Resistance to Fusarium dry root rot disease in cassava accessions

Detalhes bibliográficos
Autor(a) principal: Oliveira, Saulo Alves Santos de
Data de Publicação: 2013
Outros Autores: Hohenfeld, Camila Santiago, Santos, Vanderlei da Silva, Haddad, Fernando, Oliveira, Eder Jorge de
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/16957
Resumo: The objective of this work was to identify sources of resistance to dry root rot induced by Fusarium sp. in cassava accessions. A macroconidial suspension (20 µL) of 11 Fusarium sp. isolates was inoculated in cassava roots, from 353 acessions plus seven commercial varieties. Ten days after inoculation, the total area colonized by the pathogen on the root pulp was evaluated by digital image analysis. Cluster analysis revealed the presence of five groups regarding resistance. The root lesion areas ranged from 18.28 to 1,096.07 mm2 for the accessions BGM 1518 and BGM 556, respectively. The genotypes BGM 1042, BGM 1552, BGM 1586, BGM 1598, and BGM 1692 present the best agronomical traits.
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spelling Resistance to Fusarium dry root rot disease in cassava accessionsResistência à podridão seca das raízes ocasionada por Fusarium em acessos de mandiocaManihot esculenta; bioprospection; germplasm bank; screening for resistanceManihot esculenta; bioprospecção; banco de germoplasma; seleção para resistênciaThe objective of this work was to identify sources of resistance to dry root rot induced by Fusarium sp. in cassava accessions. A macroconidial suspension (20 µL) of 11 Fusarium sp. isolates was inoculated in cassava roots, from 353 acessions plus seven commercial varieties. Ten days after inoculation, the total area colonized by the pathogen on the root pulp was evaluated by digital image analysis. Cluster analysis revealed the presence of five groups regarding resistance. The root lesion areas ranged from 18.28 to 1,096.07 mm2 for the accessions BGM 1518 and BGM 556, respectively. The genotypes BGM 1042, BGM 1552, BGM 1586, BGM 1598, and BGM 1692 present the best agronomical traits.O objetivo deste trabalho foi identificar fontes de resistência à podridão seca das raízes ocasionada por Fusarium sp. em acessos de mandioca. Inoculou-se uma suspensão (20 µL) de macroconídios de 11 isolados de Fusarium sp. em raízes de 353 acessos e sete variedades comerciais de mandioca. Dez dias após a inoculação, avaliou-se a área total colonizada pelo patógeno na polpa das raízes, por meio de análise de imagens digitais. A análise de agrupamento revelou a presença de cinco grupos quanto à resistência. As áreas lesionadas das raízes variaram de 18,28 a 1.096,07 mm2 nos acessos BGM 1518 e BGM 556, respectivamente. Os genótipos BGM 1042, BGM 1552, BGM 1586, BGM 1598 e BGM 1692 apresentam as melhores características agronômicas.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraEMBRAPA e Inter-American Development Bank (IDB)Oliveira, Saulo Alves Santos deHohenfeld, Camila SantiagoSantos, Vanderlei da SilvaHaddad, FernandoOliveira, Eder Jorge de2013-12-20info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/16957Pesquisa Agropecuaria Brasileira; v.48, n.10, out. 2013; 1414-1417Pesquisa Agropecuária Brasileira; v.48, n.10, out. 2013; 1414-14171678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAenghttps://seer.sct.embrapa.br/index.php/pab/article/view/16957/12433https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/16957/10414info:eu-repo/semantics/openAccess2014-03-13T19:14:54Zoai:ojs.seer.sct.embrapa.br:article/16957Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-03-13T19:14:54Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Resistance to Fusarium dry root rot disease in cassava accessions
Resistência à podridão seca das raízes ocasionada por Fusarium em acessos de mandioca
title Resistance to Fusarium dry root rot disease in cassava accessions
spellingShingle Resistance to Fusarium dry root rot disease in cassava accessions
Oliveira, Saulo Alves Santos de
Manihot esculenta; bioprospection; germplasm bank; screening for resistance
Manihot esculenta; bioprospecção; banco de germoplasma; seleção para resistência
title_short Resistance to Fusarium dry root rot disease in cassava accessions
title_full Resistance to Fusarium dry root rot disease in cassava accessions
title_fullStr Resistance to Fusarium dry root rot disease in cassava accessions
title_full_unstemmed Resistance to Fusarium dry root rot disease in cassava accessions
title_sort Resistance to Fusarium dry root rot disease in cassava accessions
author Oliveira, Saulo Alves Santos de
author_facet Oliveira, Saulo Alves Santos de
Hohenfeld, Camila Santiago
Santos, Vanderlei da Silva
Haddad, Fernando
Oliveira, Eder Jorge de
author_role author
author2 Hohenfeld, Camila Santiago
Santos, Vanderlei da Silva
Haddad, Fernando
Oliveira, Eder Jorge de
author2_role author
author
author
author
dc.contributor.none.fl_str_mv EMBRAPA e Inter-American Development Bank (IDB)
dc.contributor.author.fl_str_mv Oliveira, Saulo Alves Santos de
Hohenfeld, Camila Santiago
Santos, Vanderlei da Silva
Haddad, Fernando
Oliveira, Eder Jorge de
dc.subject.por.fl_str_mv Manihot esculenta; bioprospection; germplasm bank; screening for resistance
Manihot esculenta; bioprospecção; banco de germoplasma; seleção para resistência
topic Manihot esculenta; bioprospection; germplasm bank; screening for resistance
Manihot esculenta; bioprospecção; banco de germoplasma; seleção para resistência
description The objective of this work was to identify sources of resistance to dry root rot induced by Fusarium sp. in cassava accessions. A macroconidial suspension (20 µL) of 11 Fusarium sp. isolates was inoculated in cassava roots, from 353 acessions plus seven commercial varieties. Ten days after inoculation, the total area colonized by the pathogen on the root pulp was evaluated by digital image analysis. Cluster analysis revealed the presence of five groups regarding resistance. The root lesion areas ranged from 18.28 to 1,096.07 mm2 for the accessions BGM 1518 and BGM 556, respectively. The genotypes BGM 1042, BGM 1552, BGM 1586, BGM 1598, and BGM 1692 present the best agronomical traits.
publishDate 2013
dc.date.none.fl_str_mv 2013-12-20
dc.type.none.fl_str_mv
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://seer.sct.embrapa.br/index.php/pab/article/view/16957
url https://seer.sct.embrapa.br/index.php/pab/article/view/16957
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/16957/12433
https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/16957/10414
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.48, n.10, out. 2013; 1414-1417
Pesquisa Agropecuária Brasileira; v.48, n.10, out. 2013; 1414-1417
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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