Inheritance, variability and formation of crop productivity elements

Abstract

In the article, acclimatization of South Korean varieties of soybeans to the soil-climate conditions of the Republic of Uzbekistan and cross-breeding between them has a positive effect. According to our experiments, the combinations F1CH11(-018) x CH30(-969) and F1CH27(-266) x CH30(-969) were observed in F1 hybrids from the main elements of productivity in terms of inheritance of the number of pods per plant. In addition, F1CH11(-018) x CH30(-969) and F1CH27(-266) x CH30(-969) combinations for seed weight per plant showed positive heterosis in all but 3 combinations for lower pod location characters, positive complete and incomplete dominance was observed. Character superiority in the number of seeds per plant in CH30(-969), CH7(-014), CH28(-268) and CH28(-268), F1CH11(-018) x CH30(-969), F1KO20 x CH30 In (-969) combinations, a high index of 1000 seed weight was found in CH7(-014) and K09(339) variety samples. In combinations F1K09(339) x CH30(-969), F1US-25(-622) x CH30(-969), F1CH11(-018) x CH30(-969), F1US-25(-622) x CH30(-969 ), the phenomenon of heterosis was observed in F1CH11(-018) x CH30(-969), F1US-44 (-641) x CH30(-969) and F1KO20 x CH30(-969) combinations. It has been highlighted that the continuation of research on the above-studied variety samples and hybrid combinations will be highly effective in increasing productivity.