Heterosis and combining ability analysis for yield contributing traits and fibre quality traits in interspecific cotton hybrids (Gossypium hirsutum L. x Gossypium barbadense L.)

doi:10.37992/2021.1203.129

EJPB

2021

DOI: 10.37992/2021.1203.129

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Heterosis and combining ability analysis for yield contributing traits and fibre quality traits in interspecific cotton hybrids (Gossypium hirsutum L. x Gossypium barbadense L.)

Abstract: Heterosis and combining ability analysis for yield contributing traits and fibre quality traits in interspecific cotton hybrids (Gossypiumhirsutum L. x Gossypium barbadense L.

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Genetic Variance, Heterosis and Correlation for Yield and Fibre Quality in Four F1 Cotton Hybrids

Isong

Eze

Mohammed

et al. 2022

BJARE

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The extent of phenotype and genotype variances, traits correlation and Principal components were investigated in F1 inter-varietal hybrid cotton. The F1 crosses were evaluated alongside their F2s, the eight involved parents and a single standard check. All the hybrids demonstrated positive and significant Relative Heterosis and Heterobeltiosis for sympodial branches and seed cotton yield per plant. Cross IV recorded the highest value for inbreeding depression of 61.7% in Seed cotton yield per plant. Days to first bursting recorded high heritability in narrow sense in IV while number of seeds per boll had same in Cross I. Cross I also recorded high genetic advance for Plant height, number of seeds per boll, seed cotton yield per plant, lint index, number of sympodia per plant and bundle strength, suggesting the effects of additive and dominant genes and absence of epistasis. Meanwhile, 87% of the accumulative variability was accounted for by the principal component 1, 2 and 3; the variability was mostly associated with plant height, seed cotton yield per plant, number of monopodia per plant, days to 50% flowering and bolls weight. The results revealed adequate genetic variability which can be exploited in a selection program for the traits. The positive and significant heterobeltiosis and standard heterosis exhibited in the F1 hybrids can be harnessed for commercial purposes after further evaluation.

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Genetic Variance, Heterosis and Correlation for Yield and Fibre Quality in Four F1 Cotton Hybrids

Isong

Eze

Mohammed

et al. 2022

BJARE

View full text Add to dashboard Cite

show abstract

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Heterosis and combining ability analysis for yield contributing traits and fibre quality traits in interspecific cotton hybrids (Gossypium hirsutum L. x Gossypium barbadense L.)

Abstract: Heterosis and combining ability analysis for yield contributing traits and fibre quality traits in interspecific cotton hybrids (Gossypiumhirsutum L. x Gossypium barbadense L.

Cited by 1 publication

References 5 publications

Genetic Variance, Heterosis and Correlation for Yield and Fibre Quality in Four F1 Cotton Hybrids

Genetic Variance, Heterosis and Correlation for Yield and Fibre Quality in Four F1 Cotton Hybrids

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