Evaluation of Induced Genetic Variability for Yield and Yield Contributing Traits in M4 Generation of Mungbean (Vigna radiata (L.) Wilczek)
S. Sofia, D. M. Reddy, K. H. P. Reddy, P. Latha, B. Ravindra Reddy, M. Sreevalli Devi
International Journal of Plant & Soil Science · pp. 940–947 · Published 12 Dec 2023
10.9734/ijpss/2023/v35i224205Abstract
The goal of the current study was to determine how much genetic variability there was for yield and traits that contributed to yield in two different mungbean varieties, WGG-42 and LGG-460, following the induction of mutations through chemicals (ethyl methane sulphonate and sodium azide) and physical (gamma rays) mutagens. In Rabi, 2018-19, in RBD with three replications in M4generation, fifty-five mutant lines selected from M3 progenies (36 in WGG-42 and 19 in LGG-460) were assessed alongside the two parents. Number of primary branches per plant, number of clusters per plant and number of pods per plant all showed high GCV and PCV. All the characters under study have high heritability. High heritability coupled with high genetic advance as per cent of mean was recorded for plant height, number of primary branches per plant, number of clusters per plant, number of pods per plant, pod length and seed yield per plant indicating that the genetic variances for these characters are probably owing to their high additive gene effects. Our study indicates promising avenues for future mungbean breeding programs to enhance these characteristics.
References (9)
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