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Registro Completo |
Biblioteca(s): |
Embrapa Amazônia Oriental; Embrapa Meio-Norte; Embrapa Tabuleiros Costeiros. |
Data corrente: |
02/09/1995 |
Data da última atualização: |
07/09/2010 |
Autoria: |
WARUMBY, J. F.; VEIGA, A. F. de S. L.; LIRA FILHO, H. P.; REYES, J. A.; BESSA, J. M. G.; MELO, G. S. de. |
Título: |
Assinalamento de inimigos naturais da cochonilha Phenacoccus herreni (Homoptera, pseudococcidae) da mandioca no Estado de Pernambuco. |
Ano de publicação: |
1985 |
Fonte/Imprenta: |
Londrina: IAPAR, 1985. |
Páginas: |
6 p. |
Série: |
(IPA. Comunicado técnico, 23). |
Idioma: |
Português |
Palavras-Chave: |
Brasil; Pernambuco; Pests of plants; Pragas. |
Thesagro: |
Cochonilha; Controle Biológico; Mandioca; Praga de Planta; Sintoma. |
Thesaurus Nal: |
biological control; cassava. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00882nam a2200313 a 4500 001 1381465 005 2010-09-07 008 1985 bl uuuu u0uu1 u #d 100 1 $aWARUMBY, J. F. 245 $aAssinalamento de inimigos naturais da cochonilha Phenacoccus herreni (Homoptera, pseudococcidae) da mandioca no Estado de Pernambuco. 260 $aLondrina: IAPAR$c1985 300 $a6 p. 490 $a(IPA. Comunicado técnico, 23). 650 $abiological control 650 $acassava 650 $aCochonilha 650 $aControle Biológico 650 $aMandioca 650 $aPraga de Planta 650 $aSintoma 653 $aBrasil 653 $aPernambuco 653 $aPests of plants 653 $aPragas 700 1 $aVEIGA, A. F. de S. L. 700 1 $aLIRA FILHO, H. P. 700 1 $aREYES, J. A. 700 1 $aBESSA, J. M. G. 700 1 $aMELO, G. S. de
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Embrapa Amazônia Oriental (CPATU) |
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![](/consulta/web/img/deny.png) | 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
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
11/11/2014 |
Data da última atualização: |
07/03/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
TATAGIBA, S. D.; RODRIGUES, F. A.; FILIPPI, M. C. C.; SILVA, G. B.; SILVA, L. C. |
Afiliação: |
SANDRO D. TATAGIBA, UFV; FABRICIO A. RODRIGUES, UFV; MARTA CRISTINA CORSI DE FILIPPI, CNPAF; GISELE BARATA SILVA, UFRA; LEANDRO C. SILVA, UFV. |
Título: |
Physiological responses of rice plants supplied with silicon to Monographella albescens infection. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Journal of Phytopathology, v. 162, n. 9, p. 596-606, Sept. 2014. |
DOI: |
10.1111/jph.12231 |
Idioma: |
Inglês |
Conteúdo: |
This study investigated the effect of silicon (Si) on the resistance of rice plants of the cv. ?Primavera? cultivar that were grown in a nutrient solution with 0 (-Si) or 2 mM (+Si) Si to leaf scald, which is caused by Monographella albescens. The leaf Si concentration increased in the +Si plants (4.8 decag/kg) compared to the -Si plants (0.9 decag/kg), contributing to a reduced expansion of the leaf scald lesions. The extent of the cellular damage that was caused by the oxidative burst in response to the infection by M. albescens was reduced in the +Si plants, as evidenced by the reduced concentration of malondialdehyde. Higher concentrations of total soluble phenolics and lignin-thioglycolic acid derivatives and greater activities of peroxidases (POX), polyphenoloxidases (PPO), phenylalanine ammonialyases (PAL) and lipoxygenases (LOX) in the leaves of the +Si plants also contributed to the increased rice resistance to leaf scald. In contrast, the activities of chitinases and b-1,3-glucanases were higher in the leaves of the -Si plants probably due to the unlimited M. albescens growth in the leaf tissues, as indicated by the larger lesions. The results of this study highlight the potential of Si in decreasing the expansion of the leaf scald lesions concomitantly with the potentiation of phenolic and lignin production, and the greater activities of POX, PPO, PAL and LOX rather than simply acting only as a physical barrier to avoid M. albescens penetration. |
Thesagro: |
Arroz; Doença de planta; Oryza sativa; Silicio. |
Thesaurus NAL: |
Foliar diseases; Monographella albescens; Plant diseases and disorders; Plant nutrition; Rice. |
Categoria do assunto: |
H Saúde e Patologia |
Marc: |
LEADER 02334naa a2200289 a 4500 001 1999633 005 2024-03-07 008 2014 bl uuuu u00u1 u #d 024 7 $a10.1111/jph.12231$2DOI 100 1 $aTATAGIBA, S. D. 245 $aPhysiological responses of rice plants supplied with silicon to Monographella albescens infection.$h[electronic resource] 260 $c2014 520 $aThis study investigated the effect of silicon (Si) on the resistance of rice plants of the cv. ?Primavera? cultivar that were grown in a nutrient solution with 0 (-Si) or 2 mM (+Si) Si to leaf scald, which is caused by Monographella albescens. The leaf Si concentration increased in the +Si plants (4.8 decag/kg) compared to the -Si plants (0.9 decag/kg), contributing to a reduced expansion of the leaf scald lesions. The extent of the cellular damage that was caused by the oxidative burst in response to the infection by M. albescens was reduced in the +Si plants, as evidenced by the reduced concentration of malondialdehyde. Higher concentrations of total soluble phenolics and lignin-thioglycolic acid derivatives and greater activities of peroxidases (POX), polyphenoloxidases (PPO), phenylalanine ammonialyases (PAL) and lipoxygenases (LOX) in the leaves of the +Si plants also contributed to the increased rice resistance to leaf scald. In contrast, the activities of chitinases and b-1,3-glucanases were higher in the leaves of the -Si plants probably due to the unlimited M. albescens growth in the leaf tissues, as indicated by the larger lesions. The results of this study highlight the potential of Si in decreasing the expansion of the leaf scald lesions concomitantly with the potentiation of phenolic and lignin production, and the greater activities of POX, PPO, PAL and LOX rather than simply acting only as a physical barrier to avoid M. albescens penetration. 650 $aFoliar diseases 650 $aMonographella albescens 650 $aPlant diseases and disorders 650 $aPlant nutrition 650 $aRice 650 $aArroz 650 $aDoença de planta 650 $aOryza sativa 650 $aSilicio 700 1 $aRODRIGUES, F. A. 700 1 $aFILIPPI, M. C. C. 700 1 $aSILVA, G. B. 700 1 $aSILVA, L. C. 773 $tJournal of Phytopathology$gv. 162, n. 9, p. 596-606, Sept. 2014.
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Embrapa Arroz e Feijão (CNPAF) |
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