Lysenkoism
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Lysenkoism was a pseudoscientific political campaign led by the Soviet biologist Trofim Lysenko against genetics and science-based agriculture in the mid-20th century, rejecting natural selection in f
Lysenko in 1938
Grafting
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Grafting or graftage is a horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion while the lower
Lysenkoism
…in the mid-20th century, rejecting natural selection in favour of a form of Lamarckism, as well as expanding upon the techniques of vernalization and grafting. More than 3,000 mainstream biologists were dismissed or imprisoned, and numerous scientists were executed in the Soviet campaign to suppress scientific…
Cherry tree, consolidated "V" graft
Tape has been used to bind the rootstock and scion at the graft, and tar to protect the scion from desiccation.
A grafted tree showing two differently coloured blossoms
Graft particular to plum cherry. The scion is the largest in the plant, due to the imperfect union of the two. It can be seen on the enlarged trunk: this accumulation of starch is an indication of imperfection.