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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
25/04/2007 |
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Data da última atualização: |
27/04/2007 |
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Autoria: |
SOUZA, J. de; GODOY, C.; FORMENTO, N.; BOCA, T.; RIDAO, A. del C. |
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Título: |
Preliminary analysis of three disease progress curves for Asian soybean rust |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
In: NATIONAL SOYBEAN RUST SYMPOSIUM, 2006, St. Louis. Poster abstracts. [S.l.]: APS, 2006. |
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Páginas: |
p. 6. |
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Idioma: |
Inglês |
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Notas: |
Poster 8. Nome correto do segundo autor GODOY, C. V. |
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Conteúdo: |
Asian soybean rust (ASR) caused by Phakopsora pachyrhizi was initially cited for the province of Entre Rios, Argentina, in April 2004. Until now, ASR was registered annually in a generalized way in the main soybean (Glycine max)-producing region of the country. The objective of this work was to carry out a characterization of ASR in different environments of the province of Entre Rios. Three experiments were carried out during the 2004-2005 and 2005-2006 growing seasons on sites near meteorological stations. The sampling size was determined using the SDS method, the plants were divided into three levels (upper, middle, and lower), and every week,. three central leaflets were collected from each level of the randomly selected plants. The incidence in percent (I) and the conditional density (Cd) (number of uredinia per leaflet) were associated with some meteorological variables (temperature, rainfall, and leaf wetness) and captures in a spore trap. With I and Cd, the disease progress curves were carried out for each environment. In all cases, the appearance of the disease was produced late (R6), the duration of epidemics was prolonged for 29-35 days, and the maximum quantity of I and Cd registered were 95.8 and 64.2, respectively. The best adjusted models to the curves were the logistic and the exponential ones. These constitute the first registers of temporal evaluation of ASR quantified for the province of Entre Rios. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02034naa a2200193 a 4500
001 1469978
005 2007-04-27
008 2006 bl uuuu u00u1 u #d
100 1 $aSOUZA, J. de
245 $aPreliminary analysis of three disease progress curves for Asian soybean rust
260 $c2006
300 $ap. 6.
500 $aPoster 8. Nome correto do segundo autor GODOY, C. V.
520 $aAsian soybean rust (ASR) caused by Phakopsora pachyrhizi was initially cited for the province of Entre Rios, Argentina, in April 2004. Until now, ASR was registered annually in a generalized way in the main soybean (Glycine max)-producing region of the country. The objective of this work was to carry out a characterization of ASR in different environments of the province of Entre Rios. Three experiments were carried out during the 2004-2005 and 2005-2006 growing seasons on sites near meteorological stations. The sampling size was determined using the SDS method, the plants were divided into three levels (upper, middle, and lower), and every week,. three central leaflets were collected from each level of the randomly selected plants. The incidence in percent (I) and the conditional density (Cd) (number of uredinia per leaflet) were associated with some meteorological variables (temperature, rainfall, and leaf wetness) and captures in a spore trap. With I and Cd, the disease progress curves were carried out for each environment. In all cases, the appearance of the disease was produced late (R6), the duration of epidemics was prolonged for 29-35 days, and the maximum quantity of I and Cd registered were 95.8 and 64.2, respectively. The best adjusted models to the curves were the logistic and the exponential ones. These constitute the first registers of temporal evaluation of ASR quantified for the province of Entre Rios.
700 1 $aGODOY, C.
700 1 $aFORMENTO, N.
700 1 $aBOCA, T.
700 1 $aRIDAO, A. del C.
773 $tIn: NATIONAL SOYBEAN RUST SYMPOSIUM, 2006, St. Louis. Poster abstracts. [S.l.]: APS, 2006.
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Embrapa Soja (CNPSO) |
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| 2. | | OLIVEIRA, O. R. de; TERAO, D.; CARVALHO, A. C. P. P. de; SANTOS, E. M. dos; SILVA, J. F. da; MORAES, J. P. S. Avaliação dos níveis de contaminação microbiana, em laboratório de cultura de tecidos de plantas. Plant Cell Cult. Micropropag, Lavras, v.3, n.1, p.49-54, 2007.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: Local - A |
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| Registros recuperados : 4 | |
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