GGE biplot

Biplot analysis of phenotypic stability in upland cotton genotypes in Mato Grosso

F. J. C. Farias, Carvalho, L. P., Filho, J. L. Silva, Teodoro, P. E., Farias, F. J. C., Carvalho, L. P., Filho, J. L. Silva, and Teodoro, P. E., “Biplot analysis of phenotypic stability in upland cotton genotypes in Mato Grosso”, vol. 15, p. -, 2016.

Seed cotton yield is a trait governed by multiple genes that cause changes in the performance of genotypes depending on the cultivation environment. Breeding programs examine the genotype x environment interaction (GE) using precise statistical methods, such as AMMI (additive main effects and multiplicative interaction) and GGE biplot (genotype main effects + genotype x environment interaction). The AMMI method combines the analysis of variance and principal components, to adjust the main effects (genotypes and environments) and the effects of GE interaction, respectively.

Adaptability and phenotypic stability of soybean cultivars for grain yield and oil content

K. B. Silva, Bruzi, A. T., Zuffo, A. M., Zambiazzi, E. V., Soares, I. O., de Rezende, P. M., Fronza, V., Vilela, G. D. L., Botelho, F. B. S., Teixeira, C. M., Coelho, M. Ade O., Silva, K. B., Bruzi, A. T., Zuffo, A. M., Zambiazzi, E. V., Soares, I. O., de Rezende, P. M., Fronza, V., Vilela, G. D. L., Botelho, F. B. S., Teixeira, C. M., Coelho, M. Ade O., Silva, K. B., Bruzi, A. T., Zuffo, A. M., Zambiazzi, E. V., Soares, I. O., de Rezende, P. M., Fronza, V., Vilela, G. D. L., Botelho, F. B. S., Teixeira, C. M., and Coelho, M. Ade O., “Adaptability and phenotypic stability of soybean cultivars for grain yield and oil content”, vol. 15, p. -, 2016.

The aim of this study was to verify the adaptability and stability of soybean cultivars with regards to yield and oil content. Data of soybean yield and oil content were used from experiments set up in six environments in the 2011/12 and 2012/13 crop seasons in the municipalities of Patos de Minas, Uberaba, Lavras, and São Gotardo, Minas Gerais, Brazil, testing 36 commercial soybean cultivars of both conventional and transgenic varieties. The Wricke method and GGE biplot analysis were used to evaluate adaptability and stability of these cultivars.

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