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INHERITANCE OF MORPHOLOGICAL CHARACTERS IN F1, F2, F1Ð’1 PLANTS OBTAINED FROM HYBRIDIZATION OF SOME POLYMORPHIC SPECIES CORRESPONDING TO THE SECTION MAGNIBRACTEOLATA


N.N. Nabieva, B.Kh. Amanov
-, Andijan institute of agriculture and agrotechnology
Abstract
In this article the analyzed F1 plants of hybrid combinations studied on inheritance of fiber color, in interspecific F1 subsp. раniculatum x subsp.ruderale f.parnat (tan fiber) combination, an intermediate, i.e light tan color fiber was observed, while in F2-plants 1:2:1 ratio was noted by fiber color. In studied reciprocal F1, subsp. раniculatum x subsp.ruderale f.parnat (tan fiber) hybrid plants, analogical results were noted. F2 plants, a separation was observed in terms of day length requirement at a ratio of 15:1, the plants of the 15th part were observed as long-day non-demanding plants, and in the 1st part the plants were long-day demaning. In hybrid plants where such a separation rate was studied, it was also found that the polymer genes were inherited under the non-cumulative effect.
Keywords: cotton, fiber color, morphological traits, dominant, wild, semi-wild, subspecies, photoperiod, demanding plants, not demanding plants
Journal Name :
EPRA International Journal of Research & Development (IJRD)

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Published on : 2021-08-24

Vol : 6
Issue : 8
Month : August
Year : 2021
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