1987•The Indian Journal of Agricultural SciencesOpen access

Genetic variability and heritability in cowpea. Short communication.

U. B. Apte, S A Chavan, B. B. Jadhav

Abstract

Fifty genotypes of cowpea [Vigna unguiculata (Linn.) Walp. subsp. cylindrica Van-Eseltine] showed high heritability for 100-seed weight, seeds/pod and days to maturity. The percentage of genetic gain was maximum for 100-seed weight, plant height, branches/plant and seeds/pod. Estimates of heritability and genetic gain were higher for 100-seed weight and seeds/pod, suggesting their use as selection criterion. Days to maturity had high heritability estimates but low genetic gain.

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Key concepts: Heritability, Vigna, Point of delivery, Biology, Genetic gain, Genetic variation, Genetic variability, Selection (genetic algorithm)