Inheritance of seed yield and related traits in some lentil (Lens culinaris Medik) genotypes
2008
Rasheed, S. (Government Coll. Univ., Faisalabad (Pakistan)) | Hanif, M. (Government Coll. Univ., Faisalabad (Pakistan)) | Sadiq, S. (Nuclear Inst. for Agriculture and Biology, Faisalabad (Pakistan)) | Abbas, G. (Nuclear Inst. for Agriculture and Biology, Faisalabad (Pakistan)) | Asghar, M.J. (Nuclear Inst. for Agriculture and Biology, Faisalabad (Pakistan)) | Haq, M.A. (Nuclear Inst. for Agriculture and Biology, Faisalabad (Pakistan))
The study was conducted at Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad during the year 2006-2007. Fifteen lentil lines/varieties were evaluated to exploit yield components to the maximum extent and to formulate selection criteria for the improvement of seed yield. Significant genetic variation was observed for all the traits. All the traits under study had high heritability values except number of primary branches. Higher values of heritability coupled with genetic advance were observed for seed yield (98.30%, 128.20%), harvest index (97.10%, 79.40%), biological yield (94.30%, 56.10%) and hundred seed weight (88.30%, 50.80%) which indicates the role of additive genes to control these traits. Hundred seed weight (0.67, 0.65), harvest index (0.94, 0.93) and biological yield (0.81, 0.80) had positive and highly significant correlation with seed yield at both genotypic and phenotypic levels. Number of primary branches, hundred seed weight, harvest index and biological yield showed positive direct effect along with positive genotypic correlation with seed yield. Finally, it was concluded that the traits like hundred seed weight, harvest index and biological yield can be exploited for the improvement of seed yield in lentil.
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