Genotype x Environment Interaction and Stability Analyses for Yield and Yield Attributing Traits of Different Genotypes in Chickpea (Cicer arietinum L.)
Journal: International Journal of Advances in Agricultural Science and Technology (IJAAST) (Vol.2, No. 10)Publication Date: 2015-10-30
Authors : Sardar Sunil Singh; Birender Singh; S.B. Mishra; Amarendra Kumar;
Page : 86-101
Keywords : Stability analysis; genotype x environment; Chickpea; (Cicer arietinum L.);
Abstract
The present investigation Genotype x Environment interaction and Stability analysis study in Chickpea (Cicer arietinum L.)” was carried out with forty one genotypes in RBD design with three replications at three locations viz. Rajendra Agricultural University at Pusa, TCA, Dholi, Muzaffarpur and KVK, Gaya during Rabi 2005-06 and 2006-07. Thirteen quantitative as well as qualitative traits were included in the investigation to estimate genetic variability, character association, direct and indirect effects, genetic divergence and G x E interaction along with stability parameters. The analysis of variance revealed considerable variability among the treatments for ten characters except number of primary branches. Analysis of variance for stability pooled over environments exhibited significant differences among genotypes for all the characters except insoluble protein. The linear component of environment and G x E interaction was found to be highly significant for number of primary and secondary branches, number of pods per plant and grain yield, which might be responsible for high adaptation in Chickpea genotypes. Among the forty one genotypes in stability study, seven genotypes namely IPC 2003-55, SAKI 95-16, IPC 2003-57, ICCV 10, IPC 2003-10, IPC 2003-66 and IPC 2003-68 appeared to be more adapted as they exhibited non significant deviation from regression, linear components (bi) value less than unity and high mean for grain yields as compare to the population mean, indicating that, these genotypes may give similar response in poor as well as good environments.
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