Electronic Journal of Plant Breeding (Sep 2022)

Genetic diversity study in soybean [Glycine max L. Merrill] based on agro-morphological characters

  • Kolisetti Lakshmi Sai Mounika1, Th. Renuka Devi1, H. Nanita Devi1*, Kammela Seetha Ramaiah1, Masadi Sunil Kumar1, Bireswar Sinha2 and N. Gopimohan Singh3

DOI
https://doi.org/10.37992/2022.1303.130
Journal volume & issue
Vol. 13, no. 3
pp. 1005 – 1011

Abstract

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Using Mahalanobis D2statistics, the level of genetic diversity among soybean genotypes based on 12 agromorphological traits was investigated in this study. A total of 100 soybean genotypes were grouped into six clusters. Cluster I had the maximum number of genotypes (53 genotypes), followed by cluster II (37 genotypes), cluster III (6 genotypes), clusters IV and V (1 genotype each), cluster VI (2 genotypes). Clusters I and VI had the greatest intercluster distance (117618.10). Intra-cluster distance ranged between 0.00 and 9830.83. The biggest contribution to total divergence came from character plot yield (25.0 %). Cluster VI had the highest cluster mean values for yield and its component traits. Based on inter-cluster distance, cluster mean values, and mean per se performance, it is recommended to utilize genotypes of cluster I and cluster VI, I and III, III and IV, II and VI, respectively, for future hybridization programs to develop high yielding genotypes.

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