Journal of Food, Agriculture and Environment

Vol 20, Issue 1,2022
Online ISSN: 1459-0263
Print ISSN: 1459-0263

GGE biplot analysis of genotype-by-environment interactions for European carrot (Daucus carota L.) root yield and quality traits


Karamvir Kaur, Tarsem Singh Dhillon, Rajinder Singh,

Recieved Date: 2021-10-12, Accepted Date: 2021-12-17


The stability of yield and quality traits in seventeen European carrot (Daucus carota L.) genotypes were studied over eight environments in Punjab (Ludhiana and Langroya). Besides carrot root yield components, root quality traits such as total soluble solids (TSS), β-carotene and sugar content were also measured. Data was subjected to the combined analysis of variance and attributes stability by GGE biplot. The location by genotype interactions was significantly effective for root yield traits presented the potential to develop location specific genotype. However, the changes in productivity indicated the requirement of selecting the potential cultivars for stability over different sowing dates. Carrot cultivarNantes (G14) was confirmed as the most stable and average performing genotype for root yield traits at both the locations. Langroya was identified as the ideal location for selecting generally adapted genotypes. Biplot analysis implied that PCO-4 (G12) was the highest mean performing as well stable genotype for sugar content. Genotype P-16 (G4) was the stable genotype for β-carotene content of carrot roots. Nantes (G14) carrot was the genotype which exhibited specific adaptation, producing the highest mean root yield at KVK, Langroya conditions. Overall, the best environment for root yield and quality parameters was E7 (Second week of October at KVK, Langroya) environment. Understanding of genotype-by-environment interactions for various components of European carrot is critical for developing genotypes performing with high mean values and greater stability in the target growing environments


European carrot genotypes, root yield components, quality traits, location by genotype interactions

Journal: Journal of Food, Agriculture and Environment
Year: 2022
Volume: 20
Issue: 1
Category: Agriculture
Pages: 92-102

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