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Research Paper | Agriculture | Uzbekistan | Volume 8 Issue 8, August 2019 | Popularity: 6.6 / 10

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Resistance of Reciprocal Cotton Hybrids of F1-F2 Generation to Different Races of Verticillary Wilt

D. Kh. Akhmedova, A. A. Azimov, A. A. Narimanov

Abstract: In this research, it was studied the character of medium-fiber cotton lines’ resistance to the races A and B of the verticillary wilt and characteristics of inheritance of this trait in hybrids of the F1-F2 generation. As a result of investigations on artificially infected races “A” and “B” of the verticillary wilt, it was established that the initial parental lines obtained with the participation of the wild diploid species of cotton G. trilobum Skovsted and the hybrid plants obtained with their participation were more resistant to the races “A and “B” of the verticillary wilt than the lines that participated as cross-breeding components and had intervarietal genology. It is proposed usage of introgressive lines in breeding, aimed at improving cotton resistance to wilt.

Keywords: cotton, wilt, race, hybrid, resistance

Edition: Volume 8 Issue 8, August 2019

Pages: 111 - 114

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