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An influence of 5-azacitidine treatment on flower stalk branching in sugar beet (Beta vulgaris L.)
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An influence of epimutagen 5-azacitidine on a flower stalk morphogenesis in sugar beet was studied. After the epimutagene treatment the great number of the first- and the third-order branch formation was observed. A higher level of branching completely modified the flower stalk architectonics (generations À0Àz0 and À1Àz1). A number of the second-order branches in the control and the experimental plants were not distinguished. A new epiphenotype with higher level of branching (generation À0Àz0) inherited in daughter generation À1Àz1. A flower stalk architectonics was modified because the third-order branches developed in the bract axil instead of flower primordium. A great number of lateral shoot modified a metamer organization of the flower stalk. The metamers on the third-order branches were single-flowered.
Key words: 5-azacitidine; epimutagene treatment; flower stalk morphgenesis; branching; metamerism
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|Coded & Designed by Volodymyr Duplij||Modified 20.09.21|