Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency

Detalhes bibliográficos
Autor(a) principal: Meirelles, Walter Fernandes
Data de Publicação: 2016
Outros Autores: Parentoni, Sidney Netto, Guimarães, Lauro José Moreira, Guimarães, Paulo Evaristo de Oliveira, Pacheco, Cleso Antonio Patto, Oliveira, Antonio Carlos de, Mendes, Flávia Ferreira, Scapim, Carlos Alberto
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/21986
Resumo: The objective of this work was to evaluate additive and nonadditive genetic effects on P use efficiency and responsiveness to the nutrient in maize lines. Nine contrasting inbred lines – efficient or not regarding P use efficiency – were evaluated in diallel crosses, in a randomized complete block design, for two years, under two availability levels of the nutrient in an Oxisol. The L3 and L228‑3 lines showed the highest average effects for general combining ability (GCA, ĝi), indicating use efficiency in the absence of P, and responsiveness, in the presence. The L51502020 x L22 and L36 x L56.800.84 crosses had the highest average effects for specific combining ability (SCA, ŝij) in the presence and in the absence of P, respectively. The quadratic components for GCA were higher than those for SCA, in the absence of P, and lower in the presence, showing that the additive effects predominated in P use efficiency, and the nonadditive ones predominated in the plant responsiveness to the nutrient. The genotype combining ability interacted with the environments; therefore, the selection of the best parent and of the best hybrid combination should be done in specific environments. The inbred lines show genic complementary action regarding P use efficiency
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spelling Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiencyAnálise dialélica de linhagens de milho quanto à responsividade ao fósforo e à sua eficiência de usoZea mays; specific combining ability; general combining ability; genic complementary action; nutritional efficiencyZea mays; capacidade específica de combinação; capacidade geral de combinação; complementariedade gênica;eficiência nutricionalThe objective of this work was to evaluate additive and nonadditive genetic effects on P use efficiency and responsiveness to the nutrient in maize lines. Nine contrasting inbred lines – efficient or not regarding P use efficiency – were evaluated in diallel crosses, in a randomized complete block design, for two years, under two availability levels of the nutrient in an Oxisol. The L3 and L228‑3 lines showed the highest average effects for general combining ability (GCA, ĝi), indicating use efficiency in the absence of P, and responsiveness, in the presence. The L51502020 x L22 and L36 x L56.800.84 crosses had the highest average effects for specific combining ability (SCA, ŝij) in the presence and in the absence of P, respectively. The quadratic components for GCA were higher than those for SCA, in the absence of P, and lower in the presence, showing that the additive effects predominated in P use efficiency, and the nonadditive ones predominated in the plant responsiveness to the nutrient. The genotype combining ability interacted with the environments; therefore, the selection of the best parent and of the best hybrid combination should be done in specific environments. The inbred lines show genic complementary action regarding P use efficiencyO objetivo deste trabalho foi avaliar os efeitos genéticos aditivos e não aditivos sobre a eficiência de uso de P e a responsividade ao nutriente em linhagens de milho. Nove linhagens contrastantes – eficientes ou não quanto ao uso de P – foram avaliadas em cruzamentos dialélicos, em delineamento de blocos ao acaso, por dois anos, sob dois níveis de disponibilidade do nutriente em Latossolo Vermelho-Escuro distrófico. As linhagens L3 e L228‑3 apresentaram os maiores efeitos médios da capacidade geral de combinação (CGC, ĝi ), o que é indício de eficiência, na ausência de P, e de responsividade, na presença. Os cruzamentos L51502020 x L22 e L36 x L56.800.84 apresentaram os maiores efeitos médios da capacidade específica de combinação (CEC, ŝij), na presença e na ausência de P, respectivamente. Os componentes quadráticos para CGC foram superiores aos da CEC, na ausência de P, e inferiores, na presença, o que mostra que os efeitos aditivos predominaram na eficiência de uso, e os não aditivos, na responsividade ao nutriente. A capacidade combinatória dos genótipos interagiu com os ambientes; portanto, a seleção do melhor progenitor e da melhor combinação híbrida deve ser realizada para ambiente específico. As linhagens apresentam complementariedade gênica quanto à eficiência de uso de P.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraFundação McknightMeirelles, Walter FernandesParentoni, Sidney NettoGuimarães, Lauro José MoreiraGuimarães, Paulo Evaristo de OliveiraPacheco, Cleso Antonio PattoOliveira, Antonio Carlos deMendes, Flávia FerreiraScapim, Carlos Alberto2016-05-19info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/21986Pesquisa Agropecuaria Brasileira; v.51, n.3, mar. 2016; 224-232Pesquisa Agropecuária Brasileira; v.51, n.3, mar. 2016; 224-2321678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/21986/13277https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/21986/14048Direitos autorais 2016 Pesquisa Agropecuária Brasileirainfo:eu-repo/semantics/openAccess2016-05-19T18:03:31Zoai:ojs.seer.sct.embrapa.br:article/21986Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2016-05-19T18:03:31Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
