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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
18/09/2003 |
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Data da última atualização: |
06/06/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MICHEREFF FILHO, M.; DELLA LUCIA, T. M. C.; CRUZ, I.; GUEDES, R. N. C. |
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Afiliação: |
IVAN CRUZ, CNPMS. |
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Título: |
Response to the insecticide chlorpyrifos by arthropods on maize canopy. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
International Journal of Pest Management, London, v. 48, n. 3, p. 203-210, 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
We assessed the response of maize canopy arthoropods to the insecticide chlorpyrifos. Four 0.3 ha (18 x 180 m) plots were divided into two subplots, a control and a treated area. During tasseling of the plants, the treated area was sprayed twice, with an interval of 3 days. Ten plants were sampled: 1 day before spraying, and 7, 14, 21 and 28 days after spraying. The insecticide had no effect on insect herbivores: a high density of Spodoptera frugiperda larvae was present in the treated plots. A few predator arthropod species were negatively affected by the insecticide, but their numbers or activity increased 2 weeks after the treatment of the plots. A canonical variate analysis showed no pronounced effect of the insecticide on arthropod communities: the largest variations on species abundance were related to sampling occasion. These results can be explained by the combination of the short period of chlorpyrifos residual activity on the plant surface and the great potential for recolonization of the areas by most of the monitored arthoropods. |
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Thesagro: |
Inseticida; Milho. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01606naa a2200181 a 4500
001 1480557
005 2018-06-06
008 2002 bl uuuu u00u1 u #d
100 1 $aMICHEREFF FILHO, M.
245 $aResponse to the insecticide chlorpyrifos by arthropods on maize canopy.$h[electronic resource]
260 $c2002
520 $aWe assessed the response of maize canopy arthoropods to the insecticide chlorpyrifos. Four 0.3 ha (18 x 180 m) plots were divided into two subplots, a control and a treated area. During tasseling of the plants, the treated area was sprayed twice, with an interval of 3 days. Ten plants were sampled: 1 day before spraying, and 7, 14, 21 and 28 days after spraying. The insecticide had no effect on insect herbivores: a high density of Spodoptera frugiperda larvae was present in the treated plots. A few predator arthropod species were negatively affected by the insecticide, but their numbers or activity increased 2 weeks after the treatment of the plots. A canonical variate analysis showed no pronounced effect of the insecticide on arthropod communities: the largest variations on species abundance were related to sampling occasion. These results can be explained by the combination of the short period of chlorpyrifos residual activity on the plant surface and the great potential for recolonization of the areas by most of the monitored arthoropods.
650 $aInseticida
650 $aMilho
700 1 $aDELLA LUCIA, T. M. C.
700 1 $aCRUZ, I.
700 1 $aGUEDES, R. N. C.
773 $tInternational Journal of Pest Management, London$gv. 48, n. 3, p. 203-210, 2002.
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Embrapa Milho e Sorgo (CNPMS) |
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| 1. |  | SCHIAVON, R. de A.; MORÁS, A.; PARAGINSKI, R. T.; RUTZ, D.; LORINI, I.; ELIAS, M. C. Efeito da secagem e do beneficiamento na preferência de consumo do inseto Sitophilus sp. In: CONFERÊNCIA BRASILEIRA DE PÓS-COLHEITA, 5., 2010, Foz do Iguaçu. Anais ... Londrina: Abrapós, 2010. p. 223-227. il. Organizado por Irineu Lorini, Maria Cristina Zborowski de Paula, Adriano Divino Lima Afonso.| Tipo: Artigo em Anais de Congresso |
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| 5. | | PARAGINSKI, R. T.; FARIAS, S. P.; SILVA, C. F. L. e.; SHIRMER, M. A.; MESSIAS, R. da S.; SILVA, S. D. dos A. e. Rendimento industrial e teor de fibras de quatro cultivares de arroz (Oryza sativa l.) visando a produção de biocombustíveis. In: SIMPÓSIO ESTADUAL DE AGROENERGIA, 4.; REUNIÃO TÉCNICA DE AGROENERGIA, 4., 2012, AMRIGS: Porto Alegre. Anais... Pelotas: Embrapa Clima Temperado, 2012. Organizado por Sérgio Delmar dos Anjos e Silva Ivan Rodrigues de Almeida.| Tipo: Artigo em Anais de Congresso |
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