Heritability and Variability of the form of Leaf Shape in Cotton F1, F2 and F1b1 Hybrids
Dilrabo K Ernazarova*
Department of Cotton Experimental Polyploidy and Phylogeny Laboratory, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Uzbekistan
*Corresponding Author: Dilrabo K Ernazarova, Department of Cotton Experimental Polyploidy and Phylogeny Laboratory, Institute of Genetics and Plant Experimental Biology, Academy of Sciences of the Republic of Uzbekistan, Uzbekistan.
March 07, 2023; Published: May 06, 2023
This article presents data on the inheritance and variability of leaf shape in intra- and interspecific hybrids F1 and F2 obtained from varieties of tetraploid cotton species (G.hirsitum L., G.tricuspidatum Lam.). The obtained results showed that intermediate inheritance is observed in the trait of the leaf shape in F1 hybrids. In F2, splitting was observed in a ratio of 1:2:1. The study of the inheritance of the trait in intra- and interspecific hybrids F1, F2 revealed semi-dominant, polygenic inheritance.
Keywords: Cotton; G.Hirsutum L., Genome; Hybrid; Leaf; Dominant
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