Ecology, Environment and Conservation Paper


Vol.31, October Suppl Issue, 2025

Page Number: S533-S537

ESTIMATION OF GENETIC VARIABILITY FOR SELECTION OF MUTANT POPULATION IN BLACK GRAM (VIGNA MUNGO L. [HEPPER])

Saurabh Kumar, Atar Singh, L.K. Gangwar, Pooran Chand and Mukesh Kumar

Abstract

The present investigation included five check varieties Pu-7, Pu-35, Pu-12, Pu-9, Pu-19 and their 20 mutant genotypes, developed using EMS concentrations (0.2%,0.4%,0.6% and 0.8%) and evaluated under randomized complete block design with three replications during Kharif 2023–24 at the Crop Research Centre, SVPUA&T, Meerut. Fourteen yield and yield-related traits were evaluated. Analysis of variance revealed highly significant differences among treatments for all traits, indicating substantial genetic variability. Moderate GCV and PCV were recorded for plant height (12.62%), pods per plant (12.90%), clusters per plant (14.66%), pod length (18.45%), dry pod weight (12.30%), seeds per pod (15.83%), biological yield (6.22%), harvest index (6.69%) and seed yield per plant (3.28%). High heritability estimates were found for pod length (90.01%), dry pod weight (83.76%), plant height (81.42%), branches per plant (87.66%), pods per plant (74.69%), clusters per plant (76.35%) and biological yield (72.06%), with high genetic advance observed for branches per plant, pod length, seeds per pod, clusters per plant, plant height, pods per plant and dry pod weight. High heritability coupled with high genetic advance, branches per plant, pod length, seeds per pod, and clusters per plant showed direct selection for these traits