Stability analysis for yield and some quality traits in wheat (Triticum aestivum L.)

Stability analysis of 54 advanced generation lines along with six checks of wheat was made for six characters including three quality traits. The GxE interaction, environment (linear) and environment (nonlinear) components were highly significant for all the traits. Twenty nine genotypes showed stable response for tryptophan content and 12 for seed hardness. Many genotypes also showed stability for protein content. Grain yield was positively correlated with 1000-grain weight and harvest index but negatively associated with protein, tryptophan content, and seed hardness. Protein content showed positive association with tryptophan cOntent and seed hardness.