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The research aims to estimate genetic parameters and evaluate variance components in biparental progenies of lablab bean for yield traits.

March 1, 2026Plant Science TodayOpen Access

Estimation of genetic parameters and variance components in biparental progenies of lablab bean (Lablab purpureus L.)

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Estimates genetic parameters and identifies selection traits for yield in lablab bean progenies, suggesting effective breeding strategies.

The research aims to estimate genetic parameters and evaluate variance components in biparental progenies of lablab bean for yield traits.
Utilized a North Carolina Design II (NCD II) mating design
Evaluated 32 biparental progenies (BP₁)
Conducted analysis using a randomized block design with two replications
Performed analysis of variance to assess trait differences
Significant genetic variability found among progenies for traits such as pod yield and number of pods
Pod yield exhibited the highest estimates for genotypic and phenotypic coefficients of variation
Moderate to high heritability observed in several traits indicating potential for selection
Average degree of dominance greater than one suggests overdominance gene action for the traits studied

Kalyan et al. (2026) studied this question.

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Estimates genetic parameters and identifies selection traits for yield in lablab bean progenies, suggesting effective breeding strategies.