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| Registros recuperados : 7 | |
| 1. |  | ONUMA, S. S.; MELO, A. L. T.; STOCCO, M. B.; SANTARÉM, V. A.; AGUIAR, D. M. Contaminação de solo por ovos de Toxocara spp. e outros geo-helmintos em comunidade rural do Pantanal Mato-Grossense, Brasil. Brazilian Journal of Veterinary Research and Animal Science, São Paulo, SP, v. 51, n. 1, p. 78-81, 2014.| Biblioteca(s): Epagri-Sede. |
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| 2. | | AGUIAR, D. M>; RIBEIRO, M. G.; BRITO, A. F.; PESSOA, V. M. Soroaglutinacao, semen plasma aglutinacao e exame andrologico no diagnostico da brucelose em machosbovinos. Arquivos do Instituto Biologico, Sao Paulo, v. 69, n. 2, p. 103-105, jul./dez. 2001.| Biblioteca(s): Epagri-Sede. |
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| 3. | | AZEVEDO, S. S. de; AGUIAR, D. M.; AQUINO, S. F. de; ORLANDELLI, R. C.; FERNANDES, A. R. da F.; UCHÔA. I. C. P. Soroprevalência e fatores de risco associados à soropositividade para Ehrlichia canis em cães do semiárido da Paraíba. Brazilian Journal of Veterinary Research and Animal Science, São Paulo, v. 48, n. 1, p. 14-18, 2011.| Biblioteca(s): Epagri-Sede. |
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| 4. | | AGUIAR, D. M.; CAVALCANTE, G. T.; MARVULO, M. F. V.; SILVA, J. C. R.; PINTER, A.; VASCONCELLOS, S. A.; MORAIS, Z. M.; LABRUNA, M. B.; CAMARGO, L. M. A.; GENNARI, S. M. Fatores de risco associados à ocorrência de anticorpos anti-Leptospira spp. em cães do município de Monte Negro, Rondônia, Amazônia Ocidental Brasileira. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, v. 59, n. 1, p. 70-76, 2007.| Biblioteca(s): Epagri-Sede. |
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| 5. | | AGUIAR, D. M.; AMUDE, A. M.; SANTOS, L. G. F.; RIBEIRO, M. G.; UENO, T. E. H.; MEGID, J.; PAES, A. C.; ALFIERI, A. F.; ALFIERI, A. A.; GENNARI, S. M. Canine distemper virus and Toxoplasma gond, co-infection in dogs with neurological signs. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Belo Horizonte, MG, v. 64, n. 1, p. 221-224, fev. 2012.| Biblioteca(s): Epagri-Sede. |
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| 6. | | AGUIAR, D. M. de; CAVALCANTE, G. T.; VASCONCELLOS, S. A.; MEGID, J.; SALGADO, V. R.; CRUZ, T. F.; LABRUNA, M. B.; PINTER, A.; SILVA, J. C. R. da; MORAES, Z. M.; CAMARGO, L. M. A.; GENNARI, S. M. Ocorrencia de anticorpos anti-Brucella abortus e anti-brucella canis em caes rurais e urbanos do municipio de Monte Negro, Rondonia, Brasil. Ciencia Rural, Santa Maria, v. 35, n. 5, p. 1216-1219, set.out. 2005.| Biblioteca(s): Epagri-Sede. |
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| 7. | | AGUIAR, D.M.; CAVALCANTE, G. T.; LARA, M. do C. C. de S. H.; VILLALOBOS, E. M. C.; CUNHA, E. M. S.; OKUDA, L. H.; STÉFANO, E. de; NASSAR, A. F. de C.; SOUZA, G. O.; VASCONCELLOS, S. A.; LABRUNA, M. B.; CAMARGO, L. M. A.; GENNARI, S. M. Prevalência de anticorpos contra agentes virais e bacterianos em eqüídeos do Município de Monte Negro, Rondônia, Amazônia Ocidental Brasileira. Brazilian Journal of Veterinary Research and Animal Science, São Paulo, v. 45, n. 4 p. 269-276, 2008.| Biblioteca(s): Epagri-Sede. |
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| Registros recuperados : 7 | |
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Registro Completo
|
Biblioteca(s): |
Epagri-Sede. |
|
Data corrente: |
24/04/2019 |
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Data da última atualização: |
24/04/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
|
Autoria: |
VALE, P. A. S.; RESENDE, M. L. V.; BOTELHO, D. M. S.; POZZA, E. A.; OGOSHI, C.; MONTEIRO, A. C. A.; COSTA, B. H. G.; VASCONCELOS, V. A. M. |
|
Título: |
