Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast

Detalhes bibliográficos
Autor(a) principal: Bettiol, Wagner
Data de Publicação: 2014
Outros Autores: Kimati, Hiroshi
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/13604
Resumo: Antibiosis was the mechanism of antagonism showed by Bacilus subtilis against Pyricularia oryzae. Antibiotics secreted by B. subtilis were in vitro inhibitory to mycelial growth as well as to conidial germination. The antagonistic substances produced by B. subtilis were thermo-stable and they acted at low concentrations. In liquid medium with and without constant agitation, B. subtilis secreted metabolites in adequate concentration to inhibit totally mycelial growth of P. oryzae after one day of incubation. The capacity of B. subtilis to inhibit the mycelial growth of P. oryzae was not affected by fluorescent light and darkness, but the near ultraviolet light was prejudicial
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spelling Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blastEfeito de Bacillus subtilis sobre Pyricularia oryzae agente causal da bruzone do arrozbiological control; leaf blast; Oryza sativacontrole biológico; brusone; Oryza sativaAntibiosis was the mechanism of antagonism showed by Bacilus subtilis against Pyricularia oryzae. Antibiotics secreted by B. subtilis were in vitro inhibitory to mycelial growth as well as to conidial germination. The antagonistic substances produced by B. subtilis were thermo-stable and they acted at low concentrations. In liquid medium with and without constant agitation, B. subtilis secreted metabolites in adequate concentration to inhibit totally mycelial growth of P. oryzae after one day of incubation. The capacity of B. subtilis to inhibit the mycelial growth of P. oryzae was not affected by fluorescent light and darkness, but the near ultraviolet light was prejudicialO antagonismo apresentado por Bacillus subtilis contra a Pyricularia oryzae foi do tipo antibiose. Os antibióticos produzidos por B. subtilis inibiram, in vitro, tanto o crescimento micelial quanto a germinação de conídios de P. oryzae. Estas substâncias demonstraram ser termoestáveis e apresentaram alta eficiência em inibir o patógeno. A multiplicação de B. subtilis em meio líquido, com e sem agitação constante, liberou metabólitos em concentração suficiente para inibir completamente o crescimento micelial de P. oryzae após um dia de incubação. A capacidade de B. subtilis em inibir o crescimento micelial do agente causal da brusone do arroz foi influenciada pelas condições de luminosidade, sendo a luz fluorescente e o escuro, mais apropriados, e a próxima do ultravioleta, prejudicial.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraBettiol, WagnerKimati, Hiroshi2014-04-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/13604Pesquisa Agropecuaria Brasileira; v.25, n.8, ago. 1990; 1165-1174Pesquisa Agropecuária Brasileira; v.25, n.8, ago. 1990; 1165-11741678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/13604/7712info:eu-repo/semantics/openAccess2014-04-17T14:39:57Zoai:ojs.seer.sct.embrapa.br:article/13604Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-04-17T14:39:57Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
Efeito de Bacillus subtilis sobre Pyricularia oryzae agente causal da bruzone do arroz
title Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
spellingShingle Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
Bettiol, Wagner
biological control; leaf blast; Oryza sativa
controle biológico; brusone; Oryza sativa
title_short Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
title_full Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
title_fullStr Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
title_full_unstemmed Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
title_sort Effects of Bacillus subtilis on Pyricularia oryzae, causal agent of rice blast
author Bettiol, Wagner
author_facet Bettiol, Wagner
Kimati, Hiroshi
author_role author
author2 Kimati, Hiroshi
author2_role author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Bettiol, Wagner
Kimati, Hiroshi
dc.subject.por.fl_str_mv biological control; leaf blast; Oryza sativa
controle biológico; brusone; Oryza sativa
topic biological control; leaf blast; Oryza sativa
controle biológico; brusone; Oryza sativa
description Antibiosis was the mechanism of antagonism showed by Bacilus subtilis against Pyricularia oryzae. Antibiotics secreted by B. subtilis were in vitro inhibitory to mycelial growth as well as to conidial germination. The antagonistic substances produced by B. subtilis were thermo-stable and they acted at low concentrations. In liquid medium with and without constant agitation, B. subtilis secreted metabolites in adequate concentration to inhibit totally mycelial growth of P. oryzae after one day of incubation. The capacity of B. subtilis to inhibit the mycelial growth of P. oryzae was not affected by fluorescent light and darkness, but the near ultraviolet light was prejudicial
publishDate 2014
dc.date.none.fl_str_mv 2014-04-17
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/13604
url https://seer.sct.embrapa.br/index.php/pab/article/view/13604
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/13604/7712
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.25, n.8, ago. 1990; 1165-1174
Pesquisa Agropecuária Brasileira; v.25, n.8, ago. 1990; 1165-1174
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)
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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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