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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
27/04/2000 |
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Data da última atualização: |
15/10/2004 |
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Autoria: |
YUYAMA, M. M.; HENNING, A. A. |
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Título: |
Studies on the association of Fusarium graminearum with soybean. |
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Ano de publicação: |
1999 |
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Fonte/Imprenta: |
In: WORLD SOYBEAN RESEARCH CONFERENCE, 6., 1999, Chicago. Proceedings: invited and contributed papers and posters. Chicago: University of Illinois / Soybean Research & Development Council, 1999. |
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Páginas: |
p.634. |
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Idioma: |
Inglês |
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Conteúdo: |
During the 1995/96 growing season, Fusarium graminearum Schwabe, a pathogen of various winter cerals and corn, was isolated from soybean seeds produced in the Northern region of the state of Santa Catarina, Brazil, in an area where susceptible crops have been cultivated in previous years. This fact demanded studies to prove the association of the fungus with the soybean crop. Twenty seven monoascosporic cultures of the fungus isolated from soybean seeds and one from wheat seeds were used in this study. Inoculation of F. graminearum was done by the toothpick method and by wheat seeds colonized with the fungus. Only the toothpick method was effective to cause infection in inoculated plants. In this method, it was determined that the period of incubation of the toothpick in culture media containing the fungus did not affect the results of the inoculation. On the other hand, the age of the plants at the inoculation time was a factor that affected the infection rate of inoculated plants. Twenty-three-day old plants showed the highest infection rates. Inoculation of the 28 isolates to soybean cultivars 'BR-16' and 'FT-Abyara' showed that 'BR-16' was more susceptible than 'FT-Abyara' Although all isolates were able to infect the plants after inoculation, they did not kill the plants or transmitted the fungus systemically to the new seeds. The results of this study indicate that Fusarium graminearum may occur in plants and seeds however it is not pathogenic to soybean. |
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Palavras-Chave: |
Brasil; Disease; Soybean. |
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Thesagro: |
Doença; Fungo; Fusarium Graminearum; Semente; Soja. |
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Thesaurus Nal: |
Brazil; fungi. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02266naa a2200265 a 4500
001 1461776
005 2004-10-15
008 1999 bl uuuu u00u1 u #d
100 1 $aYUYAMA, M. M.
245 $aStudies on the association of Fusarium graminearum with soybean.
260 $c1999
300 $ap.634.
520 $aDuring the 1995/96 growing season, Fusarium graminearum Schwabe, a pathogen of various winter cerals and corn, was isolated from soybean seeds produced in the Northern region of the state of Santa Catarina, Brazil, in an area where susceptible crops have been cultivated in previous years. This fact demanded studies to prove the association of the fungus with the soybean crop. Twenty seven monoascosporic cultures of the fungus isolated from soybean seeds and one from wheat seeds were used in this study. Inoculation of F. graminearum was done by the toothpick method and by wheat seeds colonized with the fungus. Only the toothpick method was effective to cause infection in inoculated plants. In this method, it was determined that the period of incubation of the toothpick in culture media containing the fungus did not affect the results of the inoculation. On the other hand, the age of the plants at the inoculation time was a factor that affected the infection rate of inoculated plants. Twenty-three-day old plants showed the highest infection rates. Inoculation of the 28 isolates to soybean cultivars 'BR-16' and 'FT-Abyara' showed that 'BR-16' was more susceptible than 'FT-Abyara' Although all isolates were able to infect the plants after inoculation, they did not kill the plants or transmitted the fungus systemically to the new seeds. The results of this study indicate that Fusarium graminearum may occur in plants and seeds however it is not pathogenic to soybean.
650 $aBrazil
650 $afungi
650 $aDoença
650 $aFungo
650 $aFusarium Graminearum
650 $aSemente
650 $aSoja
653 $aBrasil
653 $aDisease
653 $aSoybean
700 1 $aHENNING, A. A.
773 $tIn: WORLD SOYBEAN RESEARCH CONFERENCE, 6., 1999, Chicago. Proceedings: invited and contributed papers and posters. Chicago: University of Illinois / Soybean Research & Development Council, 1999.
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Registro original: |
Embrapa Soja (CNPSO) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Clima Temperado. Para informações adicionais entre em contato com cpact.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
26/01/2009 |
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Data da última atualização: |
23/03/2009 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
OLIVEIRA, A. C. B. de; CARVALHO, C. G. P. de; GRUNVALD, A. K.; SILVA, F. P. da. |
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Título: |
Selection of sunflower genotypes for sowing dates in august/september in southern region of Brazil. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: INTERNATIONAL SUNFLOWER CONFERENCE, 17., 2008, Córdoba. Proceedings... Córdoba: Consejería de Agricultura y Pesca, 2008. 1 CD-ROM. |
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Páginas: |
p. 579-582 |
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Idioma: |
Inglês |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00580naa a2200157 a 4500
001 1746630
005 2009-03-23
008 2008 bl --- 0-- u #d
100 1 $aOLIVEIRA, A. C. B. de
245 $aSelection of sunflower genotypes for sowing dates in august/september in southern region of Brazil.
260 $c2008
300 $ap. 579-582
700 1 $aCARVALHO, C. G. P. de
700 1 $aGRUNVALD, A. K.
700 1 $aSILVA, F. P. da
773 $tIn: INTERNATIONAL SUNFLOWER CONFERENCE, 17., 2008, Córdoba. Proceedings... Córdoba: Consejería de Agricultura y Pesca, 2008. 1 CD-ROM.
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Embrapa Clima Temperado (CPACT) |
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