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| Registros recuperados : 34 | |
| 4. |  | MATOS, A. P. de; SANCHES, N. F.; CUNHA, A. P. da; REINHARDT, D. H. R. C. Fusariose do abacaxizeiro: incidência no fruto em função da época de produção. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 16, n. 2, p. 205-207, mar. 1981 Título em inglês: Pineapple "fusariose": incidence in fruit according to the time of harvest.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 6. | | AGUIAR NETO, P.; GRANJEIRO, L. C.; MENDES, A. M. S.; COSTA, N. D.; CUNHA, A. P. A. da. Crescimento e acúmulo de macronutrientes na cultura do melão em Baraúna - RN e Petrolina - PE. Revista Brasileira de Fruticultura, Jaboticabal, v. 36, n. 3, p. 556-567, set. 2014.| Biblioteca(s): Embrapa Semiárido. |
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| 12. | | CUNHA, A. P.; BELLO, A. C. P. P.; LEITE, R. C.; MELO, M. M.; BRAZ, G. F.; RIBEIRO, A. C. C. L.; OLIVEIRA, P. R. Avaliação de parâmetros clínicos e hematológicos de equinos submetidos a um programa de controle estratégico de Amblyomma cajennense (Fabricius, 1787) (Acari: ixodidae). Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 60, n. 1, p. 113-120, 2008.| Biblioteca(s): Embrapa Gado de Leite. |
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| 13. | | SOUZA, C. M. S. de; ARAUJO, G. G. L. de; CUNHA, A. P.; DANTAS, F. R.; LIMA, V. S. de; PORTO, E. R. Digestibilidade aparente dos nutrientes do feno da erva sal (Atriplex nummularia Lindl.) em caprinos e ovinos. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 43., 2006, João Pessoa. Anais... João Pessoa: SBZ; UFPB, 2006. 1 CD-ROM.| Biblioteca(s): Embrapa Semiárido. |
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| 14. | | PAULA, G. A.; BENEVIDES, N. M. B.; CUNHA, A. P.; OLIVEIRA, A. V. de; PINTO, A. M. B; MORAIS, J. P. S.; AZEREDO, H. M. C. de. Development and characterization of edible films from mixtures of k-carrageenan, i-carrageenan, and alginate. Food Hydrocolloids, v. 47, p. 140-145, 2015.| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| 15. | | CUNHA, A. P.; ARAUJO, G. G. L. de; SOUZA, C. M. S. de; LIMA, V. S. de; DANTAS, F. R.; ASSIS, C. M. de; PORTO, E. R. Consumo voluntário dos nutrientes de dieta composta por melancia forrageira (Citrullus lanatus cv Citroides) e feno da erva sal (Atriplex nummularia Lindl.) por caprinos e ovinos. In: CONGRESSO NORDESTINO DE PRODUÇÃO ANIMAL, 3.; SIMPÓSIO NORDESTINO DE ALIMENTAÇÃO DE RUMINANTES, 9.; SIMPÓSIO PARAIBANO DE ZOOTECNIA, 4., 2004, Campina Grande. Anais... Campina Grande: SNPA; UFPB-CCA, 2004. 1 CD-ROM.| Biblioteca(s): Embrapa Semiárido. |
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| 16. | | DOMINGUES, L. N.; BELLO, A. C. P. P.; CUNHA, A. P.; LEITE, P. V. B.; BARROS, A. T. M. de; LEITE, R. C. Caracterização do controle de Haematobia irritans e Rhipicephalus (Boophilus) microplus no Triângulo Mineiro e Alto Paranaíba, Minas Gerais. Pesquisa Veterinária Brasileira, v. 32, n. 12, p. 1246-1252, dezembro, 2012.| Biblioteca(s): Embrapa Pantanal. |
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| 19. | | MACEDO, M. A; CUNHA, A. P.; BOUSA, R, B.; MELLO, R. A.; SOUZA, M. A. F.; PEIXOTO, J. R.; MARTINS, I.; JUNQUEIRA, N. T. V. Incidência e severidade de antracnose (Colletotrichum gloeosporioides) em mudas de maracujazeiro-azedo sob cultivo protegido. Tropical Plant Pathology, Brasília, DF, v. 34, p. S162, 2009. Suplemento. Edição dos Resumos do XLII do Congresso Brasileiro de Fitopatologia, Rio de Janeiro, RJ, 2009.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia. |
