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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
18/02/2008 |
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Data da última atualização: |
17/03/2008 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
CUNHA, K. P. V.; NASCIMENTO, C. W. A.; PIMENTEL, R. M. M.; ACCIOLY, A. M. A.; SILVA, A. J. |
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Afiliação: |
K. P. V. Cunha, Universidade Federal Rural de Pernambuco; C. W. A. Nascimento, Universidade Federal Rural de Pernambuco; R. M. M. Pimentel, Universidade Federal Rural de Pernambuco; Adriana Maria de Aguiar Accioly, CNPMF; A. J. Silva, Universidade Federal Rural de Pernambuco. |
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Título: |
Biogeochemistry of trace elements: environmental protection, remediation and human health. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
In: ZHU, Y.; LEPP, N.; NAIDU, R. (Ed.). Biogeochemistry of trace elements: environmental protection, remediation and human health. Bei Jing: Tsinghua University Press, 2007. p. 160-161. |
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ISBN: |
978-7-302-15627-7 |
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Idioma: |
Inglês |
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Conteúdo: |
Determination of toxic concentration of metals in soils is needed to support legislations on soil pollution by trace metals. High concentrations of metals in plants are generally associated with visual symptoms of toxicity and anatomical alterations at cellular level. The work was carried out to determine the critical toxic concentration of cadmium (Cd) in an Ultisol cultivated with com (Zea mays L.) and its relation to toxicity symptoms. Plants were grown for 30 days in pots containing five rates of Cd (0, 1, 3, 5, 10 and 20 mg * kg -¹) added as CdCl2 solution. The critical concentration of Cd in soil, which caused a 30% reduction in dry matter production, was 10 mg * kg -¹. Chlorotic and coiled leaves were the most common visual symptoms of Cd toxicity. In creased lignification of the cell wall in several cell tissues was also observed. |
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Palavras-Chave: |
Cadmium tolerance; Metal toxicity; Trace element. |
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Categoria do assunto: |
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Marc: |
LEADER 01617naa a2200217 a 4500
001 1645408
005 2008-03-17
008 2007 bl uuuu u00u1 u #d
020 $a978-7-302-15627-7
100 1 $aCUNHA, K. P. V.
245 $aBiogeochemistry of trace elements$benvironmental protection, remediation and human health.
260 $c2007
520 $aDetermination of toxic concentration of metals in soils is needed to support legislations on soil pollution by trace metals. High concentrations of metals in plants are generally associated with visual symptoms of toxicity and anatomical alterations at cellular level. The work was carried out to determine the critical toxic concentration of cadmium (Cd) in an Ultisol cultivated with com (Zea mays L.) and its relation to toxicity symptoms. Plants were grown for 30 days in pots containing five rates of Cd (0, 1, 3, 5, 10 and 20 mg * kg -¹) added as CdCl2 solution. The critical concentration of Cd in soil, which caused a 30% reduction in dry matter production, was 10 mg * kg -¹. Chlorotic and coiled leaves were the most common visual symptoms of Cd toxicity. In creased lignification of the cell wall in several cell tissues was also observed.
653 $aCadmium tolerance
653 $aMetal toxicity
653 $aTrace element
700 1 $aNASCIMENTO, C. W. A.
700 1 $aPIMENTEL, R. M. M.
700 1 $aACCIOLY, A. M. A.
700 1 $aSILVA, A. J.
773 $tIn: ZHU, Y.; LEPP, N.; NAIDU, R. (Ed.). Biogeochemistry of trace elements: environmental protection, remediation and human health. Bei Jing: Tsinghua University Press, 2007. p. 160-161.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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| 1. |  | AUCCASIE, R.; MAZIERO, J.; CELERI, L. C.; SOARES-PINTO, D. O.; AZEVEDO, E. R.; BONAGAMBA, R. S.; SARTHOUR, R. S.; OLIVEIRA, I. S.; SERRA, R. M. Experimentally witnessing the quantumness of correlations. Physical Review Letters, v. 107, n. 7, p. 070501-070501-5, Aug. 2011.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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