The present study was undertaken to assess genetic variability parameters in a set of 50 soybean genotypes along with four standard checks, namely JS 20-94, JS 20-98, JS 22-12, and JS 335. The experiment was conducted during Kharif 2024 at the experimental farm of the
All India Coordinated Research Project on Soybean, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani (M.S.), following a Randomized Block Design (RBD) with two replications. Data were collected on ten characters, and estimates were made for variability parameters such as range, mean, genotypic and phenotypic coefficients of variation (GCV and PCV), heritability, genetic advance, and genetic advance expressed as a percentage of mean.
Results revealed that number of pods per plant recorded the highest genotypic and phenotypic variance, followed by plant height and days to 50% flowering. Seed yield per plant exhibited the greatest GCV and PCV, with number of pods per plant, number of branches per plant, and 100-seed weight showing the next highest values. Heritability estimates were maximum for days to 50% flowering, followed by days to maturity, seed yield per plant, number of pods per plant, plant height, 100-seed weight, number of nodes per plant, number of branches per plant, and number of pod clusters per plant. High genetic advance as a percentage of mean was recorded for seed yield per plant, followed by number of pods per plant, 100-seed weight, number of branches per plant, plant height, number of nodes per plant, number of pod clusters per plant, and days to 50% flowering.