Temperature, incubation time and virulence of Cercospora coffeicola in the production of cercosporin. |
|
Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Journal of Phytopathology, London, v. 167, n. 5, p. 1-9, 2019. |
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Idioma: |
Inglês |
|
Conteúdo: |
This study considers the influence of temperature, incubation time and virulence in
the production of the toxin cercosporin by Cercospora coffeicola, the causal agent of
brown eye spot in coffee. The area under the progress curve of cercosporin production
(AUPCCP) was also evaluated. A pathogenicity test was performed in a group
with 58 isolates of C. coffeicola, which allowed the selection of four isolates, two
representing the highest (LFP 12 and LFP 59) and two the lowest (LFP 24 and LFP 43)
severity groups. The four isolates were cultivated in potato dextrose agar (PDA) and
incubated in growth chambers at different temperatures (15, 20, 25 and 30°C) for
20 days. The experiments were conducted in a randomized complete block design
with four replications. The cercosporin production decreased in all tested isolates at
30°C, resulting in a lower AUPCCP. The higher values of cercosporin were obtained
at 20 and 25°C between 8 and 12 days of incubation. The isolates that produced the
highest and lowest cercosporin concentrations were LFP 12 and LFP 43, respectively.
After 15 days of incubation, toxin production is practically null in all isolates independently
of the incubation temperature. Thus, the hypothesis for quantification of cercosporin
production as a variability parameter within the species is suggested. |
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Palavras-Chave: |
Brown eye spot; mycelial growth; toxin quantification. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
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|
Marc: |
LEADER 02075naa a2200241 a 4500
001 1128393
005 2019-04-24
008 2019 bl uuuu u00u1 u #d
100 1 $aVALE, P. A. S.
245 $aTemperature, incubation time and virulence of Cercospora coffeicola in the production of cercosporin.$h[electronic resource]
260 $c2019
520 $aThis study considers the influence of temperature, incubation time and virulence in the production of the toxin cercosporin by Cercospora coffeicola, the causal agent of brown eye spot in coffee. The area under the progress curve of cercosporin production (AUPCCP) was also evaluated. A pathogenicity test was performed in a group with 58 isolates of C. coffeicola, which allowed the selection of four isolates, two representing the highest (LFP 12 and LFP 59) and two the lowest (LFP 24 and LFP 43) severity groups. The four isolates were cultivated in potato dextrose agar (PDA) and incubated in growth chambers at different temperatures (15, 20, 25 and 30°C) for 20 days. The experiments were conducted in a randomized complete block design with four replications. The cercosporin production decreased in all tested isolates at 30°C, resulting in a lower AUPCCP. The higher values of cercosporin were obtained at 20 and 25°C between 8 and 12 days of incubation. The isolates that produced the highest and lowest cercosporin concentrations were LFP 12 and LFP 43, respectively. After 15 days of incubation, toxin production is practically null in all isolates independently of the incubation temperature. Thus, the hypothesis for quantification of cercosporin production as a variability parameter within the species is suggested.
653 $aBrown eye spot
653 $amycelial growth
653 $atoxin quantification
700 1 $aRESENDE, M. L. V.
700 1 $aBOTELHO, D. M. S.
700 1 $aPOZZA, E. A.
700 1 $aOGOSHI, C.
700 1 $aMONTEIRO, A. C. A.
700 1 $aCOSTA, B. H. G.
700 1 $aVASCONCELOS, V. A. M.
773 $tJournal of Phytopathology, London$gv. 167, n. 5, p. 1-9, 2019.
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