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| Registros recuperados : 508 | |
| 221. |  | DEL PONTE, E. M.; GODOY, C. V.; CANTERI, M. G.; REIS, E. M.; YANG, X. B. Models and applications for risk assessment and prediction of Asian soybean rust epidemics. Fitopatologia Brasileira, Brasília, DF, v.31, n. 6, p. 533-544, Nov./Dec. 2006.| Biblioteca(s): Embrapa Soja. |
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| 222. | | SILVA, H. P. da; XAVIER, S. A.; LOPES, I. O. N.; GODOY, C. V. Monitoramento da sensibilidade de Phakopsora pachyrhizi a fungicidas inibidores da quinona oxidase. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 48.; CONGRESSO BRASILEIRO DE PATOLOGIA PÓS COLHEITA, 2., 2015, São Pedro, SP. Fitopatologia de precisão - fronteiras da ciência: anais. [Brasilia, DF]: Sociedade Brasileira de Fitopatologia, 2015. 1 CD-ROM.| Biblioteca(s): Embrapa Soja. |
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| 223. | | GODOY, C. V.; TOLEDO, J. F. F.; ABDELNOOR, R. V.; YORINORI, J. T.; DALL' AGNOL, A. Manejo integrado da ferrugem e melhoramento genético da cultura da soja: novos desafios. In: SIMPÓSIO SOBRE INOVAÇÃO E CRIATIVIDADE CIENTÍFICA NA EMBRAPA, 1., 2008; SIMPÓSIO SOBRE INOVAÇÃO E CRIATIVIDADE CIENTÍFICA NA EMBRAPA, 2., 2010, Brasília, DF. Trabalhos apresentados e documentos... Brasília, DF: Embrapa, 2012. 1 DVD.| Biblioteca(s): Embrapa Soja. |
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| 227. | | XAVIER, S. A.; CANTERI, M. G.; BARROS, D. C. M.; GODOY, C. V. Sensitivity of Corynespora cassiicola from soybean to carbendazim and prothioconazole. Tropical Plant Pathology, Brasília, DF, v. 38, n. 5, p. 431-435, Sept./Oct. 2013.| Biblioteca(s): Embrapa Soja. |
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| 232. | | HIKISHIMA, M.; CANTERI, M. G.; GODOY, C. V.; KOGA, L. J.; SILVA, A. J. da. Quantificação de danos e relações entre severidade, medidas de refletância e produtividade no patossistema ferrugem asiática da soja. Tropical Plant Pathology, Brasília, DF, v. 35, n. 2, p. 96-103, mar./apr. 2010.| Biblioteca(s): Embrapa Soja. |
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| 237. | | MESQUINI, R. M.; VIEIRA, R. A.; SCHWAN-ESTRADA, K. R.; GODOY, C. V. Relações de causa e efeito entre condições ambientais, urediniósporos e severidade de ferrugem-asiática da soja. Bioscience Journal, Uberlândia, v. 27, n. 4, p. 552-557, Jul./Aug. 2011.| Biblioteca(s): Embrapa Soja. |
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| 238. | | GODOY, C. V.; SEIXAS, C. D. S.; MEYER, M. C.; ADEGAS, F. S.; GUERRA, W. D. Risco Incessante. Cultivar: grandes culturas, Pelotas, v. 15, n. 184, p. 30-33, set. 2014. v. 15 p. 30-33.| Biblioteca(s): Embrapa Soja. |
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| 239. | | KUMUDINI, S.; GODOY, C. V.; KENNEDY, B.; PRIOR, E.; OMIELAN, J.; BOERMA, H. R.; HERSHMANN, D. Role of host-plant resistance and disease development stage on leaf photosynthetic competence of soybean rust infected leaves. Crop Science, Madison, v. 50, n. p. 2533-2542, nov./dec. 2010.| Biblioteca(s): Embrapa Soja. |
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| 240. | | PRIOR, E.; KENNEDY, B.; HERSHMAN, D.; GODOY, C. V.; OMIELAN, J.; KUMUDINI, S. The role of variation in genetic susceptibility to soybean rust on the photosynthetic competence of infected leaves. Plant Management Network, St. Paul, 2010. Edição do Proceedings of the National Soybean Rust Symposium, New Orleans, 2009.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 508 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
|
Data corrente: |
15/03/2012 |
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Data da última atualização: |
10/06/2013 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
GODOY, C. V.; XAVIER, S. A.; MARTINS, D. C.; CANTERI, M. G.; MEYER, M. C. |
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Afiliação: |
CLAUDIA VIEIRA GODOY, CNPSO; UEL; CNPSo; UEL; MAURICIO CONRADO MEYER, CNPSO. |
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Título: |
Sensitivity monitoring of Phakopsora pachyrhizi populations to triazoles in Brazil. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
