Genetic variability and heritability studies in cowpea (Vigna unguiculata (L.) Walp.)

Genetic variability and heritability studies in cowpea (Vigna unguiculata (L.) Walp.)

Authors

  • Swathi S COA KAU
  • Jiji Joseph COA KAU
  • Sindhumole P COA KAU
  • Deepu Mathew COA KAU

Keywords:

Cowpea, variability, heritability, gene action

Abstract

Seven advanced lines along with two check varieties of cowpea were evaluated in a randomized blockdesign with three replications during summer season of 2021 over three agro-ecological zones of Kerala.Assessment of genetic variability and heritability on twelve quantitative characters over three locationsrevealed significant difference between genotypes for all the characters studied. High GCV and PCV wereobserved for grain yield per plant at two environments. Number of pods per plant, length of pod, pod weightand test weight were controlled by additive gene action. The characters days to first flowering, days to firstharvest, days to last harvest and protein content were under the influence of non additive gene action undertwo environments.

Author Biographies

Swathi S, COA KAU

Dept. of Plant breeding and genetics COH, Vellanikkara

Jiji Joseph, COA KAU

Professor, Dept. of Plant Breeding and Geneitics

Deepu Mathew, COA KAU

CPBMB

References

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Published

27-07-2024

How to Cite

S, S., Joseph, J., P, S., & Mathew, D. (2024). Genetic variability and heritability studies in cowpea (Vigna unguiculata (L.) Walp.). Journal of Tropical Agriculture, 62(1), 14–21. Retrieved from https://jtropag.kau.in/index.php/ojs2/article/view/1186

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