Author(s): Radadiya Chirag, Mehta DR and Raval LJ

Abstract: The experimental stuff consisted of ten parents and their 45F1 hybrids through half-diallel analysis. An experiment was carried out in randomized complete block design with three replications to asses combining abilities for fruit yield and its attributing traits at Vegetable Research Station, Junagadh Agricultural University, Junagadh (Gujarat) during kharif-2022. The mean square due to GCA and SCA were highly significant for all traits. This was also confirmed by the GCA and SCA ratio (ݜŽ2GCA/ݜŽ2SCA) which was less than unity for all the traits (except days to first picking) indicated that non-additive gene action was more pronounced than that of additive gene action. However, the number of branches per plant. The parents Punjab Suhavani and GAO-8 were found to be good general combiners for most of the traits. The perusal of SCA effects revealed that the six cross combinations viz., AOL-19-12 × AOL-18-08, GAO-8 × GO-2, GAO-5 × AOL-18-06, GAO-5 × AOL-18-08, Punjab Suhavani × Pusa Sawani and Kashi Kranti × AOL-18-06 manifested good specific combining ability for fruit yield and some of its related traits. Crosses with high SCA effects for fruit yield per plant were in combinations of good × poor, moderate × moderate, moderate × good, moderate × poor and vice versa general combiners.

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