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| 20. | | ARAUJO, G. G. L. de; CAVALCANTI, N. de B.; DANTAS, F. R.; CUNHA, A. P.; SOUZA, C. M. S. de; GARZERAS, R. Valor nutritivo e o consumo de nutrientes do feno de umbuzeiro (Spondias tuberosa Arruda) por caprinos e ovinos. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 40., 2003, Santa Maria, RS. Anais... Santa Maria, RS: SBZ, 2003. 1 CD-ROM.| Biblioteca(s): Embrapa Semiárido. |
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| Registros recuperados : 34 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
02/10/2012 |
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Data da última atualização: |
25/02/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
DOMINGUES, L. N.; BRASIL, B. dos S. A. F.; BELLO, A. C. P. de P.; CUNHA, A. P. da; BARROS, A. T. M. de; LEITE, R. C.; SILAGHI, C.; PFISTER, K.; PASSOS, L. M. F. |
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Afiliação: |
LUÍSA NOGUEIRA DOMINGUES, UFMG; BRUNO DOS SANTOS ALVES FIGUEIREDO BRASIL, UFMG; ANA CRISTINA PASSOS DE PAIVA BELLO, UFMG; ARILDO PINTO DA CUNHA, UFMG; ANTONIO THADEU MEDEIROS DE BARROS, CPAP; ROMÁRIO CERQUEIRA LEITE, UFMG; CORNELIA SILAGHI, UNIVERSITAT MUNCHEN; KURT PFISTER, UNIVERSITAT MUNCHEN; LYGIA MARIA FRICHE PASSOS, UFMG - UNIVERSITAT MUNCHEN. |
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Título: |
Survey of pyrethroid and organophosphate resistance in Brazilian field populations of Rhipicephalus (Boophilus) microplus: Detection of C190A mutation in domain II of the para-type sodium channel gene. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Veterinary Parasitology, v. 189, n.2-4, p. 327-332, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
The cattle tick Rhipicephalus (Boophilus) microplus causes expressive damage to livestock in Brazil and other countries. Its control is becoming more difficult due to the development of resistance in populations. Early detection of resistance can help in developing effective control strategies. This study evaluated the susceptibility of R. microplus to cypermethrin and chlorpyriphos and was the first attempt to identify the mechanism of resistance (target site insensitivity) in cattle tick populations from Minas Gerais state (Southeastern Brazil). Engorged female ticks were collected from 10 ranches within the state of Minas Gerais, and susceptibility was evaluated with the larval packet test (LPT) using technical grade cypermethrin and chlorpyriphos. It was possible to analyze LPT results of seven populations. Target site insensitivity was investigated in all 10 isolates by using molecular approaches for detection of the T2134A substitution within the domain III S6 segment and the C190A in the domain II S4-5 linker from the para-type sodium channel gene. LPT showed that all seven populations were resistant to cypermethrin with resistance ratio (RR) ranging from 16.0 to 25.0 and 85.7% were resistant to chlorpyriphos (RR = 2.2?15.6). Although the T2134A mutation was not detected, the C190A mutation was highly prevalent, being present in 82?100% of the alleles sampled in field populations. A significant correlation was found between the LC50 values for cypermethrin and the frequency of the C190A mutation suggesting that it might be responsible for the phenotypic resistance detected. MenosThe cattle tick Rhipicephalus (Boophilus) microplus causes expressive damage to livestock in Brazil and other countries. Its control is becoming more difficult due to the development of resistance in populations. Early detection of resistance can help in developing effective control strategies. This study evaluated the susceptibility of R. microplus to cypermethrin and chlorpyriphos and was the first attempt to identify the mechanism of resistance (target site insensitivity) in cattle tick