EVALUATION OF ADAPTIVE POTENTIAL OF WINTER WHEAT (TRITICUM AESTIVUM L.) VARIETIES IN THE CONDITIONS OF SOUTHERN STEPPE OF UKRAINE
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 3, Issue 3
Abstract
The results of an ecological test of 11 varieties of winter wheat in the conditions of the Southern Steppe of Ukraine during 2012-2017 are presented. The indicators of ecological plasticity and phenotypic stability were determined by the Eberhart-Russell method, and homeostaticity and the agronomic stability coefficient by the method of V.V. Khangildin. According to the results of the yield evaluation, it was found that on average for the studied varieties for this period it was 3.59 t/ha (V = 22%). Variation in the productivity of winter wheat in the years was in the range from 1.88 to 5.95 t/ha. It was found that the determining factors in the formation of productivity were weather conditions of the year (41%) and their interaction with the genotype of the variety (42%). The share of the influence of the variety was 16%. The obtained results made it possible to isolate Shestopalivka variety, which possesses high plasticity (bі = 0.91), stability (Sd2 = 7.39), homeostaticity (Hom = 12.46), has high economic value (As = 82%), therefore accordingly, has generated the highest average yield over the years of research (4.31 t/ha). These results can be used in the future to make recommendations for the cultivation of winter wheat in the Southern Steppe of Ukraine
Authors and Affiliations
Z. Bilousova
Keywords
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