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A field experiment was conducted to evaluate 30 basmati rice genotypes for their stability for yield and yield attributing traits over three growing seasons. Fifteen randomly selected plants were sampled in the middle row of each plot and were used for the analysis. The study indicated that environment + (genotype x environment) was significant for all the characters studied thereby validating the distinctness of the environments considered. The GXE (linear) was highly significant for all the traits considered. This implies that the genotypes varied in linear response to the environments and hence the behaviour of the genotypes could be predicted over environments more accurately. Based on stability parameters and mean, UPR 2825-30-1-2, UPR 3717-4-1-1, Hansraj, IR 36 and IR 64 were found to be stable for yield in all the three environments considered. | Stability analysis for grain yield and yield attributing traits in Basmati rice varieties
