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| Acesso ao texto completo restrito à biblioteca da Embrapa Agroenergia. Para informações adicionais entre em contato com cnpae.biblioteca@embrapa.br. |
Registro Completo |
Biblioteca(s): |
Embrapa Agroenergia. |
Data corrente: |
06/07/2020 |
Data da última atualização: |
08/07/2020 |
Tipo da produção científica: |
Artigo de Divulgação na Mídia |
Autoria: |
LOPES, M. A. |
Afiliação: |
MAURICIO ANTONIO LOPES, CNPAE. |
Título: |
Horizonte de 2050. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Revista Globo Rural, n. 395, p. 50, set. 2018. Futuro. |
Idioma: |
Português |
Thesagro: |
Nutrição Humana; Segurança Alimentar; Sistema de Alimentação. |
Thesaurus Nal: |
Food security; Human nutrition. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00460nam a2200157 a 4500 001 2123650 005 2020-07-08 008 2018 bl uuuu u00u1 u #d 100 1 $aLOPES, M. A. 245 $aHorizonte de 2050.$h[electronic resource] 260 $aRevista Globo Rural, n. 395, p. 50, set. 2018. Futuro.$c2018 650 $aFood security 650 $aHuman nutrition 650 $aNutrição Humana 650 $aSegurança Alimentar 650 $aSistema de Alimentação
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| Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
29/11/2001 |
Data da última atualização: |
07/06/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PACCOLA-MEIRELLES, L.D.; FERREIRA, A. S.; MEIRELLES, W. F.; MARRIEL, I. E.; CASELA, C. R. |
Afiliação: |
WALTER FERNANDES MEIRELLES, CNPMS; IVANILDO EVODIO MARRIEL, CNPMS. |
Título: |
Detection of a bacterium associated with a leaf spot disease of maize in Brazil. |
Ano de publicação: |
2001 |
Fonte/Imprenta: |
Journal of Phytopathology, Berlin, v. 149, p. 275-279, 2001. |
Idioma: |
Português |
Conteúdo: |
A leaf spot disease of maize occuring in Brazil in the 1980s was described as being caused by the ascomycete Phaeosphaeria maydis (P. Henn) Rane. Payak and Renfro (imperfect from Phyllosticta sp.). Disease symptoms were dark-green water-soaked spots that later became necrotic lesions. There are no reports at present in the literature of re-infection by the fungus under controlled conditions, casting doubt on the drue identity of the pathogen. In this study, cytological analyses of lesions at the initial stages did not detect the presence of fungal structures. Bacterial colonies with yellow pigmentation were isolated from the lesions, which reacted positively in hypersensitivity tests in tobacco plants. Maize plants were inoculated with the isolated bacteria. After 72 h incubation in a dew chamber, plants were transferred to a greenhouse, where they remained until evaluation. Typical symptoms of the disease were observed 5-7 days after inoculation of plants, only on treatments inoculated with the bacteria. The bacterium was re-isolated, which suggests its involvement in the initial phases of disease. The bacterium was identified as Pantoea ananas (synonym Erwinia ananas). |
Palavras-Chave: |
Erwinia ananas; Maize; Pantoea ananas. |
Thesagro: |
Milho; Phaeosphaeria Maydis. |
Thesaurus NAL: |
Phyllosticta. |
Categoria do assunto: |
H Saúde e Patologia |
Marc: |
LEADER 01884naa a2200241 a 4500 001 1485166 005 2018-06-07 008 2001 bl uuuu u00u1 u #d 100 1 $aPACCOLA-MEIRELLES, L.D. 245 $aDetection of a bacterium associated with a leaf spot disease of maize in Brazil.$h[electronic resource] 260 $c2001 520 $aA leaf spot disease of maize occuring in Brazil in the 1980s was described as being caused by the ascomycete Phaeosphaeria maydis (P. Henn) Rane. Payak and Renfro (imperfect from Phyllosticta sp.). Disease symptoms were dark-green water-soaked spots that later became necrotic lesions. There are no reports at present in the literature of re-infection by the fungus under controlled conditions, casting doubt on the drue identity of the pathogen. In this study, cytological analyses of lesions at the initial stages did not detect the presence of fungal structures. Bacterial colonies with yellow pigmentation were isolated from the lesions, which reacted positively in hypersensitivity tests in tobacco plants. Maize plants were inoculated with the isolated bacteria. After 72 h incubation in a dew chamber, plants were transferred to a greenhouse, where they remained until evaluation. Typical symptoms of the disease were observed 5-7 days after inoculation of plants, only on treatments inoculated with the bacteria. The bacterium was re-isolated, which suggests its involvement in the initial phases of disease. The bacterium was identified as Pantoea ananas (synonym Erwinia ananas). 650 $aPhyllosticta 650 $aMilho 650 $aPhaeosphaeria Maydis 653 $aErwinia ananas 653 $aMaize 653 $aPantoea ananas 700 1 $aFERREIRA, A. S. 700 1 $aMEIRELLES, W. F. 700 1 $aMARRIEL, I. E. 700 1 $aCASELA, C. R. 773 $tJournal of Phytopathology, Berlin$gv. 149, p. 275-279, 2001.
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