flower, produce seed, and die, during the warmer months of the year. The lawn weed crabgrass is a summer annual, winter annuals germinate in autumn or winter, live through the winter, then bloom in winter or spring. The plants grow and bloom during the season when most other plants are dormant or other annuals are in seed form waiting for warmer weather to germinate. Winter annuals die after flowering and setting seed, the seeds germinate in the autumn or winter when the soil temperature is cool. Winter annuals typically grow low to the ground, where they are sheltered from the coldest nights by snow cover. Some common winter annuals include henbit, deadnettle, chickweed, ironically, the property that they prevent the soil from drying out can also be problematic for commercial agriculture. In 2008, it was discovered that the inactivation of only two genes in one species of annual plant leads to the conversion into a perennial plant, researchers deactivated the SOC1 and FUL genes in Arabidopsis thaliana, which control flowering time. This switch established phenotypes common in plants, such as wood formation
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C4 carbon fixation
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C4 carbon fixation or the Hatch-Slack pathway is a process in some plants. It is the first step in extracting carbon from carbon dioxide to be able to use it in sugar and it is one of three known processes for carbon fixation. The C4 in one of the names refers to the 4-carbon molecule that is the first product of this type of carbon fixation, C4 fixation is an elaboration of the more common C3 carbon fixation and is believed to have evolved more recently. C4 overcomes the tendency of the enzyme RuBisCO to wastefully fix oxygen rather than carbon dioxide in the process of photorespiration and this is achieved by ensuring that RuBisCo works in an environment where there is a lot of carbon dioxide and very little oxygen. CO2 is shuttled via malate or aspartate from mesophyll cells to bundle-sheath cells, in these bundle-sheath cells CO2 is released by decarboxylation of the malate. C4 plants use PEP carboxylase to capture more CO2 in the mesophyll cells, PEP Carboxylase binds to CO2 to make oxaloacetic acid. Malate enters bundle sheath cells and releases the CO2 and these additional steps, however, require more energy in the form of ATP. Using this extra energy, C4 plants are able to efficiently fix carbon in drought, high temperatures. Since the more common C3 pathway does not require this extra energy, the naming Hatch-Slack pathway is in honor of Marshall Davidson Hatch and C. R. Slack, who elucidated it in Australia in 1966. The C4 pathway was elucidated by Marshall Davidson Hatch and C. R. Slack, in Australia, in 1966, in C3 plants, the first step in the light-independent reactions of photosynthesis involves the fixation of CO2 by the enzyme RuBisCO into 3-phosphoglycerate. In order to bypass the photorespiration pathway, C4 plants have developed a mechanism to efficiently deliver CO2 to the RuBisCO enzyme. They utilize their specific leaf anatomy where chloroplasts exist not only in the cells in the outer part of their leaves. Instead of direct fixation to RuBisCO in the Calvin cycle, CO2 is incorporated into a 4-carbon organic acid, bundle sheath cells can then utilize this CO2 to generate carbohydrates by the conventional C3 pathway. The first step in the pathway is the conversion of pyruvate to phosphoenolpyruvate and this reaction requires inorganic phosphate and ATP plus pyruvate, producing phosphoenolpyruvate, AMP, and inorganic pyrophosphate. The next step is the fixation of CO2 into oxaloacetate by the enzyme PEP carboxylase, furthermore, O2 is a very poor substrate for this enzyme. Thus, at low concentrations of CO2, most CO2 will be fixed by this pathway. The product is converted to malate, a simple organic compound. Here, it is decarboxylated to produce CO2 and pyruvate, the CO2 now enters the Calvin cycle and the pyruvate is transported back to the mesophyll cell
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Seed
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A seed is an embryonic plant enclosed in a protective outer covering. The formation of the seed is part of the process of reproduction in seed plants, Seeds are the product of the ripened ovule, after fertilization by pollen and some growth within the mother plant. The embryo is developed from the zygote and the coat from the integuments of the ovule. Seed plants now dominate biological niches on land, from forests to both in hot and cold climates. The term seed also has a meaning that antedates the above—anything that can be sown, e. g. seed potatoes. In the case of sunflower and corn seeds, what is sown is the seed enclosed in a shell or husk, many structures commonly referred to as seeds are actually dry fruits. Plants producing berries are called baccate, sunflower seeds are sometimes sold commercially while still enclosed within the hard wall of the fruit, which must be split open to reach the seed. Different groups of plants have other modifications, the stone fruits have a hardened fruit layer fused to. Nuts are the one-seeded, hard-shelled fruit of plants with an indehiscent seed. Seeds are produced in several related groups of plants, and their manner of production distinguishes the angiosperms from the gymnosperms, angiosperm seeds are produced in a hard or fleshy structure called a fruit that encloses the seeds, hence the name. Some fruits have layers of hard and fleshy material. In gymnosperms, no special structure develops to enclose the seeds, however, the seeds do become covered by the cone scales as they develop in some species of conifer. Seed production in natural plant populations varies widely from year-to-year in response to weather variables, insects and diseases, over