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STUDY OF BUCKWHEAT COLLECTION SUITABLE FOR SUMMER SOWING

Published in AgroLife Scientific Journal, Volume 9, Number 2
Written by Volodymyr TROTSENKO, Melaniya NESMACHNA, Halyna ZHATOVA, Victor KABANETS, Andryi MELNYK

Evaluation of the buckwheat collection and elaboration of varietal models for summer–autumn growth period was carried out in 2015-2017 in the North-Eastern Forest-Steppe area of Ukraine. The conditions for secondary (summer) crops were used as an analyzing background. On the basis of a species collection of buckwheat (Fagopyrum esculentum Moench.) represented by 124 samples, the working collection of 35 ones was formed. These samples are characterized by vegetation duration range of 70-85 days and yield level of 1.8-5.6 g/plant and they are potentially suitable for summer sowing. Depending on the reaction of plants to the analyzing background, the differentiation of the working collection into clusters was carried out, with the predominance of long-day (14%), photoneutrality (46%) and short-day (40%) characteristics. The groups with vegetative and generative mechanisms of indicator realization and their combination among short-term samples were selected. Models of siderat and grain directions with potential yield level of 5.3-6.2 t/ha of dry matter and 2.8-3.6 t/ha of grain have been identified and created.

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