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| Registros recuperados : 556 | |
| 111. |  | MEYER, M.; GODOY, C.; VENANCIO, W.; TERAMOTO, A. Manejo equilibrado. Cultivar Grandes Culturas, Pelotas, v. 14, n. 165, Caderno Técnico Soja, p. 3-7, fev. 2013.| Biblioteca(s): Embrapa Soja. |
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| 112. | | GODOY, C. V.; SALINET, L. H.; PAZUCH, D.; MARINI, D. Inibição da fotossíntese em folhas de soja infectadas por Phakopsora pachyrhizi. Fitopatologia Brasileira, Brasília, DF, v. 32, p. S211, ago. 2007. Suplemento, resumo 0506. Edição dos Resumos do XL Congresso Brasileiro de Fitopatologia, Maringá, PR, ago. 2007.| Biblioteca(s): Embrapa Soja. |
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| 114. | | COSTAMILAN, L. M.; GODOY, C. V.; YORINORI, J. T. Avaliação de cultivares de soja com resistência à ferrugem asiática. Fitopatologia Brasileira, Brasília, v. 28, p. S269, ago. 2003. Suplemento. Resumo 322. Edição do XXXVI Congresso Brasileiro de Fitopatologia, Uberlândia, MG, ago. 2003.| Biblioteca(s): Embrapa Soja. |
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| 117. | | DEL PONTE, E. M.; YANG, X. B.; GODOY, C. V. A chegada aos EUA. Cultivar: grandes culturas, Pelotas, v. 6, n. 68, p. 30,32,34,36, dez./jan. 2004/2005.| Biblioteca(s): Embrapa Soja. |
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Registro Completo
|
Biblioteca(s): |
Embrapa Soja. |
|
Data corrente: |
11/05/2006 |
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Data da última atualização: |
13/12/2011 |
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Autoria: |
GODOY, C. V.; KOGA, L. J.; CANTERI, M. G. |
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Título: |
Diagrammatic scale for assessment of soybean rust severity. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Fitopatologia Brasileira, Brasília, v. 31, n. 1, p. 63-68, jan./fev. 2006. |
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Idioma: |
Inglês |
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Conteúdo: |
A diagrammatic scale to assess soybean (Glycine max) rust severity, caused by the fungus Phakopsora pachyrhizi, was developed in this study. Leaflets showing different severity levels were collected for determination of the minimum and maximum severity limits; intermediate levels were determined according to "Weber-Fechner's stimulus-response law". The proposed scale showed the levels of 0.6; 2; 7; 18; 42, and 78.5%. Scale validation was performed by eight raters (four inexperienced and four experienced), who estimated the severity of 44 soybean leaflets showing rust symptoms, with and without the use of the scale. Except for rater number eight, all showed a tendency to overestimate severity without the aid of the diagrammatic scale. With the scale, the raters obtained better accuracy and precision levels, although the tendency to overestimate was maintained. Experienced raters were more accurate and precise than inexperienced raters, and assessment improvements with the use of the scale were more significant for inexperienced raters. |
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Palavras-Chave: |
Diagrammatic. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/50145/1/26172.pdf
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Marc: |
LEADER 01495naa a2200157 a 4500
001 1469017
005 2011-12-13
008 2006 bl uuuu u00u1 u #d
100 1 $aGODOY, C. V.
245 $aDiagrammatic scale for assessment of soybean rust severity.
260 $c2006
520 $aA diagrammatic scale to assess soybean (Glycine max) rust severity, caused by the fungus Phakopsora pachyrhizi, was developed in this study. Leaflets showing different severity levels were collected for determination of the minimum and maximum severity limits; intermediate levels were determined according to "Weber-Fechner's stimulus-response law". The proposed scale showed the levels of 0.6; 2; 7; 18; 42, and 78.5%. Scale validation was performed by eight raters (four inexperienced and four experienced), who estimated the severity of 44 soybean leaflets showing rust symptoms, with and without the use of the scale. Except for rater number eight, all showed a tendency to overestimate severity without the aid of the diagrammatic scale. With the scale, the raters obtained better accuracy and precision levels, although the tendency to overestimate was maintained. Experienced raters were more accurate and precise than inexperienced raters, and assessment improvements with the use of the scale were more significant for inexperienced raters.
653 $aDiagrammatic
700 1 $aKOGA, L. J.
700 1 $aCANTERI, M. G.
773 $tFitopatologia Brasileira, Brasília$gv. 31, n. 1, p. 63-68, jan./fev. 2006.
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