Genetic divergence in clusterbean (Cyamopsis tetragonoloba) for seed yield and gum content under rainfed conditions
2009
Pathak, Rakesh | Singh, Manjit | Henry, A
Genetic diversity was carried out in 40 genotypes of Clusterbean or guar [Cyamopsis tetragonoloba (L.) Taub.] during rainy (kharif) season of 2005-06 to 2007-08. Significant differences were observed due to genotypes. These genotypes were grouped into 7 clusters using Ward's Euclidean distance statistic. Majority of the genotypes constituted cluster I. The genotypes of common geographic origin or same location were grouped into different clusters. The average inter cluster D2 values indicated maximum statistical divergence between cluster HI and VI, followed by I and VI and II and VI. Cluster VI recorded highest pods/ plant, seed yield/plant, gum content, primary and secondary branches/plant.
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