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Genetic Diversity for Yield and Its Components in Blackgram (Vigna mungo L.)

Author Affiliations

  • 1 Department of Plant Breeding and Genetics,College of Agriculture, Indore, Madhya Pradesh, INDIA

Res. J. Recent Sci., Volume 2, Issue (ISC-2012), Pages 4-6, February,2 (2013)

Abstract

Seventy five genotypes of blackgram were subjected to genetic divergence by using D2 statistic. The genotypes were grouped into seven clusters by D2 analysis. Cluster V consisted maximum accessions (21) followed by cluster VI (19) and VII (13) and cluster I consisted only 1 accession. The inter-cluster distances were greater than intra-cluster distances, revealing that considerable amount of genetic diversity existed among the accessions. Plant height, seed yield per plant, number of seeds per plant, number of seeds per pod and 1000-seed weight were major traits causing genetic divergence among accessions. Cluster II had highest mean value for number of pods per plant, 1000-seed weight and seed yield per plant, cluster IV had highest value for number of seeds per plant and number of seeds per pod. The accessions IU-65-2-1 and IU-73-2-1 may serve as potential parents for hybridization programme in the improvement of yield.

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