a 20-year period, for example, forests composed of loblolly pine and shortleaf pine produced from 0 to nearly 5 million sound pine seeds per hectare. Over this period, there were six bumper, five poor, and nine good seed crops, right after fertilization, the zygote is mostly inactive, but the primary endosperm divides rapidly to form the endosperm tissue. This tissue becomes the food the young plant will consume until the roots have developed after germination, after fertilization the ovules develop into the seeds. The ovule consists of a number of components, The funicle or seed stalk which attaches the ovule to the placenta and hence ovary or fruit wall, the nucellus, the remnant of the megasporangium and main region of the ovule where the megagametophyte develops. The micropyle, a pore or opening in the apex of the integument of the ovule where the pollen tube usually enters during the process of fertilization. The chalaza, the base of the ovule opposite the micropyle, the shape of the ovules as they develop often affects the final shape of the seeds
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Millet
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Millets are a group of highly variable small-seeded grasses, widely grown around the world as cereal crops or grains for fodder and human food. Millets are important crops in the tropics of Asia and Africa. The crop is favored due to its productivity and short growing season under dry, millets are indigenous to many parts of the world. The most widely grown millet is pearl millet, which is an important crop in India, Finger millet, proso millet, and foxtail millet are also important crop species. Millets have been important food staples in human history, particularly in Asia and they have been in cultivation in East Asia for the last 10,000 years. Consumption of the minor millets has been practiced since the beginning of the ancient civilizations of the world, generally, the millets are small-grained, annual, warm-weather cereals belonging to grass family. They are highly tolerant of extreme conditions such as drought and are nutritious compared to the major cereals such as rice. They contain low phytic acid and are rich in fiber, iron, calcium. Moreover, these millets release sugar slowly in the blood and also diminish the glucose absorption, major millets are the most widely cultivated species. Eragrostideae tribe, Eleusine coracana, Finger millet - the fourth-most cultivated millet, paniceae tribe, Panicum miliaceum, Proso millet - the third-most cultivated millet. Pennisetum glaucum, Pearl millet - the most cultivated millet, setaria italica, Foxtail millet - the second-most cultivated millet. Jobs tears - of minor importance as a crop, eragrostideae tribe, Eragrostis tef, Teff - often not considered to be a millet. White fonio, Black fonio, Raishan, Polish millet - of minor importance as a crop, Japanese barnyard millet, Indian barnyard millet, Burgu millet, Common barnyard grass. Collectively, the members of this genus are called barnyard grasses or barnyard millets, other common names to identify these seeds include Jhangora, Samo seeds or Morio / Mario / Moraiaya seeds. Panicum sumatrense, Little millet Paspalum scrobiculatum, Kodo millet Urochloa ramosa, guinea millet Foxtail Millet is known to have been the first domesticated millet. Chinese legends attribute the domestication of millet to Shennong, the legendary Emperor of China, millets also formed important parts of the prehistoric diet in Indian, Chinese Neolithic and Korean Mumun societies. Broomcorn and foxtail millet were important crops beginning in the Early Neolithic of China, for example, some of the earliest evidence of millet cultivation in China was found at Cishan. Evidence at Cishan for foxtail millet dates back to around 6500 BC, a 4, 000-year-old well-preserved bowl containing well-preserved noodles made from foxtail millet and broomcorn millet was found at the Lajia archaeological site in China
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Pearl millet
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Pearl millet is the most widely grown type of millet. It has been grown in Africa and the Indian subcontinent since prehistoric times, the center of diversity, and suggested area of domestication, for the crop is in the Sahel zone of West Africa. Recent archaeobotanical research has confirmed the presence of domesticated pearl millet on the Sahel zone of northern Mali between 2500 and 2000 BC, cultivation subsequently spread and moved overseas to India. The earliest archaeological records in India date to around 2000 BC, cultivation also spread throughout eastern and southern parts of Africa. Pearl millet is grown in the northeastern part of Nigeria. It is a source of food to the local villagers of that region. The crop grows easily in that due to its ability to withstand harsh weather conditions like drought. Records exist for cultivation of millet in the United States in the 1850s. With ovoid grains of 3 –4 mm length pearl millet has the largest kernels of all varieties of millet which can be white, pale yellow, brown, grey. The 1000-seed weight can be anything from 2.5 to 14 g with a mean of 8 g, the height of the plant ranges from 0.5 –4 m. Pearl millet is well adapted to growing areas characterized by drought, low soil fertility and it performs well in soils with high salinity or low pH. Because of its tolerance to difficult growing conditions, it can be grown in areas where other crops, such as maize or wheat. Pearl millet is an annual crop well-suited for double cropping. Today pearl millet is grown on over 260,000 km2 of land worldwide and it accounts for approximately 50% of the total world production of millets. In Pakistan, باجرا, ٻاجھري Sindhi, In USA, cattail millet Kambu is the Tamil name of Pearl millet and is an important food across the Tamil Nadu. It is the important food for Tamil people consumed predominantly in the hot humid summer months from February through July every year. It is made into a gruel and consumed along with milk or consumed as dosa or aboriginal Tamil idly. Its also the street food during summer in Tamil Nadu
