Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Bragantia |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000100052 |
Resumo: | ABSTRACT Selection of hybrid coffee plants coming from crosses between divergent populations is particularly relevant for the success of breeding programs. This study aimed to outline the best selection strategy in a hybrid population of Coffea canephora var. kouilou and robusta by estimating intrapopulation genetic parameters. Twenty full-sib progenies obtained by North Caroline II were installed in a randomized complete blocks design, with one plant per elementary plot. The following traits were evaluated: vegetative vigor, reaction to rust, plant height, diameter of canopy projection, maturity time, and bean yield. Significant individual genotypic variance and heritability estimates lead to an effective selection. The multi-trait selection index carried out between progenies and at individual level provided 5% and 40% gain, respectively. Thus, intrapopulation selection in a hybrid population is a viable strategy for the selection of superior individuals to compose new crosses and clones for cultivars in the breeding program of C. canephora, even with unbalanced data. |
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Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffeemixed modelsmulti-trait indexintrapopulation selectionCoffea canephoraABSTRACT Selection of hybrid coffee plants coming from crosses between divergent populations is particularly relevant for the success of breeding programs. This study aimed to outline the best selection strategy in a hybrid population of Coffea canephora var. kouilou and robusta by estimating intrapopulation genetic parameters. Twenty full-sib progenies obtained by North Caroline II were installed in a randomized complete blocks design, with one plant per elementary plot. The following traits were evaluated: vegetative vigor, reaction to rust, plant height, diameter of canopy projection, maturity time, and bean yield. Significant individual genotypic variance and heritability estimates lead to an effective selection. The multi-trait selection index carried out between progenies and at individual level provided 5% and 40% gain, respectively. Thus, intrapopulation selection in a hybrid population is a viable strategy for the selection of superior individuals to compose new crosses and clones for cultivars in the breeding program of C. canephora, even with unbalanced data.Instituto Agronômico de Campinas2019-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000100052Bragantia v.78 n.1 2019reponame:Bragantiainstname:Instituto Agronômico de Campinas (IAC)instacron:IAC10.1590/1678-4499.2018124info:eu-repo/semantics/openAccessCarvalho,Humberto FanelliSilva,Felipe Lopes daResende,Marcos Deon Vilela deBhering,Leonardo Lopeseng2019-02-26T00:00:00Zoai:scielo:S0006-87052019000100052Revistahttps://www.scielo.br/j/brag/https://old.scielo.br/oai/scielo-oai.phpbragantia@iac.sp.gov.br||bragantia@iac.sp.gov.br1678-44990006-8705opendoar:2019-02-26T00:00Bragantia - Instituto Agronômico de Campinas (IAC)false |
dc.title.none.fl_str_mv |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee |
title |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee |
spellingShingle |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee Carvalho,Humberto Fanelli mixed models multi-trait index intrapopulation selection Coffea canephora |
title_short |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee |
title_full |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee |
title_fullStr |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee |
title_full_unstemmed |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee |
title_sort |
Selection and genetic parameters for interpopulation hybrids between kouilou and robusta coffee |
author |
Carvalho,Humberto Fanelli |
author_facet |
Carvalho,Humberto Fanelli Silva,Felipe Lopes da Resende,Marcos Deon Vilela de Bhering,Leonardo Lopes |
author_role |
author |
author2 |
Silva,Felipe Lopes da Resende,Marcos Deon Vilela de Bhering,Leonardo Lopes |
author2_role |
author author author |
dc.contributor.author.fl_str_mv |
Carvalho,Humberto Fanelli Silva,Felipe Lopes da Resende,Marcos Deon Vilela de Bhering,Leonardo Lopes |
dc.subject.por.fl_str_mv |
mixed models multi-trait index intrapopulation selection Coffea canephora |
topic |
mixed models multi-trait index intrapopulation selection Coffea canephora |
description |
ABSTRACT Selection of hybrid coffee plants coming from crosses between divergent populations is particularly relevant for the success of breeding programs. This study aimed to outline the best selection strategy in a hybrid population of Coffea canephora var. kouilou and robusta by estimating intrapopulation genetic parameters. Twenty full-sib progenies obtained by North Caroline II were installed in a randomized complete blocks design, with one plant per elementary plot. The following traits were evaluated: vegetative vigor, reaction to rust, plant height, diameter of canopy projection, maturity time, and bean yield. Significant individual genotypic variance and heritability estimates lead to an effective selection. The multi-trait selection index carried out between progenies and at individual level provided 5% and 40% gain, respectively. Thus, intrapopulation selection in a hybrid population is a viable strategy for the selection of superior individuals to compose new crosses and clones for cultivars in the breeding program of C. canephora, even with unbalanced data. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-03-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000100052 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000100052 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/1678-4499.2018124 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Instituto Agronômico de Campinas |
publisher.none.fl_str_mv |
Instituto Agronômico de Campinas |
dc.source.none.fl_str_mv |
Bragantia v.78 n.1 2019 reponame:Bragantia instname:Instituto Agronômico de Campinas (IAC) instacron:IAC |
instname_str |
Instituto Agronômico de Campinas (IAC) |
instacron_str |
IAC |
institution |
IAC |
reponame_str |
Bragantia |
collection |
Bragantia |
repository.name.fl_str_mv |
Bragantia - Instituto Agronômico de Campinas (IAC) |
repository.mail.fl_str_mv |
bragantia@iac.sp.gov.br||bragantia@iac.sp.gov.br |
_version_ |
1754193306785415168 |