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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
10/11/2016 |
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Data da última atualização: |
27/03/2017 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
PINA, F. T. B.; HIGA, L. O. S.; RODRIGUES, V. da S.; GARCIA, M. V.; MATIAS, J.; AGUIRRE, A. de A. R.; OSHIRO, L. M.; KOLLER, W. W.; ANDREOTTI, R. |
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Afiliação: |
FRANCISCO TOBIAS BARRADAS PINA, UFMS; LEANDRO DE OLIVEIRA SOUZA HIGA, UFMS; VINICIUS DA SILVA RODRIGUES, UFMS; MARCOS VALÉRIO GARCIA, EMBRAPA; JAQUELINE MATIAS, UFMS; ANDRÉ DE ABREU RANGEL AGUIRRE, FIOCRUZ; LEANDRA MARLA OSHIRO, EMBRAPA; WILSON WERNER KOLLER, CNPGC; RENATO ANDREOTTI E SILVA, CNPGC. |
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Título: |
Resistência a acaricidas em larvas, ninfas e adultos de amblyomma mixtum em condições de laboratoriais / acaricide resistance in larvae, nymphs and adults of amblyomma mixtum under laboratory conditions |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE PARASITOLOGIA VETERINÁRIA, 19; NOVEL APPROACHES TO THE CONTROL OF HELMINTH PARASITES OF LIVESTOCK, 8, 2016, Belém, PA. Anais... Jaboticabal: CBPV, 2016 |
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Idioma: |
Português |
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Conteúdo: |
Amblyomma mixtum é um carrapato pertencente ao complexo Amblyomma cajennense, cuja distribuição geográfica se estende desde o Texas nos Estados Unidos até o oeste do Equador e em algumas ilhas do Caribe, incluindo Cuba e Trinidade e Tobago. Carrapatos da espécie A. mixtum são ectoparasitas, podendo ser vetores de agentes de doenças de importância veterinária e para a saúde pública. Atualmente estão, também, causando prejuízos na pecuária devido ao parasitismo de bovinos. Para contribuir nos sistemas de controle, neste trabalho teve-se como objetivo a avaliação da eficácia de quatro ixodicidas comerciais (Associação, Amidina, Piretróide e Organofosforado) nos diferentes ínstares (larva, ninfa e adulto) utilizando-se como técnica de laboratório o teste de pacote de larvas. A eficácia dos produtos testados foi avaliada sobre cada ínstar (número de carrapatos mortos entre o número de carrapatos expostos) |
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Palavras-Chave: |
Amblyomma mixtum; Ixodicida; Teste de pacote de larvas. |
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Thesagro: |
Carrapato. |
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Categoria do assunto: |
O Insetos e Entomologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/158188/1/Resistencia-a-acaricidas-em-larvas.pdf
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Marc: |
LEADER 01933nam a2200253 a 4500
001 2056205
005 2017-03-27
008 2016 bl uuuu u00u1 u #d
100 1 $aPINA, F. T. B.
245 $aResistência a acaricidas em larvas, ninfas e adultos de amblyomma mixtum em condições de laboratoriais / acaricide resistance in larvae, nymphs and adults of amblyomma mixtum under laboratory conditions$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE PARASITOLOGIA VETERINÁRIA, 19; NOVEL APPROACHES TO THE CONTROL OF HELMINTH PARASITES OF LIVESTOCK, 8, 2016, Belém, PA. Anais... Jaboticabal: CBPV$c2016
520 $aAmblyomma mixtum é um carrapato pertencente ao complexo Amblyomma cajennense, cuja distribuição geográfica se estende desde o Texas nos Estados Unidos até o oeste do Equador e em algumas ilhas do Caribe, incluindo Cuba e Trinidade e Tobago. Carrapatos da espécie A. mixtum são ectoparasitas, podendo ser vetores de agentes de doenças de importância veterinária e para a saúde pública. Atualmente estão, também, causando prejuízos na pecuária devido ao parasitismo de bovinos. Para contribuir nos sistemas de controle, neste trabalho teve-se como objetivo a avaliação da eficácia de quatro ixodicidas comerciais (Associação, Amidina, Piretróide e Organofosforado) nos diferentes ínstares (larva, ninfa e adulto) utilizando-se como técnica de laboratório o teste de pacote de larvas. A eficácia dos produtos testados foi avaliada sobre cada ínstar (número de carrapatos mortos entre o número de carrapatos expostos)
650 $aCarrapato
653 $aAmblyomma mixtum
653 $aIxodicida
653 $aTeste de pacote de larvas
700 1 $aHIGA, L. O. S.
700 1 $aRODRIGUES, V. da S.
700 1 $aGARCIA, M. V.
700 1 $aMATIAS, J.
700 1 $aAGUIRRE, A. de A. R.
700 1 $aOSHIRO, L. M.
700 1 $aKOLLER, W. W.
