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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
04/12/2007 |
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Data da última atualização: |
10/03/2010 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BARROS, A. T. M. de; GOMES, A.; KOLLER, W. W. |
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Afiliação: |
Antonio Thadeu Medeiros de Barros, Embrapa Pantanal; Alberto Gomes, Embrapa Gado de Corte; Wilson Werner Koller, Embrapa Gado de Corte. |
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Título: |
Insecticide susceptibility of horn flies, Haematobia irritans (diptera: muscidae), in the state of Mato Grosso do Sul, Brazil. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Revista Brasileira de Parasitologia Veterinária, v. 16, n. 3, p. 145-151, 2007. |
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Idioma: |
Inglês |
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Conteúdo: |
Horn fly susceptibility to insecticides was evaluated in the state of Mato Grosso do Sul, Brazil, from October 2000 to september 2002. Insecticide bioassays (n=57) were conducted in 38 ranches from 14 municipalities throughout the state. Horn flies from wild populations were collected on cattle and exposed to filter papers impregnated with cypermethrin, permethrin, or diazinon and mortality was assessed after two hours. Resistance to cypermethrin was detected in all populations, with resistance ratios (RR) ranging from 27.6 to 91.3-fold. Permethrin bioassays provided apparently low levels of resistance (RR<5), however, resistant flies were found in 96.9% of the populations based on diagnostic concetrations. From both pyrethroid bioassays, resistance was detected in 97.4% of the populations. On the other hand, a high susceptibility to diazinon (RR<1.1) was detected in all populations. Pyrethroid products, most cypermethrin (92.3%) and deltamethrin (66.7%), were used in all ranches controlling forn flies (97.5%). Insecticide treatments, usually incorrectly applied, were routinely delivered by manual backpack sprayers in most ranches (84.5%). This profile of insecticide use helps to explain the widespread resistance of horn flies to pyrethroids in the state as well as their high susceptibility to the organophosphate. Inadequate control practices contribute to aggravate the resistance problem and its consequences. |
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Palavras-Chave: |
organophosphate; pyrethroid resistance. |
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Thesagro: |
Haematobia Irritans. |
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Thesaurus Nal: |
cypermethrin; insecticide resistance. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02103naa a2200205 a 4500
001 1790349
005 2010-03-10
008 2007 bl --- 0-- u #d
100 1 $aBARROS, A. T. M. de
245 $aInsecticide susceptibility of horn flies, Haematobia irritans (diptera$bmuscidae), in the state of Mato Grosso do Sul, Brazil.
260 $c2007
520 $aHorn fly susceptibility to insecticides was evaluated in the state of Mato Grosso do Sul, Brazil, from October 2000 to september 2002. Insecticide bioassays (n=57) were conducted in 38 ranches from 14 municipalities throughout the state. Horn flies from wild populations were collected on cattle and exposed to filter papers impregnated with cypermethrin, permethrin, or diazinon and mortality was assessed after two hours. Resistance to cypermethrin was detected in all populations, with resistance ratios (RR) ranging from 27.6 to 91.3-fold. Permethrin bioassays provided apparently low levels of resistance (RR<5), however, resistant flies were found in 96.9% of the populations based on diagnostic concetrations. From both pyrethroid bioassays, resistance was detected in 97.4% of the populations. On the other hand, a high susceptibility to diazinon (RR<1.1) was detected in all populations. Pyrethroid products, most cypermethrin (92.3%) and deltamethrin (66.7%), were used in all ranches controlling forn flies (97.5%). Insecticide treatments, usually incorrectly applied, were routinely delivered by manual backpack sprayers in most ranches (84.5%). This profile of insecticide use helps to explain the widespread resistance of horn flies to pyrethroids in the state as well as their high susceptibility to the organophosphate. Inadequate control practices contribute to aggravate the resistance problem and its consequences.
650 $acypermethrin
650 $ainsecticide resistance
650 $aHaematobia Irritans
653 $aorganophosphate
653 $apyrethroid resistance
700 1 $aGOMES, A.
700 1 $aKOLLER, W. W.
773 $tRevista Brasileira de Parasitologia Veterinária$gv. 16, n. 3, p. 145-151, 2007.
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Registro original: |
Embrapa Pantanal (CPAP) |
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Biblioteca |
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Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Meio-Norte. |
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Data corrente: |
08/08/2002 |
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Data da última atualização: |
10/11/2022 |
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Tipo da produção científica: |
Folder/Folheto/Cartilha |
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Autoria: |
OLIVEIRA, J. R. P. |
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Afiliação: |
JOAO ROBERTO PEREIRA OLIVEIRA, EMBRAPA-UEPAE Teresina. |
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Título: |
Babaçu: diagnóstico, pesquisa e perspectiva: relatório para elaboração do plano diretor da UEPAE de Teresina. |
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Ano de publicação: |
1989 |
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Fonte/Imprenta: |
Teresina: EMBRAPA-UEPAE Teresina, 1989. |
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Páginas: |
Não paginado. |
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Idioma: |
Português |
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Palavras-Chave: |
Piauí. |
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Thesagro: |
Babaçu; Planejamento de Pesquisa. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/64472/1/Relatorio-Elaboracao-Plano-Fol-4909.pdf
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Marc: |
LEADER 00462nam a2200145 a 4500
001 1064472
005 2022-11-10
008 1989 bl uuuu u0uu1 u #d
100 1 $aOLIVEIRA, J. R. P.
245 $aBabaçu$bdiagnóstico, pesquisa e perspectiva: relatório para elaboração do plano diretor da UEPAE de Teresina.
260 $aTeresina: EMBRAPA-UEPAE Teresina$c1989
300 $aNão paginado.
650 $aBabaçu
650 $aPlanejamento de Pesquisa
653 $aPiauí
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Registro original: |
Embrapa Meio-Norte (CPAMN) |
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