In: PLANT MANAGEMENT NETWORK; FIELD CROPS RUST SYMPOSIUM, San Antonio, 2011. Proceedings ... Saint Paul: APS: ASA: CSSA: 2011. Abstract, 18. Disponível em: < http://www.plantmanagementnetwork.org/proceedings/FCRS/2011/posters/>. |
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Idioma: |
Inglês |
|
Conteúdo: |
Asian soybean rust (ASR), reported for the first time in 2001 in South America, spread quickly to the major Brazilian soybean-producing regions and is considered one of the most important diseases of the crop in Brazil. Fungicides for ASR control belong to QoI (strobilurins) and SBI (azole) compounds. A lower efficiency of straight azole fungicides has been observed since 2006–2007. Embrapa Soybean Researcher Center started a sensitivity monitoring program for P. pachyrhizi in 2008–2009 to detect changes in the EC50 values (half maximal effective concentration) of the fungi population to triazoles. The bioassay has been carried out according to FRAC (Fungicide Resistance Action Committee) methodology. In the 2010–2011 growing season, leaf samples infected with P. pachyrhizi were sent from nine Brazilian states, in a total of 54 populations, and the spores collected were inoculated in detached leaves treated with the fungicides cyproconazole, metconazole, tebuconazole (0, 0.16, 0.45, 1.3, 3.8, 11, and 32 ppm), and prothioconazole (0, 0.02, 0.06, 0.164, 0.5, 1.4, and 8 ppm). Disease severity was evaluated 15 days after inoculation and only 16 bioassays showed ASR severity above 5%. The EC50 values were estimated by Proc Probit, SAS. The averages of EC50 were 0.59 for cyproconazole, 0.37 for metconazole, 0.33 for tebuconazole, and 0.1 for prothioconazole. These values were similar to the average values estimated in 2008–2009 and 2009–2010. |
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Thesagro: |
Doença de planta; Doença fúngica; Ferrugem; Phakopsora Pachyrhizi; Soja. |
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Thesaurus NAL: |
Plant diseases and disorders; Soybeans. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/55848/1/sensitivity.fielcropssymposium.2011.pdf
|
|
Marc: |
LEADER 02359nam a2200241 a 4500
001 1918905
005 2013-06-10
008 2011 bl uuuu u00u1 u #d
100 1 $aGODOY, C. V.
245 $aSensitivity monitoring of Phakopsora pachyrhizi populations to triazoles in Brazil.$h[electronic resource]
260 $aIn: PLANT MANAGEMENT NETWORK; FIELD CROPS RUST SYMPOSIUM, San Antonio, 2011. Proceedings ... Saint Paul: APS: ASA: CSSA: 2011. Abstract, 18. Disponível em: < http://www.plantmanagementnetwork.org/proceedings/FCRS/2011/posters/>.$c2011
520 $aAsian soybean rust (ASR), reported for the first time in 2001 in South America, spread quickly to the major Brazilian soybean-producing regions and is considered one of the most important diseases of the crop in Brazil. Fungicides for ASR control belong to QoI (strobilurins) and SBI (azole) compounds. A lower efficiency of straight azole fungicides has been observed since 2006–2007. Embrapa Soybean Researcher Center started a sensitivity monitoring program for P. pachyrhizi in 2008–2009 to detect changes in the EC50 values (half maximal effective concentration) of the fungi population to triazoles. The bioassay has been carried out according to FRAC (Fungicide Resistance Action Committee) methodology. In the 2010–2011 growing season, leaf samples infected with P. pachyrhizi were sent from nine Brazilian states, in a total of 54 populations, and the spores collected were inoculated in detached leaves treated with the fungicides cyproconazole, metconazole, tebuconazole (0, 0.16, 0.45, 1.3, 3.8, 11, and 32 ppm), and prothioconazole (0, 0.02, 0.06, 0.164, 0.5, 1.4, and 8 ppm). Disease severity was evaluated 15 days after inoculation and only 16 bioassays showed ASR severity above 5%. The EC50 values were estimated by Proc Probit, SAS. The averages of EC50 were 0.59 for cyproconazole, 0.37 for metconazole, 0.33 for tebuconazole, and 0.1 for prothioconazole. These values were similar to the average values estimated in 2008–2009 and 2009–2010.
650 $aPlant diseases and disorders
650 $aSoybeans
650 $aDoença de planta
650 $aDoença fúngica
650 $aFerrugem
650 $aPhakopsora Pachyrhizi
650 $aSoja
700 1 $aXAVIER, S. A.
700 1 $aMARTINS, D. C.
700 1 $aCANTERI, M. G.
700 1 $aMEYER, M. C.
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Embrapa Soja (CNPSO) |
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