The present was carried out during Kharif season of 2014-15 at Vegetable Research Farm, Department of Horticulture, College of Agriculture, JNKVV, Jabalpur (M.P.). The experimental material for the present investigation was comprised of 38 genotypes of onion. These genotypes were sown in Randomized Block Design (RBD) with three replications, to estimate the genetic variability. Analysis of variance revealed highly significant variance for all the traits depicting greater variability in the existing material. The PCV & GCV was highest for characters viz., number of flower cluster plant-1(49.79% & 47.57%), number of pods plant-1 (35.69% & 34.24%), number of pods cluster-1 (27.86% & 25.44%),), number of branches at 30 DAS (24.94%), pod weight (24.81% & 23.79%)) and pod length (23.83% & 23.62%). Heritability estimates were observed very high for pod length (98.29%), number of pods plant-1 (92.04%), pod weight (91.98%), number of flower cluster plant-1 (91.28%) and pod width (91.78%).The highest estimate of genetic advance as percentage of mean was recorded for number of flower cluster plant-1 (93.63%) followed by number of pods plant-1 (67.67%), pod length (48.24%), number of pods cluster-1 (47.84%), pod weight (47.01%), pod width (38.17%), number of flower cluster-1 (36.49%), number of branches at 30 DAS (21.68%), pod yield plot-1 (21.55%), pod yield ha-1 (21.55%) and pod yield plant-1 (20.86%).

Keywords: Cowpea, Genetic Variability, Heritability, Genetic Advance, Yield