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metadata.artigo.dc.title: Genotypic stability and adaptability in tropical maize based on AMMI and GGE biplot analysis
metadata.artigo.dc.creator: Balestre, M.
Von Pinho, R. G.
Souza, J. C.
Oliveira, R. L.
metadata.artigo.dc.subject: Cross-validation
Maize - Genetic Improvement
Validação cruzada
Milho - Melhoramento genético
metadata.artigo.dc.publisher: Fundação de Pesquisas Científicas de Ribeirão Preto 2009
metadata.artigo.dc.identifier.citation: BALESTRE, M.; VON PINHO, R. G.; SOUZA, J. C.; OLIVEIRA, R. L. Genotypic stability and adaptability in tropical maize based on AMMI and GGE biplot analysis. Genetics and Molecular Research, [S. l.], v. 8, n. 4, p. 1311-1322, 2009.
metadata.artigo.dc.description.abstract: We evaluated the phenotypic and genotypic stability and adaptability of hybrids using the additive main effect and multiplicative interaction (AMMI) and genotype x genotype-environment interaction (GGE) biplot models. Starting with 10 single-cross hybrids, a complete diallel was done, resulting in 45 double-cross hybrids that were appraised in 15 locations in Southeast, Center-West and Northeast Brazil. In most cases, when the effects were considered as random (only G effects or G and GE simultaneously) in AMMI and GGE analysis, the distances between predicted values and observed values were smaller than for AMMI and GGE biplot phenotypic means; the best linear unbiased predictors of G and GE generally showed more accurate predictions in AMMI and GGE analysis. We found the GGE biplot method to be superior to the AMMI 1 graph, due to more retention of GE and G + GE in the graph analysis. However, based on cross-validation results, the GGE biplot was less accurate than the AMMI 1 graph, inferring that the quantity of GE or G + GE retained in the graph analysis alone is not a good parameter for choice of stabilities and adaptabilities when comparing AMMI and GGE analyses.
metadata.artigo.dc.language: en_US
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