Estimation of genetic parameters through additive-dominance model in lentil

Document Type : Research Paper

Authors

Department of Genetic Engineering and Biotechnology, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract

The objective of the present study was to estimate the genetic parameters and hybrid vigor of yield and yield contributing traits in lentil through additive-dominance model. Mean  found to be significant in all cases which indicating polygenic nature of the traits. Parameters [d] and [h] significant in few cases indicating that both additive and dominant gene effects played an important role in the inheritance of the respective traits. In all crosses and for all characters, mid-parent and high-parent heterosis were not significant except the cross P5 × P6. Potence was non-significant in most cases which indicated that differences don’t exist between F1 and F2 generations. It was revealed from the joint scaling test that for most characters in different crosses χ2 values were not significant. Non-significant χ2 test indicated the adequacy of additive-dominance model and hence those traits carry only additive and dominant genes which can be used in breeding programs to improve lentil varieties. 

Keywords

References

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Journal of Plant Physiology and Breeding
Volume 11, Issue 2
December 2021
Pages 73-85

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