Vegetos
(An International Journal of Plant Research & Biotechnology)
Partitioning G × E interactions through the GGE biplot method for root morphology in Ashwagandha [Withania somnifera (L.) Dunal]
*Article not assigned to an issue yet
Kumar Mithlesh, Patel Manubhai, Solanki Satyanarayan, Gami Raman
Research Articles | Published: 23 August, 2024
Online ISSN : 2229-4473.
Website:www.vegetosindia.org
Pub Email: contact@vegetosindia.org
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Keywords:
Stability, Mega-environments, Winning genotype, Which-won-where, GGE biplot
Abstract
A biplot analysis used in the present study, which delineated total variation into the three principal components (PCs), accounted for 96.69, 66.71, and 71.20% of the total GEI for root branches, diameter, and length, respectively. SKA-11 for root branching, SKA-17 and SKA-23 for root diameter, and SKA-23 and SKA-25 for root length were determined to be the most productive genotypes. Two mega-environments for root branches, diameter, and length have been identified using a GGE biplot. In the first mega-environment, the winning genotypes for root branches were SKA-29 and SKA-24, while in the second mega-environment, the winning genotype was SKA-11. SKA-19 and SKA-12 were the winning genotypes in the first and second mega-environments, respectively, based on root diameter. In terms of root length, the genotypes that were victorious in the first, second, third, and fourth mega-environments were SKA-26, AWS-1, SKA-3, and SKA-11. For root branches, Bhi16 was the most discriminating and representative environment; for root diameter, it was Bhi16; and for root length, it was Skn17, Jag17, Bhi17, Skn18, Jag18, and Bhi18. In order to enhance the morphology of Indian ginseng roots, it would be advised to breed for genotypes that are both widely adaptable and location-specific.
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Acknowledgements
Author Information
Present Address: AICRN on Potential Crops, ARS Mandor, Agriculture University, Jodhpur, India
mithleshgenetix@gmail.com
Department of Genetics and Plant Breeding, C. P. College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar, India
Department of Genetics and Plant Breeding, C. P. College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar, India
Maize Research Station, Sardarkrushinagar Dantiwada Agricultural University, Bhiloda, India