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Adaptability and Stability Analysis of Soybean Genotypes Using Toler and Centroid Methods

American Journal of Plant Sciences 2015年第9期6卷 1509-1518页

作者： raphael lemes hamawaki Osvaldo Toshiyuki hamawaki Ana Paula Oliveira Nogueira Cristiane Divina lemes hamawaki Larissa Barbosa Sousa David A. Lightfoot Stella K. Kantartzi Ministry of Education of Brazil CAPES Foundation Brasilia Brazil Crop Science Institute Federal University of Uberlandia Uberlandia Brazil Informatics Department President Antonio Carlos University Araguari Brazil Department of Plant Soil and Agricultural Systems Southern Illinois University Carbondale Carbondale Illinois USA

Soybean (Glycine max L. Merr.) adaptation to new environments has been hard to predict based on maturity group. The aim of this study was to evaluate the performance of 14 soybean genotypes, from the Soybean Breeding Program of the Federal University of Uberlandia, in their adaptive capacity and seed yield stability at 3 locations and 2 growing seasons. For the adaptability and stability analysis the Toler and Centroid methods were used;5 genotypic groups were identified in the first whereas 4 groups were identified in the latter. By the Toler method group A was composed by 4 genotypes, UFU-001, UFU-003, UFU-0010, and UFU-001. They showed a convex pattern of adaptability and stability. In contrast, the genotypes UFU-008 and UFU-0013 were classified in Group E with a concave pattern of adaptability and stability. Regarding results from the Centroid method, the Genotype UFU-002, with higher seed yield than average, was the only genotype in Ideotype VI with moderate adaptability to favorable environments. In contrast, 10 genotypes were included in the Ideotype V, of medium general adaptability. The genotypes UFU-001, UFU-002, UFU-006, UFU-0010, and UFU-0011 were recommended for use in the Brazilian Cerrado growing region. These genotypes had high seed yield potential in high quality environments.

关键词： Glycine max Adaptability Analysis Non-Linear Regression Multivariate Analysis

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