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162. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | NOLDIN, J.A.; EBERHARDT, D.S.; RAMPELOTTI, F.T. Cypreus difformis L. resistente a herbicidas inibidores da ALS em Santa Catarina. In: CONGRESSO BRASILEIRO DA CIENCIA DAS PLANTAS DANINHAS, 23., 2002, Gramado, RS. Resumos... Londrina, PR: SBCPD; Pelotas, RS: Embrapa Clima Temperado, 2002. p.198. Biblioteca(s): Epagri-Sede. |
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164. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | EBERHARDT, D. S.; NOLDIN, J. A.; STUKER, H. Dano de capim-arroz (Echinochloa spp) em arroz irrigado. In: CONGRESSO BRASILEIRO DE ARROZ IRRIGADO, 1.; REUNIÃO DA CULTURA DO ARROZ IRRIGADO, 23., 1999, Pelotas, RS. Anais... Pelotas, RS: Embrapa Clima Temperado, 1999. p. 581-584. Biblioteca(s): Epagri-Sede. |
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166. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | NOLDIN, J.A.; EBERHARDT, D.S.; RAMPELOTTI, F.T. Fimbristylis miliacea (L.) Vahl resistente a herbicidas inibidores da ALS em Santa Catarina. In: CONGRESSO BRASILEIRO DA CIENCIA DAS PLANTAS DANINHAS, 23., 2002, Gramado, RS. Resumos... Londrina, PR: SBCPD; Pelotas, RS: Embrapa Clima Temperado, 2002. p.199 Biblioteca(s): Epagri-Sede. |
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169. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ZAFFARI, G. R.; MIELKE, É.; MEDEIROS, D. S. Estratégias para propagação in vitro de espécies nativas. In: CONGRESSO BRASILEIRO DE FLORICULTURA E PLANTAS ORNAMENTAIS, 17. CONGRESSO BRASILEIRO DE CULTURA DE TECIDOS DE PLANTAS, 4., 2009, Aracajú, SE. Anais... Aracajú, SE: ABCTP, 2009. Biblioteca(s): Epagri-Sede. |
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171. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | SÁ, C. F. C. de; ARAUJO, D. S.D. de Estrutura e florística de uma floresta de restinga em Ipitangas, Saquarema, Rio de Janeiro, Brasil. Rodriguésia, Rio de Janeiro, v. 60, n. 1, p. 147-170, 2009. Biblioteca(s): Epagri-Sede. |
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173. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | ALMEIDA, D. S. de; SOUZA,A. L. de. Floristica e estrutura de um fragmento de floresta Atlantica, no Munucipio de Juiz de Fora, Minas Gerais. Revista Arvore, Vicosa, MG, v.21, n.2, p.221-230, 1997. Biblioteca(s): Epagri-Sede. |
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180. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | NOLDIN, J. A.; EBERHARDT, D. S.; ANDRADE, S.; PINHEIRO, G. Capim-arroz com resistência múltipla a herbicidas em Santa Catarina. In: CONGRESSO BRASILEIRO DE ARROZ IRRIGADO, 6.., 2009, Porto Alegre, RS. Anais... Porto Alegre, RS: Palotti, 2009. p. 308-311. Biblioteca(s): Epagri-Sede. |
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Registro Completo
Biblioteca(s): |
Epagri-Sede. |
Data corrente: |
11/03/2014 |
Data da última atualização: |
11/03/2014 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Nacional - C |
Autoria: |
SCHAEDLER, C. E.; NOLDIN, J. A.; EBERHARDT, D. S.; AGOSTINETTO, D.; BURGOS, N. R. |
Título: |
Globe fringerush (Fimbristylis miliacea) cross resistance to als-inhibitor herbicides under field conditions in irrigated rice in the South of Brazil. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Planta Daninha, Viçosa, MG, v. 31, n. 4, p. 893-902, 2013. |
Idioma: |
Português |
Conteúdo: |
ALS-inhibiting herbicides usually provide adequate weed control in irrigated rice fields. After consecutive years of use, the Cyperaceae species, globe fringerush (Fimbristylis miliacea) began to show resistance to ALS (acetolactate synthase) inhibitors. Globe fringerush is one of the most problematic herbicide-resistant weeds in irrigated rice in the state of Santa Catarina in the South of Brazil. The objective of this research was to examine cross resistance of globe fringerush to ALS inhibitors, under field conditions. Two experiments were conducted in a rice field naturally infested with ALS-resistant globe fringerush in Santa Catarina, in the 2008/09 and 2009/10 cropping seasons. The experimental units were arranged in randomized complete block design, with five replicates, consisting of two factors (herbicide and dose) in a 4 x 5 factorial arrangement. ALS herbicides included bispyribac-sodium, ethoxysulfuron, pyrazosulfuron-ethyl and penoxsulam. Six-leaf globe fringerush was sprayed with herbicide doses of 0, 0.5, 1, 2 and 4X the recommended doses in a spray volume of 200 L ha-1. The number of rice culm, filled and sterile grains, plant height, dry shoot biomass and grain yield were recorded. Globe fringerush control was evaluated 28 and 70 days after herbicide application (DAA); shoots were harvested at 13 weeks after herbicide