Estimation of G x E interaction by AMMI model in some elite pigeonpea [Cajanus cajan (L.) Millspaugh] genotypes

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Published: May 25, 2020
Keywords:
AMMI, G x E interaction, pigeonpea, stability

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Amit Kumar Gaur
Department of Genetics and Plant Breeding, GBPUAandT, Pantnagar, Uttarakhand 263 145
S. K. Verma
Department of Genetics and Plant Breeding, GBPUAandT, Pantnagar, Uttarakhand 263 145
R. K. Panwar
Department of Genetics and Plant Breeding, GBPUAandT, Pantnagar, Uttarakhand 263 145
R. K. Sharma
Department of Genetics and Plant Breeding, GBPUAandT, Pantnagar, Uttarakhand 263 145

Abstract

The G x E interaction was studied in pigeonpea genotypes using AMMI model. The results indicated that main effects as well as G x E interaction effects were significant for most of the traits. Major portion of the G x E was contributed by the genotypes. AMMI model having two principle components axis was found as the best predictive model in this study. AMMI biplots, ASV and YSV indicated PA 620 to be the most stable genotype for seed yield and number of secondary branches per plant during all the three years of testing.

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How to Cite
Gaur, A. K., Verma, S. K., Panwar, R. K., & Sharma, R. K. (2020). Estimation of G x E interaction by AMMI model in some elite pigeonpea [Cajanus cajan (L.) Millspaugh] genotypes. INDIAN JOURNAL OF GENETICS AND PLANT BREEDING, 80(02), 173–178. Retrieved from https://www.isgpb.org/journal/index.php/IJGPB/article/view/92
Issue
Vol. 80 No. 02 (2020): Indian Journal of Genetics and Plant Breeding
Section
Research Article

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