GENOTYPE X ENVIRONMENT INTERACTION FOR GRAIN YIELD IN COWPEA

P.L. VISWANATHAN AND N. NADARAJAN

doi:https://doi.org/10.29321/MAJ.10.A01091

Madras Agricultural Journal

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GENOTYPE X ENVIRONMENT INTERACTION FOR GRAIN YIELD IN COWPEA

Author: P.L. VISWANATHAN AND N. NADARAJAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 83, Issue: nov-nov,

DOI:https://doi.org/10.29321/MAJ.10.A01091

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Abstract

Thirteen varieties of cowpea were evaluated in three environments and stability parameters were studied for yield. The varieties IT- 86-D-1056 and Co-4 had average response to changes in environmental conditions with higher mean yield as against the population mean yield. VCP-4 had the highest mean seed yield among the materials studied and was found specially suited for unfavourable growing season.

Keywords: Cowpea, Grain Yield, Genotype, Environment, Interaction

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