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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
08/04/1998 |
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Data da última atualização: |
10/01/2017 |
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Autoria: |
BETTIOL, W.; MIGHELI, Q.; GARIBALDI, A. |
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Afiliação: |
WAGNER BETTIOL, CNPMA; Q. MIGHELI, UNIVERSITÁ DI TORINO; A. GARIBALDI, UNIVERSITÁ DI TORINO. |
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Título: |
Control of cucumber damping-off caused by Pythium ultimum, with organic matter |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
In: CONGRESSO PAULISTA DE FITOPATOLOGIA, 20., 1997, São Paulo, SP. Summa Phytopathologica, v.23, n.1, p.52, 1997. Resumo. ref.008. |
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Idioma: |
Inglês |
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Conteúdo: |
The effectiveness of several media soil-sand-pertile (1:1:1 v/v); soil-sand-pertile-manure (1:1:1:3); soil-sand-perlite-compost (1:1:1:3); soil-sand-perlite-peat (1:1:1:3); soil-sand-perlite-straw (1:1:1:3), and sand-perlite-peat-compost-mamure-wheat straw (2:2:1:3:3:1) as suppressers of the cucumber (Cucumis sativus) damping-off causal agent, Pythium ultimum, was evaluated. The media were infested with 12 g/l of Pythium inoculum (broken corn-sand medium), fifteen days before sowing ten cucumber seeds (mezzolungo Marketer) 1 cm deep in pots containing approximately 500 ml of medium. Plants were grown at a constant temperature of 25oC simbolo 177\\ f "Symbol" \\s 12 2 with 12 hours of illumination per day. The percentage of emerged seedlings, post- and pre-emerg ent damping-off and disease severity were determined at fifteen days after planting. This procedure was repeated on the same substrates, without reinoculation, ten days after harvesting this first trial. The manure medium was the most suppressive to the disease, with percent of emergence, percent of pre-and post-emergence damping-off and disease severity values of 84.5%, 12.0%, 0% and 1.35, respectively, for the first bioassay. The replanting experiment results were 98.5%, 0%, 0% and 1,0, respectively. However, plants grown in this medium in both bioassays were shorter than ones grown in the other media. Peat medium and the mixture sand-peat-manure-compost-wheat straw medium were more conducive to the disease than wheat straw medium, resulting in higher occurrence and severity of attack by Pythium. MenosThe effectiveness of several media soil-sand-pertile (1:1:1 v/v); soil-sand-pertile-manure (1:1:1:3); soil-sand-perlite-compost (1:1:1:3); soil-sand-perlite-peat (1:1:1:3); soil-sand-perlite-straw (1:1:1:3), and sand-perlite-peat-compost-mamure-wheat straw (2:2:1:3:3:1) as suppressers of the cucumber (Cucumis sativus) damping-off causal agent, Pythium ultimum, was evaluated. The media were infested with 12 g/l of Pythium inoculum (broken corn-sand medium), fifteen days before sowing ten cucumber seeds (mezzolungo Marketer) 1 cm deep in pots containing approximately 500 ml of medium. Plants were grown at a constant temperature of 25oC simbolo 177\\ f "Symbol" \\s 12 2 with 12 hours of illumination per day. The percentage of emerged seedlings, post- and pre-emerg ent damping-off and disease severity were determined at fifteen days after planting. This procedure was repeated on the same substrates, without reinoculation, ten days after harvesting this first trial. The manure medium was the most suppressive to the disease, with percent of emergence, percent of pre-and post-emergence damping-off and disease severity values of 84.5%, 12.0%, 0% and 1.35, respectively, for the first bioassay. The replanting experiment results were 98.5%, 0%, 0% and 1,0, respectively. However, plants grown in this medium in both bioassays were shorter than ones grown in the other media. Peat medium and the mixture sand-peat-manure-compost-wheat straw medium were more conducive to the disease than whe... Mostrar Tudo |
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Palavras-Chave: |
Control; Cucumber. |
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Thesaurus Nal: |
Pythium ultimum. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/153130/1/1997SP010-Bettiol-Control-3406.PDF
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Marc: |
LEADER 02159nam a2200169 a 4500
001 1012815
005 2017-01-10
008 1997 bl uuuu u00u1 u #d
100 1 $aBETTIOL, W.
