Genetic Diversity Analysis for Morphological Traits in Sorghum (Sorghum bicolor (L.) Moench)

Year 2024, Volume: 10 Issue: 1, 27 - 35, 01.02.2024

Mohammad Shafıqurrahaman Gajraj Singh Dahıya Ashok Kumar Dehınwal Vinay Kumar

Abstract

In present investigation 150 sorghum germplasm lines were studied for two years. The findings exhibited high heritability
in association with high genetic advance. During 2015-16,82 genotypes (maximum) were grouped in cluster I, followed
by cluster IV and cluster II with 22 and 19 genotypes, respectively, and cluster III having 11 genotypes, cluster VII having
nine genotypes only, cluster X consisted of three genotypes, while V, VI, VIII and IX clusters remain confined to single
genotype. The cluster distances ranged from 16.98 to 84.52 (within the clusters) and 40.65 to 73.37 (between clusters).
Similarly, for 2016-17 are grouped into different clusters revealed that the highest number of genotypes (96) were confined
to cluster I, followed by cluster IV, cluster II, cluster V, cluster III and cluster VI with 18, 17, 10, 8 and 1 genotype(s),
respectively. The cluster distances ranged from 29.30 to 76,38 (within the clusters) and 0.00 to 71.11 (between clusters).
Further for pooled data sorghum genotypes are grouped in to different clusters indicated that the 82genotypes (maximum)
were associated with cluster I, followed by cluster IV, cluster III, cluster II, cluster VIII and cluster V with 19, 18, 15, 8
and 4 genotypes, respectively, cluster VI, cluster VII and cluster IX had only one genotype. The cluster distances ranged
from 26.85 to 117.88 (within the clusters) and 65.87 to 117.88 (between clusters). The inter-cluster distances were more
than intra-cluster distances, which pointed towards wide genetic diversity among the genotypes of various clusters than
those of same cluster.

Keywords

Sorghum, clustering, polymorphisms, genetic divergence

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