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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
10/10/2014 |
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Data da última atualização: |
10/10/2014 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
MARTINI, L. F. D.; BURGOS, N. R.; NOLDIN, J. A.; AVILA, L. A. |
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Título: |
Effect of BISPYRIBAC-SODIUM and cold stress on gene expression of rice seedlings. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DA CIÊNCIA DAS PLANTAS DANINHAS, 29., 2014, Gramado, RS. Anais... Londrina, PR: Sociedade Brasileira da Ciêcia das Plantas Daninhas, 2014. |
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Idioma: |
Português |
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Conteúdo: |
Abiotic stresses are the main factors that restrict some areas to practice agriculture worldwide. Rice, a staple food for more than half of the world?s population, has limited tolerance to cold stress. In subtropical areas, early planting exposes rice seedlings to cold stress which impairs their development, turning them more vulnerable to other stresses such as herbicide injury. The objective of this study was to evaluate the effect of cold stress combined with bispyribac-sodium application on molecular patterns of rice seedlings. A growth chamber experiment was conducted twice in 2012 at University of Arkansas, Fayetteville, AR, US. The treatments were composed by: factor A - rice cultivars: IRGA 424 (cold tolerant) and EPAGRI 109 (cold susceptible); factor B - bispyribac-sodium application and a untreated check; and factor C - cold for two days before herbicide spray (short term acclimation), cold for two days immediately after spray (non-acclimated plants); cold since emergence (long term acclimation) and a warm check. Quantitative gene expression at 48 hours after herbicide application (HAT) of OsRAN2 and OsFAD8 - cold; OsGSTL2 and CYP72A21 - herbicide related markers were recorded. OsRAN2 and OsGSTL2 showed good response to cold, herbicide and cultivars, characterizing a cross-talk and indicating that these |
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Palavras-Chave: |
Arroz; cross-talk; herbicide metabolism; reactive oxygen species. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02046naa a2200205 a 4500
001 1121942
005 2014-10-10
008 2014 bl uuuu u00u1 u #d
100 1 $aMARTINI, L. F. D.
245 $aEffect of BISPYRIBAC-SODIUM and cold stress on gene expression of rice seedlings.$h[electronic resource]
260 $c2014
520 $aAbiotic stresses are the main factors that restrict some areas to practice agriculture worldwide. Rice, a staple food for more than half of the world?s population, has limited tolerance to cold stress. In subtropical areas, early planting exposes rice seedlings to cold stress which impairs their development, turning them more vulnerable to other stresses such as herbicide injury. The objective of this study was to evaluate the effect of cold stress combined with bispyribac-sodium application on molecular patterns of rice seedlings. A growth chamber experiment was conducted twice in 2012 at University of Arkansas, Fayetteville, AR, US. The treatments were composed by: factor A - rice cultivars: IRGA 424 (cold tolerant) and EPAGRI 109 (cold susceptible); factor B - bispyribac-sodium application and a untreated check; and factor C - cold for two days before herbicide spray (short term acclimation), cold for two days immediately after spray (non-acclimated plants); cold since emergence (long term acclimation) and a warm check. Quantitative gene expression at 48 hours after herbicide application (HAT) of OsRAN2 and OsFAD8 - cold; OsGSTL2 and CYP72A21 - herbicide related markers were recorded. OsRAN2 and OsGSTL2 showed good response to cold, herbicide and cultivars, characterizing a cross-talk and indicating that these
653 $aArroz
653 $across-talk
653 $aherbicide metabolism
653 $areactive oxygen species
700 1 $aBURGOS, N. R.
700 1 $aNOLDIN, J. A.
700 1 $aAVILA, L. A.
773 $tIn: CONGRESSO BRASILEIRO DA CIÊNCIA DAS PLANTAS DANINHAS, 29., 2014, Gramado, RS. Anais... Londrina, PR: Sociedade Brasileira da Ciêcia das Plantas Daninhas, 2014.
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Epagri-Sede (Epagri-Sede) |
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 | Acesso ao texto completo restrito à biblioteca da Epagri-Sede. Para informações adicionais entre em contato com biblio@epagri.sc.gov.br. |
Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
20/11/2008 |
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Data da última atualização: |
20/11/2008 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
-- - -- |
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Autoria: |
SIMON, A. A. |
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Afiliação: |
Epagri |
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Título: |
Sistematizacao de processos participativos: o caso de Santa Catarina. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Revista Brasileira de Agroecologia, Porto Alegre, v. 2, n.1, fev. 2007. |
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Idioma: |
Português |
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Palavras-Chave: |
Extensao rural; Processo participativo; Santa Catarina; Sistematizacao. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00478naa a2200157 a 4500
001 1061066
005 2008-11-20
008 2007 bl --- 0-- u #d
100 1 $aSIMON, A. A.
245 $aSistematizacao de processos participativos$bo caso de Santa Catarina.
260 $c2007
653 $aExtensao rural
653 $aProcesso participativo
653 $aSanta Catarina
653 $aSistematizacao
773 $tRevista Brasileira de Agroecologia, Porto Alegre$gv. 2, n.1, fev. 2007.
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