Fulfilling the responsibilites of the manager of the laboratory for the selection of forage crops

The effects of GCA samples according to the results of dialysis analysis are given. Genetic control systems of traits of each variety are reflected, in particular the relative contribution of dominant and recessive alleles. According to the analysis of the effects of general combinatorial ability, samples with high indicators were selected for most of the studied features: the number of vegetatively elongated shoots - Poltava 52; foliage - Anto; dry matter yield - Poltava 52; protein content in dry matter - Poltava 52; the number of generative shoots - Anto and Poltava 52; panicle length - Anto and Radio-mutant k-7; seed productivity - Anto. A high level of the coefficients of heredity of the studied signs in a broad sense (H2 = 0,93 – 0,99) have been established. The coefficients of heredity in the narrow sense (h2) in terms of genetic variability due to additive effects of genes were different. The highest rate was in seed productivity (0,91), the number of vegetatively elongated shoots (0,78), dry matter yield (0,70); the lowest - in the length of the panicle (0,35) and the height of the plant - (0,43). The protein content was average (0,58). Key words: unbearded hundred-spike, diallel crosses, general combination ability, heredity.