Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies

Detalhes bibliográficos
Autor(a) principal: Pita, Francisco Antônio de Oliveira
Data de Publicação: 2014
Outros Autores: Junqueira, Nilton T.V., Alfenas, Acelino Couto, Cano, Marco Antônio Oliva
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/13608
Resumo: Three progenies of Hevea, with different levels of resistance to isolation of M. ulei (UNA) were studied. The progenies were: Fx 25 (moderately susceptible), Fx 2804 (highly susceptible) and P10 (resistant). The inoculation was made at the fourth flushing, with six to eight day-old leaflets. The progenies were maintained in a growth chamber. After 24, 72 and 144 hours, inoculated and noninoculated leaflets were collected to determine phenol, anthocyanin and chlorophyll contents. Progenies Fx 25 and Fx 2804 showed low phenol levels, decreasing levels of chlorophyll and a great number of injuries and sporulation. Progenie P10 showed high levels of phenol and chlorophyll, compared to the control. It did not show any injury. The anthocyanin levels decreased in all progenies. Consequently, Hevea resistance to M. ulei infection seems to be related to variations of leaf phenol levels.
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spelling Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progeniesRegulação fenólica da resistência à infecção por Microcyclus ulei Henn v. Arx em progênie de Hevea.anthocyanin; chlorophyll phenol; leaf; injury.antocianina; clorofila fenol; folha; lesãoThree progenies of Hevea, with different levels of resistance to isolation of M. ulei (UNA) were studied. The progenies were: Fx 25 (moderately susceptible), Fx 2804 (highly susceptible) and P10 (resistant). The inoculation was made at the fourth flushing, with six to eight day-old leaflets. The progenies were maintained in a growth chamber. After 24, 72 and 144 hours, inoculated and noninoculated leaflets were collected to determine phenol, anthocyanin and chlorophyll contents. Progenies Fx 25 and Fx 2804 showed low phenol levels, decreasing levels of chlorophyll and a great number of injuries and sporulation. Progenie P10 showed high levels of phenol and chlorophyll, compared to the control. It did not show any injury. The anthocyanin levels decreased in all progenies. Consequently, Hevea resistance to M. ulei infection seems to be related to variations of leaf phenol levels.Foram estudadas três progênies de seringueira, com diferentes níveis de resistência ao isolamento de M. ulei, denominado UNA: Fx 25 (moderadamente suscetível), Fx 2804 (altamente suscetível) e P10 (resistente). A inoculação foi realizada no quarto lançamento, com folfolos de seis a oito dias de idade. As progênies foram mantidas em câmara de crescimento. Após 24, 72 e 144 horas foram feitas coletas dos folíolos inoculados e não inoculados e realizou-se a quantificação do teor de fenóis, antocianina e clorofila. Observou-se que as progênies Fx 25 e Fx 2804 apresentaram baixos níveis de fenóis e decréscimo no nível de clorofila, grande número de lesões e esporulação. A progênie P10 apresentou alto teor de fenóis com relação à testemunha, bem como de clorofila, não apresentando lesões. O nível de antocianina decresceu em todas as progênies. Assim, a resistência da seringueira à infecção por M. ulei parece estar associada à variação do teor de fenóis em suas folhas.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraPita, Francisco Antônio de OliveiraJunqueira, Nilton T.V.Alfenas, Acelino CoutoCano, Marco Antônio Oliva2014-04-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/13608Pesquisa Agropecuaria Brasileira; v.25, n.8, ago. 1990; 1193-1200Pesquisa Agropecuária Brasileira; v.25, n.8, ago. 1990; 1193-12001678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/13608/7715info:eu-repo/semantics/openAccess2014-04-17T14:39:57Zoai:ojs.seer.sct.embrapa.br:article/13608Revistahttp://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 Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
Regulação fenólica da resistência à infecção por Microcyclus ulei Henn v. Arx em progênie de Hevea.
title Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
spellingShingle Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
Pita, Francisco Antônio de Oliveira
anthocyanin; chlorophyll phenol; leaf; injury.
antocianina; clorofila fenol; folha; lesão
title_short Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
title_full Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
title_fullStr Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
title_full_unstemmed Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
title_sort Phenolic regulation of resistance to Microcyclus ulei Henn v. Arx. infection in Hevea progenies
author Pita, Francisco Antônio de Oliveira
author_facet Pita, Francisco Antônio de Oliveira
Junqueira, Nilton T.V.
Alfenas, Acelino Couto
Cano, Marco Antônio Oliva
author_role author
author2 Junqueira, Nilton T.V.
Alfenas, Acelino Couto
Cano, Marco Antônio Oliva
author2_role author
author
author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Pita, Francisco Antônio de Oliveira
Junqueira, Nilton T.V.
Alfenas, Acelino Couto
Cano, Marco Antônio Oliva
dc.subject.por.fl_str_mv anthocyanin; chlorophyll phenol; leaf; injury.
antocianina; clorofila fenol; folha; lesão
topic anthocyanin; chlorophyll phenol; leaf; injury.
antocianina; clorofila fenol; folha; lesão
description Three progenies of Hevea, with different levels of resistance to isolation of M. ulei (UNA) were studied. The progenies were: Fx 25 (moderately susceptible), Fx 2804 (highly susceptible) and P10 (resistant). The inoculation was made at the fourth flushing, with six to eight day-old leaflets. The progenies were maintained in a growth chamber. After 24, 72 and 144 hours, inoculated and noninoculated leaflets were collected to determine phenol, anthocyanin and chlorophyll contents. Progenies Fx 25 and Fx 2804 showed low phenol levels, decreasing levels of chlorophyll and a great number of injuries and sporulation. Progenie P10 showed high levels of phenol and chlorophyll, compared to the control. It did not show any injury. The anthocyanin levels decreased in all progenies. Consequently, Hevea resistance to M. ulei infection seems to be related to variations of leaf phenol levels.
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/13608
url https://seer.sct.embrapa.br/index.php/pab/article/view/13608
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/13608/7715
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; 1193-1200
Pesquisa Agropecuária Brasileira; v.25, n.8, ago. 1990; 1193-1200
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)
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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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