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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
12/07/2002 |
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Data da última atualização: |
12/07/2002 |
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Autoria: |
ANDRADE, L. R. M. de; IKEDA, M.; ISHIZUKA, J. |
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Título: |
Excretion and metabolism of malic acid produced by dark carbon fixation in roots in relation to aluminium tolerance of wheat. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
Plant nutrition: for sustainable food production and environment. Japao: Kluwer Academic, 1997. p. 445-446. |
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Idioma: |
Inglês |
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Conteúdo: |
The effect of aluminium (Al) on the metabolism of malate synthesized via dark carbon fixation was investigated in Al-tolerant Shirosanjyaku (SH) and Al sensitive Chikushikomugi (CK) wheat (Triticum aestivum L.) roots labeled with bicarbonate- 14C. Al (100 µ M) triggered the excretion of 14C to the bathing solution, especially in
SH. Al decreased the malate concentrations in roots of both cultivares, and CK roots always had higher concentrations, regardless of Al treatment. Al elicited the excretion of malate to the solution by roots of both cultivars, but it was more preonounced in SH. Differential Al tolerance between SH and CK seems to be due to the higler ability of SH to excrete malic acid to the brhizosphere, independent of its concentration in the roots.
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Palavras-Chave: |
Organicas acids; Tolerancia. |
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Thesagro: |
Ácido Orgânico; Alumínio; Cerrado. |
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Thesaurus Nal: |
wheat. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01455naa a2200217 a 4500
001 1557629
005 2002-07-12
008 1997 bl --- 0-- u #d
100 1 $aANDRADE, L. R. M. de
245 $aExcretion and metabolism of malic acid produced by dark carbon fixation in roots in relation to aluminium tolerance of wheat.
260 $c1997
520 $aThe effect of aluminium (Al) on the metabolism of malate synthesized via dark carbon fixation was investigated in Al-tolerant Shirosanjyaku (SH) and Al sensitive Chikushikomugi (CK) wheat (Triticum aestivum L.) roots labeled with bicarbonate- 14C. Al (100 µ M) triggered the excretion of 14C to the bathing solution, especially in SH. Al decreased the malate concentrations in roots of both cultivares, and CK roots always had higher concentrations, regardless of Al treatment. Al elicited the excretion of malate to the solution by roots of both cultivars, but it was more preonounced in SH. Differential Al tolerance between SH and CK seems to be due to the higler ability of SH to excrete malic acid to the brhizosphere, independent of its concentration in the roots.
650 $awheat
650 $aÁcido Orgânico
650 $aAlumínio
650 $aCerrado
653 $aOrganicas acids
653 $aTolerancia
700 1 $aIKEDA, M.
700 1 $aISHIZUKA, J.
773 $tPlant nutrition: for sustainable food production and environment. Japao: Kluwer Academic, 1997. p. 445-446.
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| Registros recuperados : 151 | |
| 4. |  | CARVALHO, A. M. de; ANDRADE, L. R. M. de. Biomassa e teores de nutrientes na parte aerea de adubos verdes. In: REUNIAO BRAS. FERTILIDADE DO SOLO E NUTRICAO DE PLANTAS, 23.; REUNIAO BRASILEIRA SOBRE MICORRIZAS, 7.; SIMPOSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 5.; REUNIAO BRASILEIRA DE BIOLOGIA DO SOLO, 2., 1998, Caxambu, MG. FertBio 98: resumos. Caxambu: UFLA, 1998. p.343. Interrelacao fertilidade, biologia do solo e nutricao de plantas: consolidando um paradigma.| Biblioteca(s): Embrapa Cerrados. |
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| 19. | | ANDRADE, L. R. M. de; JUNQUEIRA, N. T. V.; LAZARINI, C. E.; VIVALDI, L. Caracterizacao de deficiencias nutricionais em porta-enxertos de seringueira cultivados em solos de cerrados. In: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 26., 1997, Rio de Janeiro. Informacao, globalizacao, uso do solo: anais. Rio de Janeiro: SBCS, 1997. p.5-8. Carlos Eduardo Lazarini da Fonseca.| Biblioteca(s): Embrapa Cerrados. |
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| 20. | | MOREIRA, L.; MARTINS, E. de S.; REATTO, A.; ANDRADE, L. R. M. de; GOUVEA, P. R. Caracterizacao ambiental das terras indigenas Kraho. In: CONGRESSO BRASILEIRO DE CARTOGRAFIA, 20.; CONGRESSO NACIONAL DE ENGENHARIA DE AGRIMENSURA, 9.; CONFERENCIA IBERO-AMERICANA DE SIG, 8., 2001, Porto Alegre. O espaco sem fronteiras. nao paginado.| Biblioteca(s): Embrapa Cerrados. |
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| Registros recuperados : 151 | |
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