The objective of the present study was to analyse the pattern of genotype x environment interaction for grain yield in experimental maize hybrids. The Additive Main Effects and Multiplicative Interaction(AMMI) model was applied to yield data obtained from a zonal trial conducted over five locations, involving fourteen experimental and three commercial hybrid checks. AMMI analysis indicated genotype, environment and the genotype x environment interaction were significant. The first two principal components were significant and jointly accounted for 74.5% of total interaction. Based on PCA values, genotypes with general and specific adaptability and preferable locations for different genotypes were suggested.
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Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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EDITOR-IN-CHIEF
Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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