Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah.
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
Texto Completo: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1136187 |
Resumo: | Abstract The success of barley (Hordeum vulgare L.) cultivation and its adaptation to cropping systems relies on the knowledge and utilization of existing variability in germplasm banks. The objective of this work was to analyse diversity among pre-selected barley accessions to organize a working collection and to identify genotypes for a breeding program for irrigated barley in the Brazilian Savannah. The field experiment was conducted under irrigation in Planaltina, DF, Brazil. The plant population consisted of 433 accessions plus BRS 180 and BRS 195 as checks. The accessions were evaluated using fifteen morpho agronomic descriptors, in which 11 quantitative and four discrete. The interpolated control design was used for the statistical analysis. A genetic distance matrix was calculated using Gower?s coefficient. From the matrix, a grouping analysis was conducted, using the optimizing Tocher method and the graphic dispersion distance. The genetic distances varied between 0.025 and 0.572, with a mean of 0.256. The accessions were distributed in 18 groups by the Tocher method, which was directly related to the graphic dispersion. The existing genetic divergence in the collection under study helped the definition of accessions in crossing blocks from breeding programs directed to the savannah environment. |
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Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah.Hordeum VulgareBanco de GermoplasmaRecurso GenéticoPlant genetic resourcesGenetic distanceAbstract The success of barley (Hordeum vulgare L.) cultivation and its adaptation to cropping systems relies on the knowledge and utilization of existing variability in germplasm banks. The objective of this work was to analyse diversity among pre-selected barley accessions to organize a working collection and to identify genotypes for a breeding program for irrigated barley in the Brazilian Savannah. The field experiment was conducted under irrigation in Planaltina, DF, Brazil. The plant population consisted of 433 accessions plus BRS 180 and BRS 195 as checks. The accessions were evaluated using fifteen morpho agronomic descriptors, in which 11 quantitative and four discrete. The interpolated control design was used for the statistical analysis. A genetic distance matrix was calculated using Gower?s coefficient. From the matrix, a grouping analysis was conducted, using the optimizing Tocher method and the graphic dispersion distance. The genetic distances varied between 0.025 and 0.572, with a mean of 0.256. The accessions were distributed in 18 groups by the Tocher method, which was directly related to the graphic dispersion. The existing genetic divergence in the collection under study helped the definition of accessions in crossing blocks from breeding programs directed to the savannah environment.VITOR ANTUNES MONTEIRO; RENATO FERNANDO AMABILE, CPAC; CARLOS ROBERTO SPEHAR; FABIO GELAPE FALEIRO, CPAC; EDUARDO ALANO VIEIRA, CPAC; JOSÉ RICARDO PEIXOTO; WALTER QUADROS RIBEIRO JUNIOR, CPAC; ANA PAULA LEITE MONTALVÃO.MONTEIRO, V. A.AMABILE, R. F.SPEHAR, C. R.FALEIRO, F. G.VIEIRA, E. A.PEIXOTO, J. R.RIBEIRO JUNIOR, W. Q.MONTALVÃO, A. N. L.2021-11-17T02:10:08Z2021-11-17T02:10:08Z2021-11-162020info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleAustralian Journal of Crop Science, v. 14, n. 9, p. 1385-1393, 2020.http://www.alice.cnptia.embrapa.br/alice/handle/doc/1136187enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2021-11-17T02:10:18Zoai:www.alice.cnptia.embrapa.br:doc/1136187Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542021-11-17T02:10:18falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542021-11-17T02:10:18Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. |
title |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. |
spellingShingle |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. MONTEIRO, V. A. Hordeum Vulgare Banco de Germoplasma Recurso Genético Plant genetic resources Genetic distance |
title_short |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. |
title_full |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. |
title_fullStr |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. |
title_full_unstemmed |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. |
title_sort |
Genetic diversity among 435 barley accessions based in morpho-agronomical characteristics under irrigation in the Brazilian savannah. |
author |
MONTEIRO, V. A. |
author_facet |
MONTEIRO, V. A. AMABILE, R. F. SPEHAR, C. R. FALEIRO, F. G. VIEIRA, E. A. PEIXOTO, J. R. RIBEIRO JUNIOR, W. Q. MONTALVÃO, A. N. L. |
author_role |
author |
author2 |
AMABILE, R. F. SPEHAR, C. R. FALEIRO, F. G. VIEIRA, E. A. PEIXOTO, J. R. RIBEIRO JUNIOR, W. Q. MONTALVÃO, A. N. L. |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
VITOR ANTUNES MONTEIRO; RENATO FERNANDO AMABILE, CPAC; CARLOS ROBERTO SPEHAR; FABIO GELAPE FALEIRO, CPAC; EDUARDO ALANO VIEIRA, CPAC; JOSÉ RICARDO PEIXOTO; WALTER QUADROS RIBEIRO JUNIOR, CPAC; ANA PAULA LEITE MONTALVÃO. |
dc.contributor.author.fl_str_mv |
MONTEIRO, V. A. AMABILE, R. F. SPEHAR, C. R. FALEIRO, F. G. VIEIRA, E. A. PEIXOTO, J. R. RIBEIRO JUNIOR, W. Q. MONTALVÃO, A. N. L. |
dc.subject.por.fl_str_mv |
Hordeum Vulgare Banco de Germoplasma Recurso Genético Plant genetic resources Genetic distance |
topic |
Hordeum Vulgare Banco de Germoplasma Recurso Genético Plant genetic resources Genetic distance |
description |
Abstract The success of barley (Hordeum vulgare L.) cultivation and its adaptation to cropping systems relies on the knowledge and utilization of existing variability in germplasm banks. The objective of this work was to analyse diversity among pre-selected barley accessions to organize a working collection and to identify genotypes for a breeding program for irrigated barley in the Brazilian Savannah. The field experiment was conducted under irrigation in Planaltina, DF, Brazil. The plant population consisted of 433 accessions plus BRS 180 and BRS 195 as checks. The accessions were evaluated using fifteen morpho agronomic descriptors, in which 11 quantitative and four discrete. The interpolated control design was used for the statistical analysis. A genetic distance matrix was calculated using Gower?s coefficient. From the matrix, a grouping analysis was conducted, using the optimizing Tocher method and the graphic dispersion distance. The genetic distances varied between 0.025 and 0.572, with a mean of 0.256. The accessions were distributed in 18 groups by the Tocher method, which was directly related to the graphic dispersion. The existing genetic divergence in the collection under study helped the definition of accessions in crossing blocks from breeding programs directed to the savannah environment. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020 2021-11-17T02:10:08Z 2021-11-17T02:10:08Z 2021-11-16 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Australian Journal of Crop Science, v. 14, n. 9, p. 1385-1393, 2020. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1136187 |
identifier_str_mv |
Australian Journal of Crop Science, v. 14, n. 9, p. 1385-1393, 2020. |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1136187 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
collection |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository.name.fl_str_mv |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
cg-riaa@embrapa.br |
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1794503512354193408 |