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The results of three-year studies of the effect of presowing seed treatment on field germination and plant survival of common bean plants in the conditions of the Right-Bank Forest-Steppe of Ukraine are presented. The study determined the patterns of the effect of presowing seed treatment on the change in these indicators in 2014-2016. It was established that the field germination of seeds and the survival rate of the studied varieties of common beans depending on the presowing treatment with different nitrogen-fixing strains of Rhizobium phaseoli microorganisms together with the biological preparations Regoplant and EPAA were slightly different. To a certain extent, the variability of indicators of field germination and survival of common bean plants was influenced by weather conditions. The best conditions for obtaining friendly shoots of common bean are the highest field germination established in the variant Rhizobium phaseoli (F-16) + Regoplant + EPAA and amounted to 95,2% for the Galactica variety, 97,3% for the Slavia variety, respectively. The lowest rates were observed in the variant without seed treatment, in the Galactica variety – 89,4%, and in the Slavia variety – 91,5%. The survival of common bean plants also depended on the presowing treatment of seeds and was high in the Galactica variety in the Rhizobium phaseoli (657a) variants – 90,5%, and Rhizobium phaseoli (657a) + Regoplant + EPAA – 90,2%. In the Slavia variety, in the variant with presowing seed treatment of Rhizobium phaseoli (F-16) + Regoplant + EPAA – 83,1%. The results of analysis of variance of the data obtained confirm that, to the greatest extent, field germination, over the years of research, was influenced by presowing treatment of seeds (B) - 70% and variety (A) - 25%. The interaction of factors (AB) - 1% and other factors - 4%, practically did not affect the change in field germination.

sìlʹsʹke gospodarstvo ta lìsìvnictvo

EFFECT OF PRESOWING SEED PROCESSING OF SEEDS ON THE FIELD CAPACITY AND RESIDENCE OF PLANTS OF COMMON BEANS IN THE CONDITIONS OF THE RIGHT-BANK FOREST-STEPPE OF UKRAINE