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Identification of Stable Maize Hybrids Over Environments

  • Author:K. Jhansi Rani, R. Sai Kumar and M.R. Sudarshan

    p-ISSN:0024-9602, e-ISSN:2582-5321, Vol:99, Issue:jul-sep

    DOI: https://doi.org/10.29321/MAJ.10.100107
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Abstract

                                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.

Key words : Maize hybrids, grain yield, AMMI, G x E interaction, biplot.

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ISSN : 0024-9602
eISSN : 2582-5321

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