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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
05/11/2008 |
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Data da última atualização: |
29/01/2013 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SANTOS, J. L. S.; COSTA, A. R.; BARBOSA, M. C.; JUNQUEIRA, S. G.; SILVA, R. C.; MADARI, B. E.; FERNANDES, E. P.; MACHADO, P. L. O. A. |
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Afiliação: |
J. L. S. SANTOS, UFG; A. R. COSTA, UFG; M. C. BARBOSA, UFG; S. G. JUNQUEIRA, UFG; R. C. SILVA, UFG; BEATA EMOKE MADARI, CNPAF; E. P. FERNANDES, UFG; PEDRO LUIZ OLIVEIRA DE A MACHADO, CNPAF. |
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Título: |
Biomassa microbiana do solo em pastagem em diferentes épocas do ano no cerrado. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 28.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 12.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 10.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 7., 2008, Londrina. FertBio 2008: desafios para o uso do solo com eficiência e qualidade ambiental: resumos. Londrina: Embrapa Soja: SBCS: IAPAR, UEL, 2008. |
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Páginas: |
Resumo 38. |
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Idioma: |
Português |
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Palavras-Chave: |
Biomassa microbiana. |
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Thesagro: |
Cerrado; Pastagem; Solo. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/75520/1/pl-2008.059-060.pdf
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Marc: |
LEADER 00993nam a2200241 a 4500
001 1217470
005 2013-01-29
008 2008 bl uuuu u00u1 u #d
100 1 $aSANTOS, J. L. S.
245 $aBiomassa microbiana do solo em pastagem em diferentes épocas do ano no cerrado.
260 $aIn: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 28.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 12.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 10.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 7., 2008, Londrina. FertBio 2008: desafios para o uso do solo com eficiência e qualidade ambiental: resumos. Londrina: Embrapa Soja: SBCS: IAPAR, UEL$c2008
300 $aResumo 38.
650 $aCerrado
650 $aPastagem
650 $aSolo
653 $aBiomassa microbiana
700 1 $aCOSTA, A. R.
700 1 $aBARBOSA, M. C.
700 1 $aJUNQUEIRA, S. G.
700 1 $aSILVA, R. C.
700 1 $aMADARI, B. E.
700 1 $aFERNANDES, E. P.
700 1 $aMACHADO, P. L. O. A.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
17/02/2011 |
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Data da última atualização: |
20/05/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
FURTADO, G. Q.; MORAES, S. R. G.; ALVES, S. A. M.; AMORIM, L.; MASSOLA JUNIOR, N. S. |
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Afiliação: |
GLEIBER QUINTÃO FURTADO, UFV; SYLVIA RAQUEL GOMES MORAES, ESALQ/USP; SILVIO ANDRE MEIRELLES ALVES, CNPUV; LILIAN AMORIM, UFV; NELSON SIDNEI MASSOLA JUNIOR, UFV. |
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Título: |
The infection of soybean leaves by Phakopsora pachyrhizi during conditions of discontinuous wetness. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Journal of Phytopathology, Berlin, v. 159, n. 3, p. 165-170, mar. 2011. |
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Volume: |
159 |
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Páginas: |
165-170 |
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DOI: |
10.1111/j.1439-0434.2010.01742.x |
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Idioma: |
Inglês |
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Conteúdo: |
The ability of Phakopsora pachyrhizi to cause infection under conditions of discontinuous wetness was investigated. In in vitro experiments, droplets of a uredospore suspension were deposited onto the surface of polystyrene. After an initial wetting period of either 1, 2 or 4 h, the drops were dried for different time intervals and then the wetness was restored for 11, 10 or 8 h. Germination and appressorium formation were evaluated. In in vivo experiments, soybean plants were inoculated with a uredospore suspension. Leaf wetness was interrupted for 1, 3 or 6 h after initial wetting periods of 1, 2 or 4 h. Then, the wetting was re-established for 11, 10 or 8 h, respectively. Rust severity was evaluated 14 days after inoculation. The germination of the spores and the formation of the appressoria on the soybean leaves after different periods of wetness were also quantified in vivo by scanning electron microscopy. P. pachyrhizi showed a high infective capacity during short periods of time. An interruption of wetness after 1 h caused average reductions in germination