Agriculture and forestry

Mazur Oleksandr Vasyliovych  – Candidate of Agricultural Sciences, Associate Professor of the Department of Plant Production, Selection and Bioenergetic Cultures of the Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3, e-mail: selection@vsau.vin.ua)

Mazur Olena Vasylivna – Candidate of Agricultural Sciences, Аssistant of the Department of Plant Growing, Breeding and Bioenergetic Cultures of the Vinnytsia National Agrarian University (21008, Vinnytsia, Soniachna Str. 3).

The article presents the results of research on the adaptive value of legumes (legumes, soybeans) of varieties of specimens for their reaction to improving the conditions of cultivation. The best grades of plasticity of the selection index (the mass of seed from the plant / the number of beans per plant) of common beans were sorted specimens - UD0300658, UD0302746, UD0300856, UD0300565. According to the selection index (weight of plant seeds / number of seeds per plant), the best ones were: UD0300658, UD0300232, UD0302256, UD0302683, UD0303533 and UD0302642 in which the coefficient of plasticity was more than one. According to 

the selection index (number of seeds per plant / number of beans per plant) UD0302746 and UD0300232 appeared high-plasticity.

Highly-populated beans per plant were sorted specimens of soybeans - UD0202201, UD0202557, UD0202566. According to the number of seeds per plant, the best varieties of soybeans were: UD02025661, UD0202557, UD0202563, UD0202201, UD0202458, UD0202468, in which the coefficient of plasticity is above 

unit. According to grain yield, high- plasticity varieties of soybeans were found in which the coefficient of plasticity was higher than the unit: UD0202566 – 1,1; UD0202557 – 1,5; UD0202563 – 1,1; UD0202201 – 1,1.

Highly- plasticity. masses of 1000 seeds were sorted specimens – UD0202557, UD0202563, UD0202201, UD0202529, UD0200983, and coefficients of variation were low and varied from 6,5 to 9,6%. Highly- plasticity according to the selection index (mass of seed from a plant / quantity of beans per plant) were sorted specimens: UD0200983 – 1,3; UD0202201 – 1,3; UD0202563 – 1,5; UD0202557 – 1,6. By the coefficient of variation, these varieties were characterized by low to medium variability (V = 9-11%).

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