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Induced mutant by gamma rays and genetic analysis for mutant characters in flue-cured tobacco variety (Nicotiana tabacum L.) III. Heritability and genotypic correlation for mutant characters in flue-cured tobacco variety



Induced mutant by gamma rays and genetic analysis for mutant characters in flue-cured tobacco variety (Nicotiana tabacum L.) III. Heritability and genotypic correlation for mutant characters in flue-cured tobacco variety



Journal of the Korean Society of Tobacco Science 14(2): 126-132



Estimates of heterosis, degree of dominance, heritability and phenotypic and genotypic correlation were made for several mutant characters. Significant heterosis was noted, being 2.73 and 6.16% for leaf width, -6.86 and -4.72 for leaf shape index and 19.8 and 23.4% for bacterial wilt (Pseudomonas solanacearum) index in F1 and F2 generation, respectively, and - 1.44 for days to flowering in F2 generation. Leaf width showed partial dominance in the F1 as did leaf shape index in the F1 and F2.

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