Genetic Divergence and Cluster Studies for Different Morphological Traits in Bread Wheat (Triticum aestivum L.em.Thell)

A field experiment was conducted on 135 wheat (Triticum aestivum L.em.Thell) genotype under timely sown condition, in order to determine the genetic variability and genetic diversity. The experimental findings indicated highly significant differences in genotypes for all 12 morphological traits taken under study. Clustering of genotypes revealed that Cluster VI had highest genotypes followed by cluster VIII, V, II, III. The lowest genotypes were noted in cluster I. The average inter cluster D2 values indicated that the most diverse groups were V and IV followed by cluster IV and I, VI and I. The lowest inter cluster value was found among VIII and V. The genotypes bearing desired values from different clusters can be exploited in future breeding programme for improving the yield and physiological traits. Such differences in genetic component of traits studied can be applied as a new source of variation in other breeding programs and crossing nurseries for wheat improvement.