Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes

Detalhes bibliográficos
Autor(a) principal: Vaz, Daniela da Costa
Data de Publicação: 2017
Outros Autores: Morais Júnior, Odilon Peixoto de, Peixoto, Nei
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Pesquisa Agropecuária Tropical (Online)
Texto Completo: https://revistas.ufg.br/pat/article/view/43525
Resumo: The characterization and identification of genetically divergent parents for crosses are important tasks in snap bean breeding programs, for a greater availability of cultivars to growers. This study aimed at characterizing bush snap bean genotypes originating from different countries; assessing the genetic divergence between the genotypes and the genetic variability extent, concerning 12 agro-morphological traits; and determining the relative importance of these traits for the genetic divergence. The experiment was conducted in a randomized complete block design, with 29 genotypes and four replications. The UPGMA and Tocher optimization methods, both based on the generalized distance of Mahalanobis, and the canonical variables method were used to analyze the genetic divergence. The genotypes exhibited a wide range of genetic variability for the agro-morphological traits evaluated, mainly for 100-seed weight, aspect and yield of commercial pods, plant height at harvest and pod weight. A high genetic divergence was detected between the genotypes, in which the 100-seed weight and aspect of commercial pods were the most important traits for clustering. Some genotypes own desirable characteristics for these and other traits, given the favorable genetic associations between traits. The snap bean genotypes originated from different countries tended to cluster together, indicating that similar germplasm is shared among different countries, thus suggesting a strong trans-national seed exchange.
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spelling Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypesCaracterização agromorfológica e avaliação de divergência genética em genótipos de feijão-vagem arbustivoPhaseolus vulgarisyield and aspect of commercial podsgenetic variability.Phaseolus vulgarisprodutividade e aspecto de vagens comerciáveisvariabilidade genética.The characterization and identification of genetically divergent parents for crosses are important tasks in snap bean breeding programs, for a greater availability of cultivars to growers. This study aimed at characterizing bush snap bean genotypes originating from different countries; assessing the genetic divergence between the genotypes and the genetic variability extent, concerning 12 agro-morphological traits; and determining the relative importance of these traits for the genetic divergence. The experiment was conducted in a randomized complete block design, with 29 genotypes and four replications. The UPGMA and Tocher optimization methods, both based on the generalized distance of Mahalanobis, and the canonical variables method were used to analyze the genetic divergence. The genotypes exhibited a wide range of genetic variability for the agro-morphological traits evaluated, mainly for 100-seed weight, aspect and yield of commercial pods, plant height at harvest and pod weight. A high genetic divergence was detected between the genotypes, in which the 100-seed weight and aspect of commercial pods were the most important traits for clustering. Some genotypes own desirable characteristics for these and other traits, given the favorable genetic associations between traits. The snap bean genotypes originated from different countries tended to cluster together, indicating that similar germplasm is shared among different countries, thus suggesting a strong trans-national seed exchange.A caracterização e a identificação de genitores geneticamente divergentes para cruzamentos são tarefas importantes em programas de melhoramento de feijão-vagem, para maior disponibilidade de cultivares aos produtores. Objetivou-se caracterizar genótipos de feijão-vagem arbustivo de diferentes países de origem; avaliar a divergência genética entre os genótipos e a extensão da variabilidade genética, em relação a 12 caracteres agro-morfológicos; e determinar a importância relativa desses caracteres para a divergência genética. O experimento foi conduzido em delineamento de blocos completos ao acaso, com 29 genótipos e quatro repetições. Para a análise de diversidade genética, foram empregados os métodos de otimização de Tocher e UPGMA, com base em distância generalizada de Mahalanobis, e o método de variáveis canônicas. Os genótipos apresentaram ampla variabilidade genética para os caracteres avaliados, principalmente para peso de 100 sementes, aspecto e rendimento de vagens comerciáveis, altura da planta na colheita e peso das vagens. Alta divergência genética foi detectada entre os genótipos, nos quais o peso de 100 sementes e o aspecto de vagens comerciáveis foram os caracteres mais importantes para o agrupamento. Alguns genótipos possuem características desejáveis para estes e outros caracteres, tendo-se em conta as associações genéticas favoráveis entre os mesmos. Os genótipos de feijão-vagem de diferentes países de origem tenderam a se agrupar, indicando que germoplasma semelhante é compartilhado entre diferentes países, sugerindo, assim, uma forte troca transnacional de sementes.Escola de Agronomia - Universidade Federal de Goiás2017-05-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por paresapplication/pdfhttps://revistas.ufg.br/pat/article/view/43525Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 47, n. 2, Apr./Jun. 2017; 134-144Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 47, n. 2, abr./jun. 2017; 134-144Pesquisa Agropecuária Tropical; v. 47, n. 2, abr./jun. 2017; 134-1441983-4063reponame:Pesquisa Agropecuária Tropical (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGenghttps://revistas.ufg.br/pat/article/view/43525/23138Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)info:eu-repo/semantics/openAccessVaz, Daniela da CostaMorais Júnior, Odilon Peixoto dePeixoto, Nei2020-07-13T18:32:51Zoai:ojs.revistas.ufg.br:article/43525Revistahttps://revistas.ufg.br/patPUBhttps://revistas.ufg.br/pat/oaiaseleguini.pat@gmail.com||mgoes@agro.ufg.br1983-40631517-6398opendoar:2024-05-21T19:56:15.724341Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
Caracterização agromorfológica e avaliação de divergência genética em genótipos de feijão-vagem arbustivo
title Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
spellingShingle Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
Vaz, Daniela da Costa
Phaseolus vulgaris
yield and aspect of commercial pods
genetic variability.
