The article presents the results of estimation of adaptivity and productivity of 25 selected black currants hybrids under Bryansk region conditions. Tests have been done in 2019-2020 according to the common used programs and methods for breeding and variety testing of fruit and berries crops. The aim of the research was to evaluate the total plant state, flowering level, number of berries per a cluster, berries’ weight and productivity as well as to select the most adaptive and productive lines for their use in the future breeding work. Genotypes 8-20-227, 8-20-229 and 8-20-243 with excellent general condition and degree of flowering have been identified from the Yadrenaya x Izyumnaya family. In the formation of the overall crop, a significant place is occupied by such a component of productivity as the number of berries in the cluster. The level of manifestation of this trait is largely determined by the genetic basis of plants and significantly depends on the conditions of overwintering, the level of agricultural technology and weather conditions before and after flowering, as well as during the laying of generative buds. There are not lines with long clusters. There are some hybrids with moderate clusters (7-8 berries): 8-20-219 and 8-20-227 (Yadrenaya.Izyumnaya), 8-20-166, 8-20-185 and 8-20-177 (7-1-157.Litvinovskaya). The other lines had short clusters (5-6 berries) and very short ones (3-4 berries). The average berries’ weight was from 1.0 g (8-20-167) to 2.2 g (8-20-13). The seedlings 8-20-13 (7-2-229.Uslada) and 8-20-175 (7-1-157.Litvinovskaya) had the highest berries’ weight of 3.3 g and 3.1 g. Productivity of selected hybrid lines varied from 0.2 kg/bush (8-20-214 and 8-20-15) to 2.4 kg/bush (8-20-227). As a result of the studies carried out, genotypes 8-20-227, 8-20-229 and 8-20-223 from the Yadrenaya x Izyumnaya family, resistant to abiotic and biotic environmental factors with a productivity of 2.4, 2.2 and 2.2 kg / bush, respectively, were identified. These genotypes have been multiplied and will be further used in breeding as sources of high productivity.
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