Combining Ability Analysis In Brown Sarson (Brassica Rapa L.)  Under Kashmir Conditions

Z A Dar; Shafiq A Wani; Gul Zaffer; M Habib; I  Ahmed

doi:10.48165/

Authors

Z A Dar Division of Plant Breeding and Genetics, S.K. University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, J&K, 191 121 – India
Shafiq A Wani Division of Plant Breeding and Genetics, S.K. University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, J&K, 191 121 – India
Gul Zaffer Division of Plant Breeding and Genetics, S.K. University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, J&K, 191 121 – India
M Habib Division of Plant Breeding and Genetics, S.K. University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, J&K, 191 121 – India
I Ahmed Division of Plant Breeding and Genetics, S.K. University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, J&K, 191 121 – India

DOI:

https://doi.org/10.48165/

Keywords:

Brassica rapa, combining ability, gca, recurrent selection, sca

Abstract

Six parents and their 15 F1’s of brown sarson from a half diallel cross were evaluated for yield and quality traits over two environments to obtain refined estimates of components of genetic variation which get inflated because of G x E confounding at a single location/year. Analysis of variance revealed significant differences among the parents and their crosses for all the traits. The parents CR-1607, CR-1480, KOS-1 and KS-101 were identified as good general combiners for most of the traits. The cross CR-1485 x CR-1607 proved most desirable for seed yield plant-1, 1000-seed weight, primary branches plant-1 and number of seeds siliqua-1. Lines with desirable GCA effects for yield and other attributing traits can be crossed to constitute a base population for subsequent population improvement programmes.

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