from 56 to 75% and in appressorium formation from 84 to 96%. Rust severity was lower in all of the in vivo treatments with discontinuous wetness when compared to the control plants. Rust severity was zero when the interruption of wetness occurred 4 h after the initial wetting. Wetting interruptions after 1 and 2 h reduced the average rust severity by 83 and 77%, respectively. The germination of the uredospores on the soybean leaves occurred after 2 h of wetness, with a maximum germination appearing after 4 h of wetness. Wetness interruption affected mainly the spores that had initiated the germination. MenosThe ability of Phakopsora pachyrhizi to cause infection under conditions of discontinuous wetness was investigated. In in vitro experiments, droplets of a uredospore suspension were deposited onto the surface of polystyrene. After an initial wetting period of either 1, 2 or 4 h, the drops were dried for different time intervals and then the wetness was restored for 11, 10 or 8 h. Germination and appressorium formation were evaluated. In in vivo experiments, soybean plants were inoculated with a uredospore suspension. Leaf wetness was interrupted for 1, 3 or 6 h after initial wetting periods of 1, 2 or 4 h. Then, the wetting was re-established for 11, 10 or 8 h, respectively. Rust severity was evaluated 14 days after inoculation. The germination of the spores and the formation of the appressoria on the soybean leaves after different periods of wetness were also quantified in vivo by scanning electron microscopy. P. pachyrhizi showed a high infective capacity during short periods of time. An interruption of wetness after 1 h caused average reductions in germination from 56 to 75% and in appressorium formation from 84 to 96%. Rust severity was lower in all of the in vivo treatments with discontinuous wetness when compared to the control plants. Rust severity was zero when the interruption of wetness occurred 4 h after the initial wetting. Wetting interruptions after 1 and 2 h reduced the average rust severity by 83 and 77%, respectively. The germination of the uredospores on th... Mostrar Tudo |
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Thesagro: |
Doença de planta; Ferrugem; Folha; Fungo; Soja; Umidade. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/27516/1/SILVIO-JPhytopathol-v159p165-2011.pdf
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Marc: |
LEADER 02488naa a2200277 a 4500
001 1877741
005 2019-05-20
008 2011 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1439-0434.2010.01742.x$2DOI
100 1 $aFURTADO, G. Q.
245 $aThe infection of soybean leaves by Phakopsora pachyrhizi during conditions of discontinuous wetness.$h[electronic resource]
260 $c2011
300 $a165-170 159
490 $v159
520 $aThe ability of Phakopsora pachyrhizi to cause infection under conditions of discontinuous wetness was investigated. In in vitro experiments, droplets of a uredospore suspension were deposited onto the surface of polystyrene. After an initial wetting period of either 1, 2 or 4 h, the drops were dried for different time intervals and then the wetness was restored for 11, 10 or 8 h. Germination and appressorium formation were evaluated. In in vivo experiments, soybean plants were inoculated with a uredospore suspension. Leaf wetness was interrupted for 1, 3 or 6 h after initial wetting periods of 1, 2 or 4 h. Then, the wetting was re-established for 11, 10 or 8 h, respectively. Rust severity was evaluated 14 days after inoculation. The germination of the spores and the formation of the appressoria on the soybean leaves after different periods of wetness were also quantified in vivo by scanning electron microscopy. P. pachyrhizi showed a high infective capacity during short periods of time. An interruption of wetness after 1 h caused average reductions in germination from 56 to 75% and in appressorium formation from 84 to 96%. Rust severity was lower in all of the in vivo treatments with discontinuous wetness when compared to the control plants. Rust severity was zero when the interruption of wetness occurred 4 h after the initial wetting. Wetting interruptions after 1 and 2 h reduced the average rust severity by 83 and 77%, respectively. The germination of the uredospores on the soybean leaves occurred after 2 h of wetness, with a maximum germination appearing after 4 h of wetness. Wetness interruption affected mainly the spores that had initiated the germination.
650 $aDoença de planta
650 $aFerrugem
650 $aFolha
650 $aFungo
650 $aSoja
650 $aUmidade
700 1 $aMORAES, S. R. G.
700 1 $aALVES, S. A. M.
700 1 $aAMORIM, L.
700 1 $aMASSOLA JUNIOR, N. S.
773 $tJournal of Phytopathology, Berlin$gv. 159, n. 3, p. 165-170, mar. 2011.
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