Genotype × Environment Interactions for Grain Yield of Durum Wheat Genotypes Using AMMI Model

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Abstract

The effects of genotype by environment interactions on the grain yield of twelve promising durum lines along with a durum (Zardak) and a bread (Sardari) wheat as checks were investigated at three locations, representative for multi-location durum yield trials, in Iran under rain-fed and supplementary irrigation conditions for three cropping seasons. Main effects due to E, G and GE interaction as well as four interaction principal component axes (IPCA 1-4) were found to be significant (P

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