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Genetic diversity plays an important role because hybrids between lines of diverse origin generally, display a greater heterosis than those between closely related parents. Genetic diversity arises due to geographical separation or due to genetic barriers to crossability. In this study, genetic diversity of twenty two genotypes of wheat was evaluated for fourteen characters using Mahalanobis D2 statistics. The wheat genotypes were grouped into three clusters. The cluster III was the largest group which consist of 9 genotypes followed by cluster II (7 genotypes) and cluster I (6 genotypes). From the clustering pattern, it was found that the wheat genotypes were genetically diverse to each other. Hence, the genotypes studied are reliable enough for selection of parents making crosses. The maximum intra cluster distances were observed in cluster III (2.945) followed by cluster I (2.463) and cluster II (2.324). The selection of divergent genotype from above clusters would produce a broad spectrum of variability for quantitative traits studied, which enable further for selection and improvement. The maximum inter cluster distance was observed in between cluster I and cluster III (4.987) followed by between clusters II and cluster III (4.355) and cluster I and cluster II (3.717). This suggested that the hybridization programme involving parents from these clusters is expected to give higher frequency of better segregantes or desirable combination for development of useful genetic stocks or varieties.

Evaluation of Genetic Divergence Analysis in Wheat for Yield and its Component Characters