Phaseolus vulgaris
produtividade e aspecto de vagens comerciáveis
variabilidade genética.
title_short Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
title_full Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
title_fullStr Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
title_full_unstemmed Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
title_sort Agro-morphological characterization and genetic divergence assessment in bush snap bean genotypes
author Vaz, Daniela da Costa
author_facet Vaz, Daniela da Costa
Morais Júnior, Odilon Peixoto de
Peixoto, Nei
author_role author
author2 Morais Júnior, Odilon Peixoto de
Peixoto, Nei
author2_role author
author
dc.contributor.author.fl_str_mv Vaz, Daniela da Costa
Morais Júnior, Odilon Peixoto de
Peixoto, Nei
dc.subject.por.fl_str_mv Phaseolus vulgaris
yield and aspect of commercial pods
genetic variability.
Phaseolus vulgaris
produtividade e aspecto de vagens comerciáveis
variabilidade genética.
topic Phaseolus vulgaris
yield and aspect of commercial pods
genetic variability.
Phaseolus vulgaris
produtividade e aspecto de vagens comerciáveis
variabilidade genética.
description The characterization and identification of genetically divergent parents for crosses are important tasks in snap bean breeding programs, for a greater availability of cultivars to growers. This study aimed at characterizing bush snap bean genotypes originating from different countries; assessing the genetic divergence between the genotypes and the genetic variability extent, concerning 12 agro-morphological traits; and determining the relative importance of these traits for the genetic divergence. The experiment was conducted in a randomized complete block design, with 29 genotypes and four replications. The UPGMA and Tocher optimization methods, both based on the generalized distance of Mahalanobis, and the canonical variables method were used to analyze the genetic divergence. The genotypes exhibited a wide range of genetic variability for the agro-morphological traits evaluated, mainly for 100-seed weight, aspect and yield of commercial pods, plant height at harvest and pod weight. A high genetic divergence was detected between the genotypes, in which the 100-seed weight and aspect of commercial pods were the most important traits for clustering. Some genotypes own desirable characteristics for these and other traits, given the favorable genetic associations between traits. The snap bean genotypes originated from different countries tended to cluster together, indicating that similar germplasm is shared among different countries, thus suggesting a strong trans-national seed exchange.
publishDate 2017
dc.date.none.fl_str_mv 2017-05-30
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Avaliado por pares
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufg.br/pat/article/view/43525
url https://revistas.ufg.br/pat/article/view/43525
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://revistas.ufg.br/pat/article/view/43525/23138
dc.rights.driver.fl_str_mv Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Escola de Agronomia - Universidade Federal de Goiás
publisher.none.fl_str_mv Escola de Agronomia - Universidade Federal de Goiás
dc.source.none.fl_str_mv Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 47, n. 2, Apr./Jun. 2017; 134-144
Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 47, n. 2, abr./jun. 2017; 134-144
Pesquisa Agropecuária Tropical; v. 47, n. 2, abr./jun. 2017; 134-144
1983-4063
reponame:Pesquisa Agropecuária Tropical (Online)
instname:Universidade Federal de Goiás (UFG)
instacron:UFG
instname_str Universidade Federal de Goiás (UFG)
instacron_str UFG
institution UFG
reponame_str Pesquisa Agropecuária Tropical (Online)
collection Pesquisa Agropecuária Tropical (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG)
repository.mail.fl_str_mv aseleguini.pat@gmail.com||mgoes@agro.ufg.br
_version_ 1799874819469082624

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