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| 11. |  | PEREIRA, H. S.; VITTI, C. G.; KORNDORFER, G. H. Comportamento de fontes de sílicio no solo e na cultura do tomateiro. Horticultura Brasileira, Brasília, v. 20, n. 2, jul. 2002. Suplemento 2. Trabalho apresentado no 42º Congresso Brasileiro de Olericultura, 2002. Publicado também como resumo em: Horticultura Brasileira, Brasília, v. 20, n. 2, p. 399, jul. 2002. Suplemento 1.| Biblioteca(s): Embrapa Hortaliças. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
16/03/2004 |
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Data da última atualização: |
04/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
RODRIGUES, F. Á.; VALE, F. X. R.; KORNDÖRFER, G. H.; PRABHU, A. S.; DATNOFF, L. E.; OLIVEIRA, A. M. A.; ZAMBOLIM, L. |
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Afiliação: |
ANNE SITARAMA PRABHU, CNPAF. |
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Título: |
Influence of silicon on sheath blight of rice in Brazil. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Crop Protection, Surrey, v. 22, n. 1, p. 23-29, Feb. 2003. |
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DOI: |
10.1016/S0261-2194(02)00084-4 |
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Idioma: |
Inglês |
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Conteúdo: |
The effect of silicon (Si) on sheath blight (Rhizoctonia solani Kühn) of rice was studied under greenhouse conditions. The predominant commercial rice cultivars BR-IRGA 409, Metica-1, EPAGRI-109, Rio Formoso, Javaé, and CICA-8, were grown in pots containing low-Si soil amended with 0, 0.48, 0.96, 1.44 or 1.92 g Si pot-1. Plants were inoculated at the maximum tillering stage. For all cultivars, Si concentration in straw increased more than 60% as the rates of Si increased from 0 to 1.92 g pot-1. Incubation period of R. solani was slightly prolonged with increasing Si rates and ranged from 53 to 64 h depending upon the cultivar. Total number of sheath blight lesions, total area under the relative lesion extension progress curve, severity of sheath blight, and the highest relative lesion height on the main tiller decreased by 37%, 40%, 52% and 24%, respectively, as the rate of Si increased from 0 to 1.92 g pot-1. Silicon may offer a viable method to control sheath blight in areas where soil is deficient in Si and cultivars with sheath blight resistance are not commercially available. |
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Palavras-Chave: |
Host resistance. |
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Thesagro: |
Arroz; Oryza Sativa; Rhizoctonia Solani. |
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Thesaurus NAL: |
calcium silicate; nutrition; rice. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 01904naa a2200289 a 4500
001 1211957
005 2022-05-04
008 2003 bl uuuu u00u1 u #d
024 7 $a10.1016/S0261-2194(02)00084-4$2DOI
100 1 $aRODRIGUES, F. Á.
245 $aInfluence of silicon on sheath blight of rice in Brazil.$h[electronic resource]
260 $c2003
520 $aThe effect of silicon (Si) on sheath blight (Rhizoctonia solani Kühn) of rice was studied under greenhouse conditions. The predominant commercial rice cultivars BR-IRGA 409, Metica-1, EPAGRI-109, Rio Formoso, Javaé, and CICA-8, were grown in pots containing low-Si soil amended with 0, 0.48, 0.96, 1.44 or 1.92 g Si pot-1. Plants were inoculated at the maximum tillering stage. For all cultivars, Si concentration in straw increased more than 60% as the rates of Si increased from 0 to 1.92 g pot-1. Incubation period of R. solani was slightly prolonged with increasing Si rates and ranged from 53 to 64 h depending upon the cultivar. Total number of sheath blight lesions, total area under the relative lesion extension progress curve, severity of sheath blight, and the highest relative lesion height on the main tiller decreased by 37%, 40%, 52% and 24%, respectively, as the rate of Si increased from 0 to 1.92 g pot-1. Silicon may offer a viable method to control sheath blight in areas where soil is deficient in Si and cultivars with sheath blight resistance are not commercially available.
650 $acalcium silicate
650 $anutrition
650 $arice
650 $aArroz
650 $aOryza Sativa
650 $aRhizoctonia Solani
653 $aHost resistance
700 1 $aVALE, F. X. R.
700 1 $aKORNDÖRFER, G. H.
700 1 $aPRABHU, A. S.
700 1 $aDATNOFF, L. E.
700 1 $aOLIVEIRA, A. M. A.
700 1 $aZAMBOLIM, L.
773 $tCrop Protection, Surrey$gv. 22, n. 1, p. 23-29, Feb. 2003.
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Embrapa Arroz e Feijão (CNPAF) |
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