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![](/consulta/web/img/deny.png) | 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 Agrobiologia; Embrapa Milho e Sorgo. |
Data corrente: |
27/06/1995 |
Data da última atualização: |
27/06/1995 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MAGALHAES, J. R.; HUBER, D. M. |
Título: |
Response of ammonium assimilation enzymes to nitrogen form treatments in different plant species. |
Ano de publicação: |
1991 |
Fonte/Imprenta: |
J. Plant Nutr., v. 14, n. 2, p. 175-185, 1991. |
Idioma: |
Inglês |
Conteúdo: |
This series of experiments studied N metabolism in tomato, rice and corn. Ammonium (NH4+), as a sole source of N, reduced tomato and corn growth, but not rice growth. Tomato showed the most severe NH4+ toxicity. Ammonium assimilation enzyme activity differed greatly among the species. Rice had much higher glutamine synthetase (GS) activity than corn and tomato with NH4+ nutrition. GS activity was especially high in shoot tissue. Ammonium induced high activity of glutamate dehydrogenase (GDH) in roots of tomato but not in rice. GS activity in rice increased as the level of NH4+ increased; and it was higher in shoots than roots, indicating GS activity as a key factor in the detoxification and metabolism of NH4+ in green tissues of efficient plant species. |
Palavras-Chave: |
Ammonium; Enzyme; Maize; Tomato. |
Thesagro: |
Amônia; Arroz; Enzima; Metabolismo; Milho; Nitrogênio; Tomate. |
Thesaurus Nal: |
metabolism; nitrogen; rice. |
Categoria do assunto: |
-- W Química e Física |
Marc: |
LEADER 01521naa a2200301 a 4500 001 1620029 005 1995-06-27 008 1991 bl uuuu u00u1 u #d 100 1 $aMAGALHAES, J. R. 245 $aResponse of ammonium assimilation enzymes to nitrogen form treatments in different plant species.$h[electronic resource] 260 $c1991 520 $aThis series of experiments studied N metabolism in tomato, rice and corn. Ammonium (NH4+), as a sole source of N, reduced tomato and corn growth, but not rice growth. Tomato showed the most severe NH4+ toxicity. Ammonium assimilation enzyme activity differed greatly among the species. Rice had much higher glutamine synthetase (GS) activity than corn and tomato with NH4+ nutrition. GS activity was especially high in shoot tissue. Ammonium induced high activity of glutamate dehydrogenase (GDH) in roots of tomato but not in rice. GS activity in rice increased as the level of NH4+ increased; and it was higher in shoots than roots, indicating GS activity as a key factor in the detoxification and metabolism of NH4+ in green tissues of efficient plant species. 650 $ametabolism 650 $anitrogen 650 $arice 650 $aAmônia 650 $aArroz 650 $aEnzima 650 $aMetabolismo 650 $aMilho 650 $aNitrogênio 650 $aTomate 653 $aAmmonium 653 $aEnzyme 653 $aMaize 653 $aTomato 700 1 $aHUBER, D. M. 773 $tJ. Plant Nutr.$gv. 14, n. 2, p. 175-185, 1991.
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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17. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | PEREIRA, M. E. C.; SARGENT, S. A.; MORETTI, C. L.; SIMS, C. A.; HUBER, D. J. Amadurecimento e aceitação sensorial de abacate tratado com solução aquosa de 1-MCP. In:CONGRESSO BRASILEIRO DE FRUTICULTURA, 21., 2010, Natal. Frutas: saúde, inovação e responsabilidade: anais. Natal: Sociedade Brasileira de Fruticultura, 2010. pdf 1601Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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18. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MORETTI, C. L.; SARGENT, S. A.; HUBER, D. J.; PUSCHMANN, R. Armazenamento sob atmosfera controlada de tomates com injúria interna de impacto. Horticultura Brasileira, Brasília, DF, v. 20, n. 3, p. 465-469, set. 2002.Biblioteca(s): Embrapa Hortaliças. |
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19. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | MORETTI, C.; SARGENT, S. A.; HUBER, D. J.; CALBO, A. G.; PUSCHMANN, R. Chemical composition and physical properties of pericarp, locule and placental tissues of tomatoes with internal bruising. Journal of the American Society for Horticultural Science, v.123, n.4, p.656-660, July, 1998.Biblioteca(s): Embrapa Hortaliças. |
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