245 $aControl of cucumber damping-off caused by Pythium ultimum, with organic matter$h[electronic resource]
260 $aIn: CONGRESSO PAULISTA DE FITOPATOLOGIA, 20., 1997, São Paulo, SP. Summa Phytopathologica, v.23, n.1, p.52, 1997. Resumo. ref.008.$c1997
520 $aThe effectiveness of several media soil-sand-pertile (1:1:1 v/v); soil-sand-pertile-manure (1:1:1:3); soil-sand-perlite-compost (1:1:1:3); soil-sand-perlite-peat (1:1:1:3); soil-sand-perlite-straw (1:1:1:3), and sand-perlite-peat-compost-mamure-wheat straw (2:2:1:3:3:1) as suppressers of the cucumber (Cucumis sativus) damping-off causal agent, Pythium ultimum, was evaluated. The media were infested with 12 g/l of Pythium inoculum (broken corn-sand medium), fifteen days before sowing ten cucumber seeds (mezzolungo Marketer) 1 cm deep in pots containing approximately 500 ml of medium. Plants were grown at a constant temperature of 25oC simbolo 177\\ f "Symbol" \\s 12 2 with 12 hours of illumination per day. The percentage of emerged seedlings, post- and pre-emerg ent damping-off and disease severity were determined at fifteen days after planting. This procedure was repeated on the same substrates, without reinoculation, ten days after harvesting this first trial. The manure medium was the most suppressive to the disease, with percent of emergence, percent of pre-and post-emergence damping-off and disease severity values of 84.5%, 12.0%, 0% and 1.35, respectively, for the first bioassay. The replanting experiment results were 98.5%, 0%, 0% and 1,0, respectively. However, plants grown in this medium in both bioassays were shorter than ones grown in the other media. Peat medium and the mixture sand-peat-manure-compost-wheat straw medium were more conducive to the disease than wheat straw medium, resulting in higher occurrence and severity of attack by Pythium.
650 $aPythium ultimum
653 $aControl
653 $aCucumber
700 1 $aMIGHELI, Q.
700 1 $aGARIBALDI, A.
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Registro original: |
Embrapa Meio Ambiente (CNPMA) |
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| Registros recuperados : 8 | |
| 3. |  | BETTIOL, W.; MIGHELI, Q.; GARIBALDI, A. Controle, com matéria orgânica, do tombamento do pepino, causado por Pythium ultimum trow. Pesquisa Agropecuaria Brasileira, Brasilia, v.32, n.1, p.57-61, 1997. p. 57-61| Biblioteca(s): Embrapa Meio Ambiente; Embrapa Unidades Centrais. |
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| 4. | | BETTIOL, W.; MIGHELI, Q.; GARIBALDI, A. Control of cucumber damping-off caused by Pythium ultimum, with organic matter In: CONGRESSO PAULISTA DE FITOPATOLOGIA, 20., 1997, São Paulo, SP. Summa Phytopathologica, v.23, n.1, p.52, 1997. Resumo. ref.008.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 8. | | GHINI, R.; MEZZALAMA, M.; AMBROSOLI, R.; BARBERIS, E.; GARIBALDI, A.; PIEDADE, S. M. de S. Fusarium oxysporum strains as biocontrol agents against fusarium wilt: effects on soil microbial biomass and activity. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 35, n. 1, p. 93-101, jan. 2000. Título em português: Linhagens de Fusarium oxysporum como agentes de biocontrole da murcha-de-fusarium: efeitos na biomassa e atividade microbiana do solo.| Biblioteca(s): Embrapa Unidades Centrais. |
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| Registros recuperados : 8 | |
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