Author(s):

Jarman Gadi, Nihar Ranjan Chakraborty and Zafar Imam

Abstract: Genetic divergence determine in thirty six genotypes of Indian mustard [Brassica juncea (L.) Czern & Coss.] by applying D² statistics for ten characters facilitate grouping of all the genotypes into eleven clusters. Days to 50% flowering, plant height, days to maturity, siliqua on main shoot, total no of siliqua per plant, no of seed per siliqua, seed yield, biological yield per plant, test weight, harvest index were the main contributors for genetic diversity among the genotypes. Out of 11 clusters, cluster I is used to be the most important comprising 11 genotypes pursuing by cluster IV consisting of seven genotypes, cluster II and V have 5 genotypes, cluster VIII has 2 genotype whereas, rest have single genotypes each. The cluster V presented maximum intra-cluster distance (8.20), while maximum inter-cluster distance was detected between cluster XI and VI (41.82).

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