Genetic Variability, Heritability and Correlation Studies in F2 Populations of Upland Cotton: Intra Hirsutum F2 Population of Upland Cotton. Pakistan Journal of Scientific & Industrial Research 2018, 61 (3), 136-144. https://doi.org/10.52763/PJSIR.BIOL.SCI.61.3.2018.136.144.