Genetic analysis for seed cotton yield and its contributing traits in cotton

  • Patel Komal, Madariya R. B., Patel N. B. and Raiyani G. D.
Keywords: Cotton (Gossypium hirsutum L.), Generation mean analysis, Epistasis, Heterosis, Inbreeding depression

Abstract

The nature and magnitude of gene action was estimated for seed cotton yield and its attributing characters in four intra hirsutum crosses of cotton. The magnitude of dominance effect was higher for number of monopodia per plant, number of sympodia per plant, number of bolls per plant, boll weight and seed cotton yield in almost all the characters. Epistasis components additive x additive (i) and dominance x dominance (l) were involved in the expression of number of monopodia per plant and seed cotton yield. Duplicate type of epistasis was observed for most of the character in most of the crosses. The magnitude of heterobeltiosis was high for number of monopodia per plant, number of bolls per plant and seed cotton yield in most of the crosses. Either low or moderate inbreeding depression in both directions was found for most of the traits.
Published
31-12-2014
How to Cite
Patel Komal, Madariya R. B., Patel N. B. and Raiyani G. D.
Genetic analysis for seed cotton yield and its contributing traits in cotton. 2014. Electronic Journal of Plant Breeding, 5 4, 651-656. Retrieved from https://ejplantbreeding.org/index.php/EJPB/article/view/271
Issue
Vol 5 No 4 (2014)
Section
Research Article

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