Análise dialélica de linhagens de milho quanto à responsividade ao fósforo e à sua eficiência de uso
title Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
spellingShingle Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
Meirelles, Walter Fernandes
Zea mays; specific combining ability; general combining ability; genic complementary action; nutritional efficiency
Zea mays; capacidade específica de combinação; capacidade geral de combinação; complementariedade gênica;eficiência nutricional
title_short Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
title_full Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
title_fullStr Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
title_full_unstemmed Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
title_sort Diallel analysis of maize lines as to their phosphorus responsiveness and use efficiency
author Meirelles, Walter Fernandes
author_facet Meirelles, Walter Fernandes
Parentoni, Sidney Netto
Guimarães, Lauro José Moreira
Guimarães, Paulo Evaristo de Oliveira
Pacheco, Cleso Antonio Patto
Oliveira, Antonio Carlos de
Mendes, Flávia Ferreira
Scapim, Carlos Alberto
author_role author
author2 Parentoni, Sidney Netto
Guimarães, Lauro José Moreira
Guimarães, Paulo Evaristo de Oliveira
Pacheco, Cleso Antonio Patto
Oliveira, Antonio Carlos de
Mendes, Flávia Ferreira
Scapim, Carlos Alberto
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv
Fundação Mcknight
dc.contributor.author.fl_str_mv Meirelles, Walter Fernandes
Parentoni, Sidney Netto
Guimarães, Lauro José Moreira
Guimarães, Paulo Evaristo de Oliveira
Pacheco, Cleso Antonio Patto
Oliveira, Antonio Carlos de
Mendes, Flávia Ferreira
Scapim, Carlos Alberto
dc.subject.por.fl_str_mv Zea mays; specific combining ability; general combining ability; genic complementary action; nutritional efficiency
Zea mays; capacidade específica de combinação; capacidade geral de combinação; complementariedade gênica;eficiência nutricional
topic Zea mays; specific combining ability; general combining ability; genic complementary action; nutritional efficiency
Zea mays; capacidade específica de combinação; capacidade geral de combinação; complementariedade gênica;eficiência nutricional
description The objective of this work was to evaluate additive and nonadditive genetic effects on P use efficiency and responsiveness to the nutrient in maize lines. Nine contrasting inbred lines – efficient or not regarding P use efficiency – were evaluated in diallel crosses, in a randomized complete block design, for two years, under two availability levels of the nutrient in an Oxisol. The L3 and L228‑3 lines showed the highest average effects for general combining ability (GCA, ĝi), indicating use efficiency in the absence of P, and responsiveness, in the presence. The L51502020 x L22 and L36 x L56.800.84 crosses had the highest average effects for specific combining ability (SCA, ŝij) in the presence and in the absence of P, respectively. The quadratic components for GCA were higher than those for SCA, in the absence of P, and lower in the presence, showing that the additive effects predominated in P use efficiency, and the nonadditive ones predominated in the plant responsiveness to the nutrient. The genotype combining ability interacted with the environments; therefore, the selection of the best parent and of the best hybrid combination should be done in specific environments. The inbred lines show genic complementary action regarding P use efficiency
publishDate 2016
dc.date.none.fl_str_mv 2016-05-19
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/21986
url https://seer.sct.embrapa.br/index.php/pab/article/view/21986
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/21986/13277
https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/21986/14048
dc.rights.driver.fl_str_mv Direitos autorais 2016 Pesquisa Agropecuária Brasileira
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Direitos autorais 2016 Pesquisa Agropecuária Brasileira
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.51, n.3, mar. 2016; 224-232
Pesquisa Agropecuária Brasileira; v.51, n.3, mar. 2016; 224-232
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)
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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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