GENETIC VARIABILITY OF YIELD AND COMPONENT CHARACTERS IN COWPEA (Vigna unguiculata (L.) WALP.

K.THIYAGARAJAN

doi:https://doi.org/10.29321/MAJ.10.A02066

Madras Agricultural Journal

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GENETIC VARIABILITY OF YIELD AND COMPONENT CHARACTERS IN COWPEA (Vigna unguiculata (L.) WALP.

Author: K.THIYAGARAJAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 76, Issue: oct-oct,

DOI:https://doi.org/10.29321/MAJ.10.A02066

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Abstract

The genetic variability studies carried out with seven parents and their F₁'s had shown that there existed moderate variability for plant height, number of clusters per plant, number of pods per plant and yield per plant. Days to 50 per cent flowering, days to maturity, plant height, pod length, number of seeds per pod and 100 grain weight recorded higher heritability estimates. Both the estimates of heritabi- lity and genetic advance were high for plant height, number of seeds per pod and 100 grain weight.

Keywords: Cowpea, Genetic variability, Heritability, Genetic advance.

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