Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability

Detalhes bibliográficos
Autor(a) principal: Garbuglio, Deoclécio Domingos
Data de Publicação: 2007
Outros Autores: Gerage, Antonio Carlos, Araújo, Pedro Mário de, Junior, Nelson da Silva Fonseca, Shioga, Pedro Sentaro
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/7553
Resumo: The objective of this work was to verify possible divergences among results obtained on adaptability evaluations of 27 maize genotypes (Zea mays L.), and on stratification of 22 environments on Paraná State, Brazil, through techniques of factor analysis and bissegmented regression. The environmental stratifications were made through the traditional methodology and by factor analysis, allied to the percentage of the simple portion of GxE interaction (PS%). Adaptability analyses were carried out through bissegmented regression and factor analysis. By the analysis of bissegmented regression, studied genotypes had presented high productive performance; however, it was not evidenced the genotype considered as ideal. The adaptability of the genotypes, analyzed through graphs, presented different answers when compared to bissegmented regression. Factor analysis was efficient in the processes of environment stratification and adaptability of maize genotypes.
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spelling Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptabilityAnálise de fatores e regressão bissegmentada em estudos de estratificação ambiental e adaptabilidade em milhoZea mays; genotype x environment interaction; stabilityZea mays; interação genótipo x ambiente; estabilidadeThe objective of this work was to verify possible divergences among results obtained on adaptability evaluations of 27 maize genotypes (Zea mays L.), and on stratification of 22 environments on Paraná State, Brazil, through techniques of factor analysis and bissegmented regression. The environmental stratifications were made through the traditional methodology and by factor analysis, allied to the percentage of the simple portion of GxE interaction (PS%). Adaptability analyses were carried out through bissegmented regression and factor analysis. By the analysis of bissegmented regression, studied genotypes had presented high productive performance; however, it was not evidenced the genotype considered as ideal. The adaptability of the genotypes, analyzed through graphs, presented different answers when compared to bissegmented regression. Factor analysis was efficient in the processes of environment stratification and adaptability of maize genotypes.O objetivo deste trabalho foi verificar possíveis divergências entre os resultados obtidos nas avaliações da adaptabilidade de 27 genótipos de milho (Zea mays L.), e na estratificação de 22 ambientes no Estado do Paraná, por meio de técnicas baseadas na análise de fatores e regressão bissegmentada. As estratificações ambientais foram feitas por meio do método tradicional e por análise de fatores, aliada ao porcentual da porção simples da interação GxA (PS%). As análises de adaptabilidade foram realizadas por meio de regressão bissegmentada e análise de fatores. Pela análise de regressão bissegmentada, os genótipos estudados apresentaram alta performance produtiva; no entanto, não foi constatado o genótipo considerado como ideal. A adaptabilidade dos genótipos, analisada por meio de plotagens gráficas, apresentou respostas diferenciadas quando comparada à regressão bissegmentada. A análise de fatores mostrou-se eficiente nos processos de estratificação ambiental e adaptabilidade dos genótipos de milho.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraGarbuglio, Deoclécio DomingosGerage, Antonio CarlosAraújo, Pedro Mário deJunior, Nelson da Silva FonsecaShioga, Pedro Sentaro2007-02-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/7553Pesquisa Agropecuaria Brasileira; v.42, n.2, fev. 2007; 183-191Pesquisa Agropecuária Brasileira; v.42, n.2, fev. 2007; 183-1911678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/7553/4472info:eu-repo/semantics/openAccess2014-05-28T17:25:08Zoai:ojs.seer.sct.embrapa.br:article/7553Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-05-28T17:25:08Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
Análise de fatores e regressão bissegmentada em estudos de estratificação ambiental e adaptabilidade em milho
title Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
spellingShingle Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
Garbuglio, Deoclécio Domingos
Zea mays; genotype x environment interaction; stability
Zea mays; interação genótipo x ambiente; estabilidade
title_short Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
title_full Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
title_fullStr Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
title_full_unstemmed Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
title_sort Factor analysis and bissegmented regression for studies about environmental stratification and maize adaptability
author Garbuglio, Deoclécio Domingos
author_facet Garbuglio, Deoclécio Domingos
Gerage, Antonio Carlos
Araújo, Pedro Mário de
Junior, Nelson da Silva Fonseca
Shioga, Pedro Sentaro
author_role author
author2 Gerage, Antonio Carlos
Araújo, Pedro Mário de
Junior, Nelson da Silva Fonseca
Shioga, Pedro Sentaro
author2_role author
author
author
author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Garbuglio, Deoclécio Domingos
Gerage, Antonio Carlos
Araújo, Pedro Mário de
Junior, Nelson da Silva Fonseca
Shioga, Pedro Sentaro
dc.subject.por.fl_str_mv Zea mays; genotype x environment interaction; stability
Zea mays; interação genótipo x ambiente; estabilidade
topic Zea mays; genotype x environment interaction; stability
Zea mays; interação genótipo x ambiente; estabilidade
description The objective of this work was to verify possible divergences among results obtained on adaptability evaluations of 27 maize genotypes (Zea mays L.), and on stratification of 22 environments on Paraná State, Brazil, through techniques of factor analysis and bissegmented regression. The environmental stratifications were made through the traditional methodology and by factor analysis, allied to the percentage of the simple portion of GxE interaction (PS%). Adaptability analyses were carried out through bissegmented regression and factor analysis. By the analysis of bissegmented regression, studied genotypes had presented high productive performance; however, it was not evidenced the genotype considered as ideal. The adaptability of the genotypes, analyzed through graphs, presented different answers when compared to bissegmented regression. Factor analysis was efficient in the processes of environment stratification and adaptability of maize genotypes.
publishDate 2007
dc.date.none.fl_str_mv 2007-02-01
dc.type.none.fl_str_mv
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/7553
url https://seer.sct.embrapa.br/index.php/pab/article/view/7553
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/7553/4472
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.42, n.2, fev. 2007; 183-191
Pesquisa Agropecuária Brasileira; v.42, n.2, fev. 2007; 183-191
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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