Abstract
Seventy genotypes of rice were evaluated under three seasons. Additive main effects and multiplicative interaction (AMMI) model was applied to ascertain extent of genotype ´ into season interaction (GSI) and also the stability of rice genotypes over three seasons. Significant difference was observed by AMMI analysis among the 70 genotypes as well as seasons. The sum of the first principal component accounted to 87.04% of the GSI. In the present inquiry, the genotypes viz., G26 (484.45 mg), G17 (474.78 mg) and G31 (377.87 mg) registered with high mean per day productivity and coupled with higher PCA scores. The aforementioned genotypes are exclusively suitable for favourable seasons. The genotypes G7 and G11, were nearer to the center point axes. They were influenced with the seasons. These genotypes had maximum per day productivity as well as stability and hence suitable for different seasons.
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