International Journal of Plant Protection

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Evaluation of Genetic Diversity in Mexican Wheat (Triticum aestivum L.) Genotypes for Qualitative and Quantitative Traits


Affiliations
1 Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, VARANASI(U.P.), India
2 Department of Genetics and Plant Breeding, College of Agriculture, Allahabad Agricultural Institute-Deemed University,ALLAHABAD (U.P.), India
     

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Genetic diversity of the thirty Mexican wheat (Triticum aestivum L.) genotypes were evaluated on the basis of ten different traits in Randomized Block Design during Rabi season, 2007 - 2008. These genotypes were grouped into six different clusters by using Mahalanobis D2 analysis. Cluster V had maximum number of (12) genotypes while, cluster I had only one genotypes. Distribution pattern of all the genotypes into various clusters showed the presence of considerable genetic divergence among the genotypes for most of the traits studied. Maximum generalized distances were observed between clusters I and VI. Yield per plant, gluten content (%) and plant height showed maximum contribution to the total genetic divergence. The genotypes present in cluster I and VI may be used as parents in hybridization programmes to develop high yielding wheat varieties.

Keywords

Divergence, Wheat, Cluster, Gluten Content, Genetic Improvement.
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  • Evaluation of Genetic Diversity in Mexican Wheat (Triticum aestivum L.) Genotypes for Qualitative and Quantitative Traits

Abstract Views: 270  |  PDF Views: 1

Authors

Mudra Khare
Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, VARANASI(U.P.), India
N. R. Rangare
Department of Genetics and Plant Breeding, College of Agriculture, Allahabad Agricultural Institute-Deemed University,ALLAHABAD (U.P.), India
Ravi P. Singh
Department of Genetics and Plant Breeding, Institute of Agricultural Sciences, Banaras Hindu University, VARANASI(U.P.), India

Abstract


Genetic diversity of the thirty Mexican wheat (Triticum aestivum L.) genotypes were evaluated on the basis of ten different traits in Randomized Block Design during Rabi season, 2007 - 2008. These genotypes were grouped into six different clusters by using Mahalanobis D2 analysis. Cluster V had maximum number of (12) genotypes while, cluster I had only one genotypes. Distribution pattern of all the genotypes into various clusters showed the presence of considerable genetic divergence among the genotypes for most of the traits studied. Maximum generalized distances were observed between clusters I and VI. Yield per plant, gluten content (%) and plant height showed maximum contribution to the total genetic divergence. The genotypes present in cluster I and VI may be used as parents in hybridization programmes to develop high yielding wheat varieties.

Keywords


Divergence, Wheat, Cluster, Gluten Content, Genetic Improvement.