INTERSPECIFIC HYBRIDIZATION FOR THE ASSESSMENT OF POLYGENIC TRAITS IN OKRA (ABELMOSCHUS ESCULENTUS (L.) MOENCH)D. Thanigaiselvi, M. Venkatesan and K.R. SaravananAbstract The present investigation on okra was conducted to study the combining ability for yield and its contributing traits. The experiment was carried out at Plant Breeding farm, Department of Genetics and Plant Breeding, Faculty of agriculture, Annamalai University. 7 lines and 3 testers were used and 21 crosses were produced using Line x Tester mating design in Randomized Block Design with three replications. The genetic action and superior cross combinations can be evaluated using combining ability analysis. The ratio of GCA/SCA showed the preponderance of non-additive genic effect for the inheritance of all the traits. Lines Arka Abhay, MDU-1, Red Long and testers Varsha Uphar and Arka Anamika were the good general combiners for yield and its contributing traits. The crosses Arka Abhay/Varsha Uphar and Arka Abhay/ Arka Anamika were observed as good specific combinations and they can be used as heterotic hybrids. |