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Research Paper | Genetics Science | Uzbekistan | Volume 6 Issue 10, October 2017 | Popularity: 6.2 / 10
Inheritance Productivity of F1 Plants and Combining Ability of Long Fibrous Cotton Varieties
S. M. Nabiev, N. E. Chorshanbiev
Abstract: . The present experiment was carried out to assess inheritance productivity of F1 plants and combining ability of five local varieties of G. barbadense L. of Surkhon-9, Termiz-32, Bukhoro-7, Duru Gavkhar and Surkhon-10. The sign was inherited by the type of superdominance. Presence of the heterosis effect in the reciprocal hybrids of varieties Surkhan-9 with Surkhan-10 and Termez-32, the level of which is quite significant and ranges from 117, 8 % to 157, 2 % of the best parent, makes them valuable for heterotic selection. Presence of reciprocal effects in advantageously most F1 combinations points to the essential role of cytoplasmic genes in the regulation of this trait. This indicates to prospects of using varieties Surkhan-9 and Termez-32 as high-level donors yields at the selection of highly-productive cotton varieties.
Keywords: Gbarbadense, cotton, variety, F1 hybrids, heterosis, combining ability
Edition: Volume 6 Issue 10, October 2017
Pages: 1023 - 1024
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