Research Article
Diallel Analysis and Heritability of Grain Yield, Yield Components, and Maturity Traits in Cowpea (Vigna unguiculata (L.) Walp.)
Table 5
Estimates of genetic parameters‡‡‡ for traits‡ under optimum condition.
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‡GYLD, grain yield; PWt, pod yield; DFF, days to 50% flowering; DFFA, days to first flower appearance; DFPM, days to first pod maturity; NBM, number of branches at maturity; DTM, days to maturity; PHF, plant height at flowering; PHM, plant height at maturity; PODL, pod length at maturity; NPPLT, number of pods per plant; SPOD, number of seeds per pod; HSWt, hundred-seed weight. ‡‡‡, variance of general combining ability; , variance of specific combining ability; , variance of reciprocal effect; variance of random error; , phenotypic variance; (%), broad-sense heritability; (%), narrow-sense heritability; GA (%), percentage genetic advance; GCV (%), percentage of genotypic coefficient of variation; PCV (%), phenotypic coefficient of variation. |