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Foxtail millet
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Foxtail millet is an annual grass grown for human food. It is the second-most widely planted species of millet, and the most important in East Asia and it has the longest history of cultivation among the millets, having been grown in India since antiquity. According to recent research, it was first domesticated in China around 6,000 BC, other names for the species include dwarf setaria, foxtail bristle-grass, giant setaria, green foxtail, Italian millet, German millet, and Hungarian millet. Foxtail millet is a grass with slim, vertical, leafy stems which can reach a height of 120–200 cm. The seedhead is a dense, hairy panicle 5–30 cm long, the small seeds, around 2 mm in diameter, are encased in a thin, papery hull which is easily removed in threshing. Seed color varies greatly between varieties, the grain obtained from it is called jopsal, a word that is commonly used in Korean as a metaphor for pettiness or innumerable small things. It is the commonly used for the grain after it has been husked, unhusked grain is called guzi in North China. Marathi, kang or rala Sinhala, thana haal Tamil, thinai, kavalai, or kambankorai, the gruel made from millet, the staple of Ancient Tamils, is called kali, moddak kali, kuul, or sangati. In South India, it has been a staple diet among people for a time from the sangam period. It is popularly quoted in the old Tamil texts and is associated with Lord Muruga. In China, foxtail millet is the most common millet and one of the food crops. In Southeast Asia, foxtail millet is commonly cultivated in its dry, in Europe and North America it is planted at a moderate scale for hay and silage, and to a more limited extent for birdseed. It is a warm season crop, typically planted in late spring, Harvest for hay or silage can be made in 65–70 days, and for grain in 75–90 days. Its early maturity and efficient use of water make it suitable for raising in dry areas. Diseases of foxtail millet include leaf and head blast disease caused by Magnaporthe grisea, smut disease caused by Ustilago crameri, the unharvested crop is also susceptible to attack by birds and rodents. The wild antecedent of foxtail millet has been identified as Setaria viridis. Zohary and Hopf note that the difference between the wild and cultivated forms is their seed dispersal biology. Wild and weedy forms shatter their seed while the cultivars retain them, more recently, the Cishan culture of China has been identified as the earliest to domesticate foxtail millet around 6500–5500 BC
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Eleusine coracana
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Eleusine coracana, or finger millet, is an annual herbaceous plant widely grown as a cereal crop in the arid and semiarid areas in Africa and Asia. It is a tetraploid and self-pollinating species probably evolved from its wild relative Eleusine africana, Finger millet is native to the Ethiopian and Ugandan highlands. Finger millet originated in East Africa and came to India around 2000 BCE and it has been found in an Indian archaeological site dated to 1800 BCE. Main cultivation areas are Eastern and Southern African countries and Southern Asia, Finger millet is a short-day plant with a growing optimum at 12 h daylenght for most varieties. Its main growing area ranges from 20° N to 20° S, nevertheless, finger millet is found to be grown at 30° N in the Himalaya region. It is generally considered as a drought tolerant crop, but compared with other millets, such as pearl millet and sorghum it preferes moderate rainfall. The majority of worldwide finger millet farmers grow it rainfed, although yields often can be improved when irrigation is applied. In India, finger millet is a typical rabi crop, heat tolerance of finger millet is high. For Ugandan finger millet varieties for instance, the average growth temperature ranges at about 27 °C. Relatively to other millet species finger millet has a tolerance to cool temperatures. It is grown from about 500 meters above sea level up to about 2400 meters above sea level, by that, it can be cultivated on higher elevations than most tropical crops. Finger millet can grow on soils, including highly weathered tropical lateritic soils. Furthermore, it can tolerate soil salinity up to a certain extent and its ability to bear waterlogging is limited, therefore good drainage of the soils and moderate water holding capacity are optimal. Finger millet can tolerate moderately acidic soils but also moderately alkaline soils, Finger millet monocrops grown under rainfed conditions are most common in drier areas of Eastern Africa. In addition, intercropping with legumes, such as cowpea or pigeon pea, are quite common in East Africa. Tropical Central Africa supports scattered regions of finger millet intercropping mostly with legumes and its seeds are very small, which leads to a relatively slow development in early growing stages. This makes finger millet a weak competitor for light, water, in East and Southern Africa, the closely related species Eleusine indica is a severe weed competitor of finger millet. Especially in early growing stages of the crop and the weed and when broadcast seeding instead of row seeding is applied, besides Eleusine indica, the species Xanthium strumarium, which is animal disperesed and the stolon-owning species Cyperus rotondus and Cynodon dactylon are important finger millet weeds
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