Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids
Autor(a) principal: | |
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Data de Publicação: | 2023 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/47690 |
Resumo: | The Partial Circulant Diallel Cross at the Interpopulation Level (PCDCI) was proposed with the aim of better exploiting heterosis, by combining lines of different heterotic groups, and allowing the assessment of the combinatorial potential of a greater number of lines (n) which participate in s crosses, with a reduced number of evaluated hybrid combinations (ns), to estimate [n(n-s)] non-evaluated hybrids. The objectives of this study were to determine the potential of PCDCI to identify elite lines and superior combinations among the evaluated hybrids and to predict the performance of non-evaluated hybrids using a reduced model. Four PCDCI diallels were obtained involving six synthetics of maize, using groups of 20 S5 lines per synthetic. Each line was combined with four lines of the contrasting group (s=4), in each diallel, resulting in 80 hybrid combinations per diallel, which were used to predict the performance of 320 other non-evaluated combinations. The 80 hybrid combinations and four commercial controls were evaluated for grain yield using a randomized block design with two replications, in two crops. Individual and combined analyses of variance were performed based on treatment means, with diallel analyses performed and genetic parameter effects estimated using the ordinary least squares method. The significant effects of general and specific combining ability and their interactions with the crops show that both additive and dominance effects were important for yield. The means of hybrids as estimated by the reduced models were highly correlated with the observed means, with correlation coefficients between 0.75 and 0.93. The use of PCDCI is efficient for predicting the hybrids not evaluated in the diallels and allows identifying elite lines for the production of hybrids. |
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Semina. Ciências Agrárias (Online) |
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Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybridsDialelo parcial circulante interpopulacional na identificação de linhagens elites e predição de híbridos de milhoBreedingCombining abilityDiallel analysisElite linesMean prediction.Capacidade de combinaçãoMelhoramento genéticoAnálise dialélicaLinhagens elitesPredição de médias.The Partial Circulant Diallel Cross at the Interpopulation Level (PCDCI) was proposed with the aim of better exploiting heterosis, by combining lines of different heterotic groups, and allowing the assessment of the combinatorial potential of a greater number of lines (n) which participate in s crosses, with a reduced number of evaluated hybrid combinations (ns), to estimate [n(n-s)] non-evaluated hybrids. The objectives of this study were to determine the potential of PCDCI to identify elite lines and superior combinations among the evaluated hybrids and to predict the performance of non-evaluated hybrids using a reduced model. Four PCDCI diallels were obtained involving six synthetics of maize, using groups of 20 S5 lines per synthetic. Each line was combined with four lines of the contrasting group (s=4), in each diallel, resulting in 80 hybrid combinations per diallel, which were used to predict the performance of 320 other non-evaluated combinations. The 80 hybrid combinations and four commercial controls were evaluated for grain yield using a randomized block design with two replications, in two crops. Individual and combined analyses of variance were performed based on treatment means, with diallel analyses performed and genetic parameter effects estimated using the ordinary least squares method. The significant effects of general and specific combining ability and their interactions with the crops show that both additive and dominance effects were important for yield. The means of hybrids as estimated by the reduced models were highly correlated with the observed means, with correlation coefficients between 0.75 and 0.93. The use of PCDCI is efficient for predicting the hybrids not evaluated in the diallels and allows identifying elite lines for the production of hybrids.A proposta do Cruzamento Dialelo Parcial Circulante Interpopulacional (CDPCI) foi desenvolvida com a finalidade de explorar melhor a heterose, ao combinar linhagens de diferentes grupos heteróticos, e viabilizar a avaliação do potencial combinatório de um maior número de linhagens (n), que participam em s cruzamentos, com um número reduzido de combinações híbridos avaliadas (ns), com a possibilidade de estimação de [n(n-s)] híbridos não avaliados. Os objetivos foram determinar o potencial do CDPCI para identificar linhagens elites e combinações superiores nos híbridos avaliados e predizer o desempenho dos híbridos não avaliados, por meio de um modelo reduzido. Foram obtidos quatro dialelos CDPCI’s, envolvendo seis sintéticos de milho, empregando grupos de 20 linhagens S5 por sintético, sendo cada linhagem combinada com quatro linhagens do grupo contrastante (s=4), em cada dialelo, dando um total de 80 combinações híbridas por dialelo, utilizadas para predição do desempenho de 320 outras combinações não avaliadas. As 80 combinações híbridas e quatro testemunhas comerciais foram avaliados para produtividade de grãos, utilizando o delineamento de blocos casualizados com duas repetições, em duas safras. As análises de variâncias individuais e conjuntas foram realizadas com base nas médias de tratamentos, sendo as análises dialélicas