THE INDICES OF THE INITIAL FORMS AND HYBRIDS F1 WITH GENETIC MALE STERILITY (GMS) ACCORDING TO THE ELEMENTS OF THE LENGTH OF THE GROWING SEASON

The article presents the problem of precocity having enormous theoretical and practical significance. Early maturity, as a biological phenomenon, attracts wide attention of researchers and is rightly associated with the length of the growing season. This issue is the subject of significant special literature of the genetic selection direction and is considered as a problem of the length of the growing season. Involving in hybridization cotton varieties of domestic selection S-6541, S-6771, S-2610, At-Termiziy and Indian variety samples with a sign of genetic male sterility S-5061, S-6016, S-6018, S-5067, S-5005. The researchers set the goal of studying the behavior of hybrids in F1 and parents. The best of the studied F1 hybrids with genetic male sterility (GMS) in terms of the length of the growing season were the hybrids C-2610xS-5061, C-6541xS-5061, C-6771xS-5061. n

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