Atypical vascular bundles of the stem in polyploid row of wheat. Analysis of the structure of atypical vascular bundles
2015
Lazarevich,S.V.
Russian. Важным конструктивным и функциональным элементом стебля пшеницы являются закрытые коллатеральные проводящие пучки, которые образуют систему проводящих тканей на диспозитивном, конструктивном и ассоциативном уровнях организации. Наряду с типичными пучками в составе междоузлий пшеницы с разной частотой обнаружены нетипичные пучки, обусловленные способом заложения клеток образовательных тканей, агрегацией пучков и изменением их топографии. Анализ строения таких пучков может быть использован для выяснения путей эволюции стебля злаков, а также для целей селекции.
Show more [+] Less [-]English. In a course of the research there were studied atypical vascular bundles of the stem in polyploid row of wheat. The research was realized in the conditions of the Republic of Belarus. As a result of realized research there was revealed that the important structural and functional elements of the stem of wheat (Triticum) are covered collateral vascular bundles, which form a system of conductive tissues in the dispositive, constructive and associative levels of organization. Along with typical bundles in the composition of interstices of wheat with varying frequency, there were detected atypical bundles, determined by the method of laying of cells of formation tissues, aggregation of bundles and change in their topography. Analysis of the structure of such bundles can be used to determine the evolutionary paths of the stalk of cereals and for breeding purposes.
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