Investigation on Genetic Variability in Chickpea (Cicer arietinum L.) under Heat Stress Condition

Investigation on Genetic Variability in Chickpea (Cicer arietinum L.) under Heat Stress Condition

The present experiment was conducted at the Genetics and Plant Breeding Field Experiment Center, Naini Agricultural Institute, Sam Higginbottom Agriculture, Technology and Science University, Prayagraj (Uttar Pradesh) to study genetic diversity, correlation and route analysis in fifty chickpea germplasm during rabies, 2017-18. For 100-seed weight, biological yield per plant, grain yield per plant, and number of primary branches per plant, the maximum phenotypic coefficient of variation (PCV) and genotypic coefficient of variation (GCV) were noted. 100 seed weight, biological yield per plant, primary branches per plant, grain yield per plant, successful pods per plant, total number of pods per plant, secondary branches per plant, plant height, flowering days to 50 percent and maturity days were recorded for high heritability. As a percentage of mean, high heritability coupled with high genetic advancement was observed for 100 seed weight, biological yield per plant, primary branches per plant, grain yield per plant, effective pods per plant, total number of pods per plant, secondary branches per plant and plant height, indicating that these characteristics can be regarded as beneficial attributes for improvement through selection. Analysis of the path coefficient for grain yield per plant showed that the biological yield, harvest index, secondary branches, vegetative-stage canopy temperature, effective pods per plant had the highest yield contribution per plant. Thus, during the selection for yield improvement in late sown chickpeas, the utmost importance should be given to these characters.

Author (s) Details

Dr. Sanjay Kumar
Department of Plant Breeding and Genetics, Bihar Agricultural University, Sabour (Bhagalpur)-813210, India.

Dr. Suresh B. G.
Department of Genetics and Plant Breeding, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, U.P.-211007, India.

Dr. Anand Kumar
Department of Plant Breeding and Genetics, Bihar Agricultural University, Sabour (Bhagalpur)-813210, India.

Dr. G. R. Lavanya
Department of Genetics and Plant Breeding, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, U.P.-211007, India.

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