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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
18/12/2019 |
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Data da última atualização: |
25/05/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ANDRADE JÚNIOR, W. V.; OLIVEIRA NETO, C. F. de; SANTOS FILHO, B. G. dos; AMARANTE, C. B. do; CRUZ, E. D.; OKUMURA, R. S.; BARBOSA, A. V. C.; SOUSA, D. J. P. de; TEIXEIRA, J. S. S.; BOTELHO, A. de S. |
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Afiliação: |
Waldemar Viana Andrade Júnior, UFRA; Cândido Ferreira de Oliveira Neto, UFRA; Benedito Gomes dos Santos Filho, UFRA; Cristine Bastos do Amarante, MPEG / UFPA; ENIEL DAVID CRUZ, CPATU; Ricardo Shigueru Okumura, UFRA; Antônio Vinícius Correa Barbosa, UFRA; Diana Jhulia Palheta de Sousa, UFRA; Jéssica Suellen Silva Teixeira, UFRA; Anderson de Santana Botelho, MPEG / UFPA. |
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Título: |
Effect of cadmium on young plants of Virola surinamensis. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
AoB Plants, v. 11, n. 3, plz022, 2019. |
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DOI: |
https://doi.org/10.1093/aobpla/plz022 |
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Idioma: |
Inglês |
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Conteúdo: |
The steady increase in cadmium (Cd) levels in the environment from anthropogenic actions has contributed to environmental degradation. Virola surinamensis is a forest species that has desirable characteristics such as deep and dense roots, relatively rapid growth and high biomass production to remedy contaminated environments by Cd. The aim of this study was to assess the physiological responses and the phytoextraction and tolerance capacity of young plants of V. surinamensis submitted to Cd concentrations. The experimental design was a completely randomized design with five Cd concentrations (0, 15, 30, 45 and 60 mg L−1) for 60 days. Leaf water potential (Ψpd), stomatal conductance (gs) and transpiration (E) reduced in plants exposed to Cd. Lower values of maximum photochemical efficiency of photosystem II (Fv/Fm), electron transport rate (ETR) and photochemical quenching coefficient (qP) were accompanied by reduction of photosynthesis (A) with increasing concentrations of Cd, although the non-photochemical quenching coefficient (NPQ), and intercellular CO2 concentration (Ci) showed increase. Instantaneous water-use efficiency (A/E), net photosynthesis to intercellular CO2 concentration ratio (A/Ci) and total chlorophyll (Chl) reduced with increasing levels of Cd. Cadmium concentrations increased in different plant tissues (root > stem > leaf). The tolerance index (TI) indicated that V. surinamensis presented medium and high tolerance to Cd. The results of bioconcentration factor (BCF) and translocation factor (TF) showed low plant efficacy in Cd phytoextraction and suggest that V. surinamensis may be promising for phytostabilization of Cd. MenosThe steady increase in cadmium (Cd) levels in the environment from anthropogenic actions has contributed to environmental degradation. Virola surinamensis is a forest species that has desirable characteristics such as deep and dense roots, relatively rapid growth and high biomass production to remedy contaminated environments by Cd. The aim of this study was to assess the physiological responses and the phytoextraction and tolerance capacity of young plants of V. surinamensis submitted to Cd concentrations. The experimental design was a completely randomized design with five Cd concentrations (0, 15, 30, 45 and 60 mg L−1) for 60 days. Leaf water potential (Ψpd), stomatal conductance (gs) and transpiration (E) reduced in plants exposed to Cd. Lower values of maximum photochemical efficiency of photosystem II (Fv/Fm), electron transport rate (ETR) and photochemical quenching coefficient (qP) were accompanied by reduction of photosynthesis (A) with increasing concentrations of Cd, although the non-photochemical quenching coefficient (NPQ), and intercellular CO2 concentration (Ci) showed increase. Instantaneous water-use efficiency (A/E), net photosynthesis to intercellular CO2 concentration ratio (A/Ci) and total chlorophyll (Chl) reduced with increasing levels of Cd. Cadmium concentrations increased in different plant tissues (root > stem > leaf). The tolerance index (TI) indicated that V. surinamensis presented medium and high tolerance to Cd. The results of biocon... Mostrar Tudo |
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Thesagro: |
Cádmio; Virola Surinamensis. |
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Thesaurus Nal: |
Cadmium; Photosystem II. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/207378/1/plz022.pdf
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Marc: |
LEADER 02521naa a2200289 a 4500
001 2117176
005 2020-05-25
008 2019 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1093/aobpla/plz022$2DOI
100 1 $aANDRADE JÚNIOR, W. V.
