Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Ciência Rural |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000400402 |
Resumo: | ABSTRACT: The objective of this research was to quantify the genetic divergence of potential Coffea canephora parents, with the goal of developing progenies that associate the best traits of the Conilon and Robusta botanical varieties for hybrid vigor expression. Thus, 10 morphological and productive characteristics of 130 clones of Conilon and Robusta botanical varieties and their intervarietal hybrids were evaluated over 2 years. The experiment was conducted in a randomized block design with four replicates of four plants per plot. For selection of parents, the main component analysis was used to associate values with reference points obtained from the average of each botanical variety. The first two principal components allowed for the separation of the botanical varieties representing the variability contained in the original data with 76% for the first year and 69% for the second year. Although, the genotype × years interaction had significant effects, there were minor differences in the grouping from one year to the next, which is associated with the higher repeatability estimates observed in this study. It was observed that crosses with the 16-1-81I, 9-1-82L, and 13-1-61I parents of the botanical variety Robusta and the 167I, 890E, and 130I parents of the Conilon botanical variety presented greater potential for obtaining selection gains. |
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Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybridsCoffea canephoragenetic divergenceheterosisABSTRACT: The objective of this research was to quantify the genetic divergence of potential Coffea canephora parents, with the goal of developing progenies that associate the best traits of the Conilon and Robusta botanical varieties for hybrid vigor expression. Thus, 10 morphological and productive characteristics of 130 clones of Conilon and Robusta botanical varieties and their intervarietal hybrids were evaluated over 2 years. The experiment was conducted in a randomized block design with four replicates of four plants per plot. For selection of parents, the main component analysis was used to associate values with reference points obtained from the average of each botanical variety. The first two principal components allowed for the separation of the botanical varieties representing the variability contained in the original data with 76% for the first year and 69% for the second year. Although, the genotype × years interaction had significant effects, there were minor differences in the grouping from one year to the next, which is associated with the higher repeatability estimates observed in this study. It was observed that crosses with the 16-1-81I, 9-1-82L, and 13-1-61I parents of the botanical variety Robusta and the 167I, 890E, and 130I parents of the Conilon botanical variety presented greater potential for obtaining selection gains.Universidade Federal de Santa Maria2018-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000400402Ciência Rural v.48 n.4 2018reponame:Ciência Ruralinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSM10.1590/0103-8478cr20170444info:eu-repo/semantics/openAccessOliveira,Leilane Nicolino Lamarão deRocha,Rodrigo BarrosFerreira,Fábio MedeirosSpinelli,Victor MouzinhoRamalho,André RostandTeixeira,Alexsandro Laraeng2018-04-24T00:00:00ZRevista |
dc.title.none.fl_str_mv |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids |
title |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids |
spellingShingle |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids Oliveira,Leilane Nicolino Lamarão de Coffea canephora genetic divergence heterosis |
title_short |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids |
title_full |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids |
title_fullStr |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids |
title_full_unstemmed |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids |
title_sort |
Selection of Coffea canephora parents from the botanical varieties Conilon and Robusta for the production of intervarietal hybrids |
author |
Oliveira,Leilane Nicolino Lamarão de |
author_facet |
Oliveira,Leilane Nicolino Lamarão de Rocha,Rodrigo Barros Ferreira,Fábio Medeiros Spinelli,Victor Mouzinho Ramalho,André Rostand Teixeira,Alexsandro Lara |
author_role |
author |
author2 |
Rocha,Rodrigo Barros Ferreira,Fábio Medeiros Spinelli,Victor Mouzinho Ramalho,André Rostand Teixeira,Alexsandro Lara |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Oliveira,Leilane Nicolino Lamarão de Rocha,Rodrigo Barros Ferreira,Fábio Medeiros Spinelli,Victor Mouzinho Ramalho,André Rostand Teixeira,Alexsandro Lara |
dc.subject.por.fl_str_mv |
Coffea canephora genetic divergence heterosis |
topic |
Coffea canephora genetic divergence heterosis |
description |
ABSTRACT: The objective of this research was to quantify the genetic divergence of potential Coffea canephora parents, with the goal of developing progenies that associate the best traits of the Conilon and Robusta botanical varieties for hybrid vigor expression. Thus, 10 morphological and productive characteristics of 130 clones of Conilon and Robusta botanical varieties and their intervarietal hybrids were evaluated over 2 years. The experiment was conducted in a randomized block design with four replicates of four plants per plot. For selection of parents, the main component analysis was used to associate values with reference points obtained from the average of each botanical variety. The first two principal components allowed for the separation of the botanical varieties representing the variability contained in the original data with 76% for the first year and 69% for the second year. Although, the genotype × years interaction had significant effects, there were minor differences in the grouping from one year to the next, which is associated with the higher repeatability estimates observed in this study. It was observed that crosses with the 16-1-81I, 9-1-82L, and 13-1-61I parents of the botanical variety Robusta and the 167I, 890E, and 130I parents of the Conilon botanical variety presented greater potential for obtaining selection gains. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-01-01 |
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=S0103-84782018000400402 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000400402 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/0103-8478cr20170444 |
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 |
Universidade Federal de Santa Maria |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
dc.source.none.fl_str_mv |
Ciência Rural v.48 n.4 2018 reponame:Ciência Rural instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Ciência Rural |
collection |
Ciência Rural |
repository.name.fl_str_mv |
|
repository.mail.fl_str_mv |
|
_version_ |
1749140552493826048 |