This article presents the performances obtained on the weight of 1000 seeds of original sources and F1 hybrids of common bean. According to the results of the study, the highest performance for the weight of 1000 seeds was found in the foreign Vir variety and in the combination F1 Ravot x Solnyshko obtained on the basis of hybridization in positive superdominant inheritance, while the lowest performance was observed in the Solnyshko and Belaya fasol varieties, and in the combination F1 Solnyshko x Baby Lima in negative superdominant inheritance.