245 $aEffect of cadmium on young plants of Virola surinamensis.$h[electronic resource]
260 $c2019
520 $aThe steady increase in cadmium (Cd) levels in the environment from anthropogenic actions has contributed to environmental degradation. Virola surinamensis is a forest species that has desirable characteristics such as deep and dense roots, relatively rapid growth and high biomass production to remedy contaminated environments by Cd. The aim of this study was to assess the physiological responses and the phytoextraction and tolerance capacity of young plants of V. surinamensis submitted to Cd concentrations. The experimental design was a completely randomized design with five Cd concentrations (0, 15, 30, 45 and 60 mg L−1) for 60 days. Leaf water potential (Ψpd), stomatal conductance (gs) and transpiration (E) reduced in plants exposed to Cd. Lower values of maximum photochemical efficiency of photosystem II (Fv/Fm), electron transport rate (ETR) and photochemical quenching coefficient (qP) were accompanied by reduction of photosynthesis (A) with increasing concentrations of Cd, although the non-photochemical quenching coefficient (NPQ), and intercellular CO2 concentration (Ci) showed increase. Instantaneous water-use efficiency (A/E), net photosynthesis to intercellular CO2 concentration ratio (A/Ci) and total chlorophyll (Chl) reduced with increasing levels of Cd. Cadmium concentrations increased in different plant tissues (root > stem > leaf). The tolerance index (TI) indicated that V. surinamensis presented medium and high tolerance to Cd. The results of bioconcentration factor (BCF) and translocation factor (TF) showed low plant efficacy in Cd phytoextraction and suggest that V. surinamensis may be promising for phytostabilization of Cd.
650 $aCadmium
650 $aPhotosystem II
650 $aCádmio
650 $aVirola Surinamensis
700 1 $aOLIVEIRA NETO, C. F. de
700 1 $aSANTOS FILHO, B. G. dos
700 1 $aAMARANTE, C. B. do
700 1 $aCRUZ, E. D.
700 1 $aOKUMURA, R. S.
700 1 $aBARBOSA, A. V. C.
700 1 $aSOUSA, D. J. P. de
700 1 $aTEIXEIRA, J. S. S.
700 1 $aBOTELHO, A. de S.
773 $tAoB Plants$gv. 11, n. 3, plz022, 2019.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
19/02/2009 |
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Data da última atualização: |
19/03/2009 |
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Tipo da produção científica: |
Monitoramento/Zoneamento |
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Autoria: |
CARVALHO JUNIOR, W. de; CHAGAS, C. da S.; BHERING, S. B.; SILVA, E. F. da; AMARAL, F. C. S. do; PEREIRA, N. R.; GONÇALVES, A. O.; ZARONI, M. J.; PINHEIRO, T. S. A. D.; FERNANDES, T. G.; RODRIGUES, R. S. |
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Afiliação: |
Waldir de Carvalho Júnior, Embrapa Solos; César da Silva Chagas, Embrapa Solos; Silvio Barge Bhering, Embrapa Solos; Enio Fraga da Silva, Embrapa Solos; Fernando César Saraiva do Amaral, Embrapa Solos; Nilson Rendeiro Pereira, Embrapa Solos; Alexandre Ortega Gonçalves, Embrapa Solos; Maria José Zaroni, Embrapa Solos; Thalita Shamyra Alves Dantas Pinheiro, UERJ; Tamara G. Fernandes, UFF; Renata S. Rodrigues, UFF. |
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Título: |
[Mapa] zoneamento agroecológico para arroz do município de Caracol. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
In: ZONEAMENTO agroecológico do Estado do Mato Grosso do Sul: municípios - fase 1 Antônio João; Bela Vista; Bodoquena; Bonito; Caracol; Guia Lopes da Laguna; Jardim; Miranda; Níoaque; Ponta Porã e Porto Murtinho.Cuiabá: SEPROTUR; Rio de Janeiro: Embrapa Solos, 2008. |
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Descrição Física: |
mapa color,; escala 1:100.000. |
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Idioma: |
Português |
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Notas: |
Este mapa faz parte do Relatório Técnico, Convênio n. 03.05.0.01.64.00. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01005nem a2200241 a 4500
001 1339887
005 2009-03-19
008 2008 bl uuuu u0uu1 u #d
100 1 $aCARVALHO JUNIOR, W. de
245 $a[Mapa] zoneamento agroecológico para arroz do município de Caracol.
260 $aIn: ZONEAMENTO agroecológico do Estado do Mato Grosso do Sul: municípios - fase 1 Antônio João; Bela Vista; Bodoquena; Bonito; Caracol; Guia Lopes da Laguna; Jardim; Miranda; Níoaque; Ponta Porã e Porto Murtinho.Cuiabá: SEPROTUR; Rio de Janeiro: Embrapa Solos$c2008
300 $cmapa color,; escala 1:100.000.
500 $aEste mapa faz parte do Relatório Técnico, Convênio n. 03.05.0.01.64.00.
700 1 $aCHAGAS, C. da S.
700 1 $aBHERING, S. B.
700 1 $aSILVA, E. F. da
700 1 $aAMARAL, F. C. S. do
700 1 $aPEREIRA, N. R.
700 1 $aGONÇALVES, A. O.
700 1 $aZARONI, M. J.
700 1 $aPINHEIRO, T. S. A. D.
700 1 $aFERNANDES, T. G.
700 1 $aRODRIGUES, R. S.
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Embrapa Solos (CNPS) |
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