e estimativas de efeitos dos parâmetros genéticos realizadas pelo método dos quadrados mínimos ordinários. Os efeitos significativos de capacidade geral e específica de combinação e suas interações com safras, mostram que tanto os efeitos aditivos quanto de dominância foram importantes para a produtividade. Os modelos reduzidos para estimação de médias de híbridos tiveram elevada correlação com as médias observadas, com estimativas entre 0,75 e 0,93. O emprego do CDPCI’s é eficiente para predição dos híbridos não avaliados nos dialelos e permite identificar linhagens elites para síntese de híbridos.UEL2023-11-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/4769010.5433/1679-0359.2023v44n5p1697Semina: Ciências Agrárias; Vol. 44 No. 5 (2023); 1697-1714Semina: Ciências Agrárias; v. 44 n. 5 (2023); 1697-17141679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/47690/49665Copyright (c) 2023 Semina: Ciências Agráriashttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccess Duarte, Irande de AzevedoFregonezi, Bruno FigueiróLucena, Vitor Joaquim deOliveira , Juliana Moraes Machado deFerreira, Josué Maldonado2023-12-12T16:14:56Zoai:ojs.pkp.sfu.ca:article/47690Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2023-12-12T16:14:56Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids Dialelo parcial circulante interpopulacional na identificação de linhagens elites e predição de híbridos de milho |
title |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids |
spellingShingle |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids Duarte, Irande de Azevedo Breeding Combining ability Diallel analysis Elite lines Mean prediction. Capacidade de combinação Melhoramento genético Análise dialélica Linhagens elites Predição de médias. |
title_short |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids |
title_full |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids |
title_fullStr |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids |
title_full_unstemmed |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids |
title_sort |
Partial circulant diallel cross at the interpopulation level in the identification of elite lines and prediction of maize hybrids |
author |
Duarte, Irande de Azevedo |
author_facet |
Duarte, Irande de Azevedo Fregonezi, Bruno Figueiró Lucena, Vitor Joaquim de Oliveira , Juliana Moraes Machado de Ferreira, Josué Maldonado |
author_role |
author |
author2 |
Fregonezi, Bruno Figueiró Lucena, Vitor Joaquim de Oliveira , Juliana Moraes Machado de Ferreira, Josué Maldonado |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Duarte, Irande de Azevedo Fregonezi, Bruno Figueiró Lucena, Vitor Joaquim de Oliveira , Juliana Moraes Machado de Ferreira, Josué Maldonado |
dc.subject.por.fl_str_mv |
Breeding Combining ability Diallel analysis Elite lines Mean prediction. Capacidade de combinação Melhoramento genético Análise dialélica Linhagens elites Predição de médias. |
topic |
Breeding Combining ability Diallel analysis Elite lines Mean prediction. Capacidade de combinação Melhoramento genético Análise dialélica Linhagens elites Predição de médias. |
description |
The Partial Circulant Diallel Cross at the Interpopulation Level (PCDCI) was proposed with the aim of better exploiting heterosis, by combining lines of different heterotic groups, and allowing the assessment of the combinatorial potential of a greater number of lines (n) which participate in s crosses, with a reduced number of evaluated hybrid combinations (ns), to estimate [n(n-s)] non-evaluated hybrids. The objectives of this study were to determine the potential of PCDCI to identify elite lines and superior combinations among the evaluated hybrids and to predict the performance of non-evaluated hybrids using a reduced model. Four PCDCI diallels were obtained involving six synthetics of maize, using groups of 20 S5 lines per synthetic. Each line was combined with four lines of the contrasting group (s=4), in each diallel, resulting in 80 hybrid combinations per diallel, which were used to predict the performance of 320 other non-evaluated combinations. The 80 hybrid combinations and four commercial controls were evaluated for grain yield using a randomized block design with two replications, in two crops. Individual and combined analyses of variance were performed based on treatment means, with diallel analyses performed and genetic parameter effects estimated using the ordinary least squares method. The significant effects of general and specific combining ability and their interactions with the crops show that both additive and dominance effects were important for yield. The means of hybrids as estimated by the reduced models were highly correlated with the observed means, with correlation coefficients between 0.75 and 0.93. The use of PCDCI is efficient for predicting the hybrids not evaluated in the diallels and allows identifying elite lines for the production of hybrids. |
publishDate |
2023 |
dc.date.none.fl_str_mv |
2023-11-09 |
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://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/47690 10.5433/1679-0359.2023v44n5p1697 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/47690 |
identifier_str_mv |
10.5433/1679-0359.2023v44n5p1697 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/47690/49665 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2023 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2023 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 44 No. 5 (2023); 1697-1714 Semina: Ciências Agrárias; v. 44 n. 5 (2023); 1697-1714 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306086981828608 |