Intra-cluster distance

An experiment on Indian mustard (Brassica juncea L. Czern and Coss), for divergence studies under rainfed condition, was conducted in Randomized Complete Block Design (RBCD) accommodating 50 genotypes, from various Rapeseed and Mustard centres located across country, randomly in three replications during Rabi 2015-16 at the research farm of Tirhut College of Agriculture, Dholi, Muzaffarpur. Analysis of variance revealed considerably exploitable variability for all the 25 traits.

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In order to assess genetic divergence among thirty genotypes of brinjal, Mahalanobis D2 statistics was applied. The analysis of variance revealed significant differences among the genotypes for all the traits. Based on divergence analysis thirty genotypes were grouped into 10 clusters. Cluster II was the largest having nine genotypes followed by cluster III (8) and cluster I (6). Clusters IV, V, VI, VII, VIII, IX and X are solitary with one genotype each. Among the ten clusters, cluster III with eight genotypes showed maximum intracluster distance followed by cluster II and cluster I.

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A B S T R A C T Introduction Chickpea (Cicer arietinum L.) is the 3rd largest produced food legume in the world after common bean and field pea and is widely grown in the semi-arid regions (Gaur et al., 2012). It is important pulse crop in India and contributing about~70% of the global chickpea production (FAOSTAT, 2012). It has excellent nutrition value in terms of human dietary protein. In addition to having high protein content (20-22%) (McIntosh and Topping 2000; Charles et al., 2002).

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