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Abstract

Genotype X environment interactions and relative stability for grain yield were studied in four durum wheat, one bread wheat and one triticale genotype grown at 5 locations. The yield ranking of the varieties varied across the environments. Both linear and non-linear components of genotype X environment interactions were significant, indicating genetic differences among 6 genotypes for both linear and non-linear response to varying environments. D-88678 and Wadanak-85, being high yielding with unit regression and non-significant non-linear deviation from regression were identified to be most stable and adaptable genotypes.

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