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Registros recuperados : 507 | |
122. | | OLSEN, D.; GODOY, C. V.; HENNING, A. A. Eficiência de fungicidas para controle da ferrugem asiática da soja, Phakopsora pachyrhizi, em Mafra, SC, na safra 2009/2010. In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO CENTRAL DO BRASIL, 31., 2010, Brasília, DF. Resumos... Londrina: Embrapa Soja, 2010. p. 122-124. Editores técnicos: Adilson de Oliveira Junior, Odilon Ferreira Saraiva, Regina Maria Villas Bôas de Campo Leite, César de Castro, Jussara Flores de Oliveira Arbues, Wellington Cavalcanti. Biblioteca(s): Embrapa Soja. |
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131. | | RINALDI, D. A.; GODOY, C. V.; CANTERI, M. G. Progresso da ferrugem asiática (Phakopsora pachyrhizi) em cultivares comerciais de soja em Londrina, Paraná. Fitopatologia Brasileira, Brasília, DF, v. 32, p. S236, ago. 2007. Suplemento, resumo 0636. Edição dos Resumos do XL Congresso Brasileiro de Fitopatologia, Maringá, PR, ago. 2007. Biblioteca(s): Embrapa Soja. |
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132. | | MACIEL, J. L. N.; COSTAMILAN, L. M.; GODOY, C. V. Rede nacional de ensaio de fungicidas para ferrugem de soja, safra 2005/06, em Passo Fundo. In: COSTAMILAN, L. M.; BERTAGNOLLI, P. F.; MORAES, R. M. A. de (Org.). Soja: resultados de pesquisa 2005/2006. Passo Fundo: Embrapa Trigo, 2006. p. 118-128. (Embrapa Trigo. Documentos, 68). Biblioteca(s): Embrapa Soja. |
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140. | | SOARES, R. M.; ALMEIDA FILHO, K. M.; MEYER, M. C.; TERAMOTO, A.; GODOY, C. V. Comparação da virulência de isolados de corynespora cassiicola obtidos em soja. In: CONGRESSO BRASILEIRO DE SOJA, 6., 2012, Cuiabá. Soja: integração nacional e desenvolvimento sustentável: resumos. Brasília, DF: Embrapa, 2012. p. 118, res. 194. Biblioteca(s): Embrapa Soja. |
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Registros recuperados : 507 | |
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Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
11/05/2006 |
Data da última atualização: |
13/12/2011 |
Autoria: |
GODOY, C. V.; KOGA, L. J.; CANTERI, M. G. |
Título: |
Diagrammatic scale for assessment of soybean rust severity. |
Ano de publicação: |
2006 |
Fonte/Imprenta: |
Fitopatologia Brasileira, Brasília, v. 31, n. 1, p. 63-68, jan./fev. 2006. |
Idioma: |
Inglês |
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. |
Palavras-Chave: |
Diagrammatic. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/50145/1/26172.pdf
|
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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