According to the results of the research, the average biological yield of controlled shade of Uzbek-2 variety was 30.1 ts / ha, Uzbek-6 variety - 32.8 ts / ha. The highest yields in the selected cultivar samples were observed in the samples of Competition-58/14 and Competition-64/15 and Competition 73/18 and amounted to 38.6-40.3-40.8 ts / ha.