application and dry weight recorded. Competition with globe fringerush reduced the number of culm and rice grain yield. The globe fringerush biotype in this field was resistant to all ALS herbicides tested. Penoxsulam had the highest level of activity among treatments at 28 and 70 DAA, but the control level was only 50% and 42%, respectively, in the second year of assessment. This was not enough to prevent rice yield loss. Alternative herbicides and weed control strategies are necessary to avoid yield losses in rice fields infested with ALS-resistant biotypes of globe fringerush. MenosALS-inhibiting herbicides usually provide adequate weed control in irrigated rice fields. After consecutive years of use, the Cyperaceae species, globe fringerush (Fimbristylis miliacea) began to show resistance to ALS (acetolactate synthase) inhibitors. Globe fringerush is one of the most problematic herbicide-resistant weeds in irrigated rice in the state of Santa Catarina in the South of Brazil. The objective of this research was to examine cross resistance of globe fringerush to ALS inhibitors, under field conditions. Two experiments were conducted in a rice field naturally infested with ALS-resistant globe fringerush in Santa Catarina, in the 2008/09 and 2009/10 cropping seasons. The experimental units were arranged in randomized complete block design, with five replicates, consisting of two factors (herbicide and dose) in a 4 x 5 factorial arrangement. ALS herbicides included bispyribac-sodium, ethoxysulfuron, pyrazosulfuron-ethyl and penoxsulam. Six-leaf globe fringerush was sprayed with herbicide doses of 0, 0.5, 1, 2 and 4X the recommended doses in a spray volume of 200 L ha-1. The number of rice culm, filled and sterile grains, plant height, dry shoot biomass and grain yield were recorded. Globe fringerush control was evaluated 28 and 70 days after herbicide application (DAA); shoots were harvested at 13 weeks after herbicide application and dry weight recorded. Competition with globe fringerush reduced the number of culm and rice grain yield. The globe fringerush ... Mostrar Tudo |
Palavras-Chave: |
Acetolactate synthase; Herbicide resistance; Oryza sativa; Paddy rice. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02659naa a2200217 a 4500 001 1120330 005 2014-03-11 008 2013 bl uuuu u00u1 u #d 100 1 $aSCHAEDLER, C. E. 245 $aGlobe fringerush (Fimbristylis miliacea) cross resistance to als-inhibitor herbicides under field conditions in irrigated rice in the South of Brazil.$h[electronic resource] 260 $c2013 520 $aALS-inhibiting herbicides usually provide adequate weed control in irrigated rice fields. After consecutive years of use, the Cyperaceae species, globe fringerush (Fimbristylis miliacea) began to show resistance to ALS (acetolactate synthase) inhibitors. Globe fringerush is one of the most problematic herbicide-resistant weeds in irrigated rice in the state of Santa Catarina in the South of Brazil. The objective of this research was to examine cross resistance of globe fringerush to ALS inhibitors, under field conditions. Two experiments were conducted in a rice field naturally infested with ALS-resistant globe fringerush in Santa Catarina, in the 2008/09 and 2009/10 cropping seasons. The experimental units were arranged in randomized complete block design, with five replicates, consisting of two factors (herbicide and dose) in a 4 x 5 factorial arrangement. ALS herbicides included bispyribac-sodium, ethoxysulfuron, pyrazosulfuron-ethyl and penoxsulam. Six-leaf globe fringerush was sprayed with herbicide doses of 0, 0.5, 1, 2 and 4X the recommended doses in a spray volume of 200 L ha-1. The number of rice culm, filled and sterile grains, plant height, dry shoot biomass and grain yield were recorded. Globe fringerush control was evaluated 28 and 70 days after herbicide application (DAA); shoots were harvested at 13 weeks after herbicide application and dry weight recorded. Competition with globe fringerush reduced the number of culm and rice grain yield. The globe fringerush biotype in this field was resistant to all ALS herbicides tested. Penoxsulam had the highest level of activity among treatments at 28 and 70 DAA, but the control level was only 50% and 42%, respectively, in the second year of assessment. This was not enough to prevent rice yield loss. Alternative herbicides and weed control strategies are necessary to avoid yield losses in rice fields infested with ALS-resistant biotypes of globe fringerush. 653 $aAcetolactate synthase 653 $aHerbicide resistance 653 $aOryza sativa 653 $aPaddy rice 700 1 $aNOLDIN, J. A. 700 1 $aEBERHARDT, D. S. 700 1 $aAGOSTINETTO, D. 700 1 $aBURGOS, N. R. 773 $tPlanta Daninha, Viçosa, MG$gv. 31, n. 4, p. 893-902, 2013.
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