Combining Ability and Heterosis Studies for Yield and Yield Contributing Characters in Groundnut (Arachis hypogaea L.)
P. Gonya Nayak, M. Venkataiah, P. Revathi
Current Journal of Applied Science and Technology · pp. 566–573 · Published 31 Dec 2020
10.9734/cjast/2020/v39i4831287Abstract
In groundnut during Rabi 2015-16 Combining ability and heterosis was studied among 9 crosses involving three diverse lines viz., IVK 2015-21, IVK 2014-21and ICGV 00348 and 3 testers viz., Kadiri 7, Kadiri 6 and JCG 2141.On the basis of per se performance and General Combing Ability (GCA) effects together, the parents IVK-2014-21 and Kadiri-7 were identified as better combiners for various yield and its attributing characters. These parental materials could be better utilized as valuable basic material in developing high yielding groundnut varieties. Among those, based on per se performance, the corresponding GCA status of parents and SCA effects for most of the yield traits viz., days to 50% flowering, days to maturity, 100 kernel weight and pod yield per plant only one cross viz.,IVK14-21 x K7 was considered as better one.
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