Madras Agricultural Journal
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PHENOTYPIC STABILITY FOR HARVEST INDEX: IN BLACK GRAM

Abstract

Phenotypic stability for harvest index was studied by growing 31 genotypes of black gram in three environments of cultural practices, Main effects as well as both components of G-x E interaction (linear and non-linear effects were significent. Ten genotypes were found responsive to favourable environment. Three genotypes viz; H-79-3, KMU-3 and H-70.11 with higher mean values of harvest index were found stable to existing environ. ments, Study reveals the possibility of exploring harvest index in crop improvement programme.

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