Stem rust
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Stem rust, also known as cereal rust, black rust, red rust or red dust, is caused by the fungus Puccinia graminis, which causes significant disease in cereal crops. Crop species that are affected by t
Stem rust close up
Model of a spore, late 19th century, Botanical Museum Greifswald
Race differential (Infected and uninfected depending on specific resistance genes)
Rust (fungus)
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Rusts are fungal plant pathogens of the order Pucciniales causing plant fungal diseases.
Stem rust
…rust, but the common barberry (B. vulgaris) is considered to be the most important alternate host. P. graminis is macrocyclic (exhibits all five of the spore types that are known for rust fungi). P. graminis can complete its life cycle either with or without barberry (the alternate host…
Bruine roest op tarwe
Rust hypha attacking stoma (1600x magnification)
Rust fungus on a leaf, under low magnification