populations from Minas Gerais state (Southeastern Brazil). Engorged female ticks were collected from 10 ranches within the state of Minas Gerais, and susceptibility was evaluated with the larval packet test (LPT) using technical grade cypermethrin and chlorpyriphos. It was possible to analyze LPT results of seven populations. Target site insensitivity was investigated in all 10 isolates by using molecular approaches for detection of the T2134A substitution within the domain III S6 segment and the C190A in the domain II S4-5 linker from the para-type sodium channel gene. LPT showed that all seven populations were resistant to cypermethrin with resistance ratio (RR) ranging from 16.0 to 25.0 and 85.7% were resistant to chlorpyriphos (RR = 2.2?15.6). Although the T2134A mutation was not detected, the C190A mutation was highly prevalent, being present in 82?100% of the alleles sampled in field populations. A significant correlation was found between the LC50 values for cypermethrin and the fre... Mostrar Tudo |
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Palavras-Chave: |
Allele-specific PCR; Cattle tick; Chlorpyriphos; Larval packet test; Target site insensitivity. |
|
Thesaurus NAL: |
cypermethrin. |
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Categoria do assunto: |
O Insetos e Entomologia |
|
Marc: |
LEADER 02556naa a2200289 a 4500
001 1935239
005 2013-02-25
008 2012 bl --- 0-- u #d
100 1 $aDOMINGUES, L. N.
245 $aSurvey of pyrethroid and organophosphate resistance in Brazilian field populations of Rhipicephalus (Boophilus) microplus$bDetection of C190A mutation in domain II of the para-type sodium channel gene.
260 $c2012
520 $aThe cattle tick Rhipicephalus (Boophilus) microplus causes expressive damage to livestock in Brazil and other countries. Its control is becoming more difficult due to the development of resistance in populations. Early detection of resistance can help in developing effective control strategies. This study evaluated the susceptibility of R. microplus to cypermethrin and chlorpyriphos and was the first attempt to identify the mechanism of resistance (target site insensitivity) in cattle tick populations from Minas Gerais state (Southeastern Brazil). Engorged female ticks were collected from 10 ranches within the state of Minas Gerais, and susceptibility was evaluated with the larval packet test (LPT) using technical grade cypermethrin and chlorpyriphos. It was possible to analyze LPT results of seven populations. Target site insensitivity was investigated in all 10 isolates by using molecular approaches for detection of the T2134A substitution within the domain III S6 segment and the C190A in the domain II S4-5 linker from the para-type sodium channel gene. LPT showed that all seven populations were resistant to cypermethrin with resistance ratio (RR) ranging from 16.0 to 25.0 and 85.7% were resistant to chlorpyriphos (RR = 2.2?15.6). Although the T2134A mutation was not detected, the C190A mutation was highly prevalent, being present in 82?100% of the alleles sampled in field populations. A significant correlation was found between the LC50 values for cypermethrin and the frequency of the C190A mutation suggesting that it might be responsible for the phenotypic resistance detected.
650 $acypermethrin
653 $aAllele-specific PCR
653 $aCattle tick
653 $aChlorpyriphos
653 $aLarval packet test
653 $aTarget site insensitivity
700 1 $aBRASIL, B. dos S. A. F.
700 1 $aBELLO, A. C. P. de P.
700 1 $aCUNHA, A. P. da
700 1 $aBARROS, A. T. M. de
700 1 $aLEITE, R. C.
700 1 $aSILAGHI, C.
700 1 $aPFISTER, K.
700 1 $aPASSOS, L. M. F.
773 $tVeterinary Parasitology$gv. 189, n.2-4, p. 327-332, 2012.
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