700 1 $aANDREOTTI, R.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
21/05/2004 |
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Data da última atualização: |
01/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BALBINO, L. C.; BRUAND, A.; COUSIN, I.; BROSSARD, M.; QUÉTIN, P.; GRIMALDI, M. |
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Afiliação: |
LUIZ CARLOS BALBINO, CNPAF. |
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Título: |
Change in the hydraulic properties of a Brazilian clay ferralsol on clearing for pasture. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Geoderma, v. 120, n. 3/4, p. 297-307, June 2004. |
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ISSN: |
0016-7061 |
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DOI: |
10.1016/j.geoderma.2003.08.017 |
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Idioma: |
Inglês |
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Conteúdo: |
Ferralsols under native vegetation have a weak to moderate macrostructure and a well-developed microstructure corresponding to subrounded microaggregates that are usually 80 to 300 um in size. The aim of this study was to analyze how the hydraulic properties of a clay Ferralsol were affected by a change of structure when the native vegetation is cleared for pasture. We studied the macrostructure in the field and microstructure in scanning electron microscopy. The water retention properties were determined by using pressure cell equipment. We determined the saturated hydraulic conductivity, Ks, by applying a constant hydraulic head to saturated core samples, and the unsaturated hydraulic conductivity, Ks, by applying the evaporation method to undisturbed core samples. Results showed a significant decrease in the water retained at --1 and --10 hPa from 0- to 40-cm-depth when the native vegetation is cleared for pasture. That decrease in the water retained was related to a smaller development of microaggregation and greater proportion of microaggregates in close packing. For smaller water potential, there was no difference of water retained at every depth between native vegetation and pasture. Pedotransfer functions established earlier for Brazilian Ferralsols and using clay content as single predictor gave pretty good results but the precision of the estimation decreased when the water potential increased. This decrease in the precision was related to the lack of predictor taking structure into account. Ks and K(Y) showed an upward trend with depth under native vegetation and pasture. Except at 0?7-cm depth between the Brachiaria clumps in the pasture where smaller Ks and K(Y) than at the other depth was recorded whatever land use, we did not record any significant difference of Ks and K(Y) at every depth between native vegetation and pasture. The upward trend shown by the hydraulic conductivity with depth was related to the increase in the development of microaggregation with depth. MenosFerralsols under native vegetation have a weak to moderate macrostructure and a well-developed microstructure corresponding to subrounded microaggregates that are usually 80 to 300 um in size. The aim of this study was to analyze how the hydraulic properties of a clay Ferralsol were affected by a change of structure when the native vegetation is cleared for pasture. We studied the macrostructure in the field and microstructure in scanning electron microscopy. The water retention properties were determined by using pressure cell equipment. We determined the saturated hydraulic conductivity, Ks, by applying a constant hydraulic head to saturated core samples, and the unsaturated hydraulic conductivity, Ks, by applying the evaporation method to undisturbed core samples. Results showed a significant decrease in the water retained at --1 and --10 hPa from 0- to 40-cm-depth when the native vegetation is cleared for pasture. That decrease in the water retained was related to a smaller development of microaggregation and greater proportion of microaggregates in close packing. For smaller water potential, there was no difference of water retained at every depth between native vegetation and pasture. Pedotransfer functions established earlier for Brazilian Ferralsols and using clay content as single predictor gave pretty good results but the precision of the estimation decreased when the water potential increased. This decrease in the precision was related to the lack of predictor tak... Mostrar Tudo |
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Palavras-Chave: |
Microaggregate; Pedotransfer function; Water retention. |
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Thesagro: |
Argila; Condutividade Hidráulica. |
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Thesaurus NAL: |
bulk density; hydraulic conductivity. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02853naa a2200289 a 4500
001 1212341
005 2022-06-01
008 2004 bl uuuu u00u1 u #d
022 $a0016-7061
024 7 $a10.1016/j.geoderma.2003.08.017$2DOI
100 1 $aBALBINO, L. C.
245 $aChange in the hydraulic properties of a Brazilian clay ferralsol on clearing for pasture.$h[electronic resource]
260 $c2004
520 $aFerralsols under native vegetation have a weak to moderate macrostructure and a well-developed microstructure corresponding to subrounded microaggregates that are usually 80 to 300 um in size. The aim of this study was to analyze how the hydraulic properties of a clay Ferralsol were affected by a change of structure when the native vegetation is cleared for pasture. We studied the macrostructure in the field and microstructure in scanning electron microscopy. The water retention properties were determined by using pressure cell equipment. We determined the saturated hydraulic conductivity, Ks, by applying a constant hydraulic head to saturated core samples, and the unsaturated hydraulic conductivity, Ks, by applying the evaporation method to undisturbed core samples. Results showed a significant decrease in the water retained at --1 and --10 hPa from 0- to 40-cm-depth when the native vegetation is cleared for pasture. That decrease in the water retained was related to a smaller development of microaggregation and greater proportion of microaggregates in close packing. For smaller water potential, there was no difference of water retained at every depth between native vegetation and pasture. Pedotransfer functions established earlier for Brazilian Ferralsols and using clay content as single predictor gave pretty good results but the precision of the estimation decreased when the water potential increased. This decrease in the precision was related to the lack of predictor taking structure into account. Ks and K(Y) showed an upward trend with depth under native vegetation and pasture. Except at 0?7-cm depth between the Brachiaria clumps in the pasture where smaller Ks and K(Y) than at the other depth was recorded whatever land use, we did not record any significant difference of Ks and K(Y) at every depth between native vegetation and pasture. The upward trend shown by the hydraulic conductivity with depth was related to the increase in the development of microaggregation with depth.
650 $abulk density
650 $ahydraulic conductivity
650 $aArgila
650 $aCondutividade Hidráulica
653 $aMicroaggregate
653 $aPedotransfer function
653 $aWater retention
700 1 $aBRUAND, A.
700 1 $aCOUSIN, I.
700 1 $aBROSSARD, M.
700 1 $aQUÉTIN, P.
700 1 $aGRIMALDI, M.
773 $tGeoderma$gv. 120, n. 3/4, p. 297-307, June 2004.
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Embrapa Arroz e Feijão (CNPAF) |
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