Bhavna Sinha1*, Kishor Kumar1, Khushboo Gupta1, R.R. Kanwar2, Prafull Kumar2, N.K. Nag3 and D.P. Singh4
Department of Genetics and Plant Breeding, S.G. College of Agriculture and Research Station, Kumhrawand, Jagdalpur, Bastar 494001 (C.G.)
Department of Agronomy, S. G. College of Agriculture and Research Station Kumhrawand,
Jagdalpur, Bastar 494001 (C.G.)
Department of Agricultural Statistics and Social Science, S. G. College of Agriculture and Research Station Kumhrawand, Jagdalpur, Bastar 494001 (C.G.)
Email:bhavnasinha642@gmail.com
Received-01.10.2024, Revised-14.10.2024, Accepted-29.10.2024
Abstract: The trail was conducted in Finger millet (Eleusine coracana L.) undertaken at the Research cum Instructional Farm of S.G. College of Agriculture and Research Station, Kumhrawand, Jagdalpur, Bastar (C.G.) during Kharif 2023. The genetic divergence was estimated in finger millet developed by multivariate analysis using mahalanobis (1936). 100genotypes of finger millet grouped into six clusters based on D2 analysis. The Cluster I and Cluster III was largest with 24 lines followed by Cluster II with 20 lines, Cluster IV with 17 lines and Cluster V with 10 lines but Cluster VI was lowest 9 lines.D2 values were computed intra- and inter-cluster D2 and D values using divergence analysis. The maximum intra-cluster distance was found in cluster IV indicating in within cluster. The highest inter- cluster distance was recorded between Cluster V and cluster IV followed by Cluster VI and II indicates a significant genetic distance between current generations. Cluster VI and II came next each the higher genetic divergence of these clusters and the higher level of heterotic expression and a range that then from mixing genotypes from these clusters in the resulting segregating populations.In current experiment of D2 analysis suggested that there by exhibiting higher genetic diversity and thus genotypes of these cluster may be used for inter varietal hybridization proggramme for getting higher yielding recombinants in finger millet.
Keywords: Finger millet, Eleusine coracana, genetic diversity, cluster analysis
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