Abstract
The present investigation was carried out to assess the stability of three lines, twelve testers, thirty six hybrids and one check (PKV Hy 2) over three locations in Maharashtra viz., Akola, Amravati and Nagpur using Eberhart and Russell Model. Pooled analysis of variance over the environments revealed that the genotypes, environments and genotypes x environments interaction were highly significant for all the characters indicating a considerable extent of interaction between the genotypes and environments. Environmental indices revealed that Nagpur was the most favourable location in an expression of most of the yield component traits. Eight hybrids viz., AKH 84635 x AKH 11-7, AKH 84635 x AKH 9916, AKH 8828 x AKH 2012-8, AKH 8828 x AKH 2006-2, AKH 8828 x SURAJ, AKH 081 x AKH 10-2, AKH 081 x DHY 286, AKH 081 x AKH 10-5 and two parents viz., AKH 081 and AKH 2012-8 found to be stable for seed cotton yield and most of the other traits over the location. Key words: Stability, regression coefficient, environmental indices, genotype x environment interaction
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