Genetic divergence, heritability and genetic advance in mutant lines of urdbean [Vigna mungo (L.) Hepper]

DOI: 10.18805/LR-3794    | Article Id: LR-3794 | Page : 833-836
Citation :- Genetic divergence, heritability and genetic advance in mutant lines of urdbean [Vigna mungo (L.) Hepper].Legume Research-An International Journal.2018.(41):833-836
V.Kuralarasan , C.Vanniarajan, S.Kanchana , K.Veni and S. Anandhi Lavany anandhi.saro19@gmail.com
Address : Department of Plant Breeding and Genetics, Agricultural College and Research Institute, Madurai - 625 104, Tamil Nadu, India
Submitted Date : 17-10-2016
Accepted Date : 13-01-2017

Abstract

Twenty six mutant lines of urdbean [Vigna mungo (L) Hepper] were analyzed for genetic diversity using Mahalanobis D2 statistics. Based on twelve important agronomic characters, the genotypes were grouped into 4 clusters.  Group I had maximum number of mutant lines (13) followed by II and III with 9 and 4 mutant lines respectively. Maximum intra cluster divergence was found for IV and inter cluster divergence was found between group II and IV. Presence of moderate magnitude of heritability in broad sense, genetic advance as percentage of mean, phenotypic and genetic coefficient of variability in respect of number of branches per plant, number of pods per plant, plant height and yield indicated ample scope for selection for superior mutants due to preponderance of additive gene action.

Keywords

Genetic advance Genetic diversity Heritability Urdbean.

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