Multi Environment Analysis of Soybean Genotypes to Delineate Stability and Adaptability for Yield and Quality Parameters

Abstract

The present investigation was carried out at three locations of Gujarat under the jurisdiction of Anand Agricultural University (AAU) during kharif-2022. Three diverse environments were selected for conducting an experiment. The experimental material comprised of 40 genotypes of soybean sown in a randomized block design with three replications at all environments. Based on the AMMI analysis for seed yield per plant, E3 was considered as the most suitable environment for seed yield per plant while, E2 was considered as the poor environment. The genotypes G4, G16 and G40 were considered as the most stable genotypes and had general adaptation for seed yield per plant among all the genotypes since they were least affected by the environment. The genotypes G15, G22, G24, G25, G27, G29, G32 and G39 performed well in the poor environment (E2). Genotypes G10, G20 and G33 had specific adaptability in potential environment (E3) Based on the AMMI stability value G24, G25 and G22 were considered as stable genotypes over environment while, G33, G20 and G35 were considered as unstable genotypes. According to the AMMI 2 biplot G15, G16, G22, G24, G25, G27, G32 and G39 were considered as high yielding with general adaptability. The vertex genotypes for E3 were G10, G12, G20 and G33. G31 was for E2 while, vertex genotype for E1 was G26.