| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Biblioteca Rui Tendinha. |
|
Data corrente: |
07/10/2016 |
|
Data da última atualização: |
28/09/2017 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
GUIMARÃES, L. A. de O. P. G.; DIAS, L. E.; ASSIS, I. R. de.; CORDEIRO, A. L. |
|
Afiliação: |
Lorena Abdalla de Oliveira Prata Guimarães, Incaper; Luiz E. Dias, UFV; Igor R. de Assis, UFV; Amanda L. Cordeiro, INPA. |
|
Título: |
Cultivation of vetiver in saline tailings contaminated with arsenic under phosphorus doses. |
|
Ano de publicação: |
2016 |
|
Fonte/Imprenta: |
REVISTA BRASILEIRA DE ENGENHARIA AGRÍCOLA AMBIENTAL, Campina Grande, v. 20, n. 10, p.891-896, oct. 2016. |
|
DOI: |
http://dx.doi.org/10.1590/1807-1929/agriambi.v20n10p891-896 |
|
Idioma: |
Inglês |
|
Conteúdo: |
The processing of gold ores exploited in Paracatu, MG, generates tailings that are challenging for revegetation, mainly because of the high content of arsenic and salinity. Aiming at the revegetation of the area of disposal of these tailings, the objective of this study was to evaluate the effects of phosphorus doses on vetiver plants (Chrysopogon zizanioides) and on the planting substrate, which consisted of tailings from the processing of ore named B1, exploited in Paracatu, with water restriction. Vetiver was grown for four months in the substrate under doses of 0, 140, 280, 560 and 1280 mg kg-1 of P2O5. Increasing doses of phosphorus improved the chemical characteristics of the substrate. However, the highest dose (1280 mg kg-1 P2O5) resulted in higher toxicity of arsenic for the plants. Under the evaluated conditions, the dose of 560 mg kg-1 of P2O5 is the most suitable for the fertilization of vetiver and, therefore, also for the revegetation of the substrate. Vetiver survives under low availability of water in the tailings.
O beneficiamento dos minérios de ouro explotados em Paracatu, MG, gera rejeitos com características limitantes à revegetação, principalmente pelo elevado teor de arsênio e salinidade. Visando à revegetação da área de depósito desses rejeitos, o objetivo deste trabalho foi avaliar os efeitos de doses de fósforo sobre plantas de vetiver (Chrysopogon zizanioides) e sobre o substrato de plantio, que consistiu em um rejeito proveniente do beneficiamento do minério denominado B1, explotado em Paracatu, com restrição hídrica. O vetiver foi cultivado durante quatro meses no substrato sob as doses de 0, 140, 280, 560 e 1280 mg kg-1 de P2O5. Com o aumento das doses de fósforo houve melhoria nas características químicas do substrato, porém a dose mais elevada (1280 mg kg-1 de P2O5) propiciou maior toxicidade de arsênio nas plantas. Nas condições avaliadas, a dose de 560 mg kg-1 de P2O5 é a mais adequada para a adubação do vetiver, visando à revegetação do substrato. O vetiver sobrevive à baixa disponibilidade de água no rejeito. MenosThe processing of gold ores exploited in Paracatu, MG, generates tailings that are challenging for revegetation, mainly because of the high content of arsenic and salinity. Aiming at the revegetation of the area of disposal of these tailings, the objective of this study was to evaluate the effects of phosphorus doses on vetiver plants (Chrysopogon zizanioides) and on the planting substrate, which consisted of tailings from the processing of ore named B1, exploited in Paracatu, with water restriction. Vetiver was grown for four months in the substrate under doses of 0, 140, 280, 560 and 1280 mg kg-1 of P2O5. Increasing doses of phosphorus improved the chemical characteristics of the substrate. However, the highest dose (1280 mg kg-1 P2O5) resulted in higher toxicity of arsenic for the plants. Under the evaluated conditions, the dose of 560 mg kg-1 of P2O5 is the most suitable for the fertilization of vetiver and, therefore, also for the revegetation of the substrate. Vetiver survives under low availability of water in the tailings.
O beneficiamento dos minérios de ouro explotados em Paracatu, MG, gera rejeitos com características limitantes à revegetação, principalmente pelo elevado teor de arsênio e salinidade. Visando à revegetação da área de depósito desses rejeitos, o objetivo deste trabalho foi avaliar os efeitos de doses de fósforo sobre plantas de vetiver (Chrysopogon zizanioides) e sobre o substrato de plantio, que consistiu em um rejeito proveniente do beneficiamento... Mostrar Tudo |
|
Palavras-Chave: |
Chrysopogon zizanioides; Mineração de ouro; Recuperação ambiental; Substrato sulfetado. |
|
Thesaurus NAL: |
Chrysopogon zizanioides; Environmental reclamation; Gold mining; Sulfide substrate. |
|
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
URL: |
http://biblioteca.incaper.es.gov.br/digital/bitstream/item/2358/1/BRT-cultivationofvetiverinsaline-guimaraes.pdf
|
|
Marc: |
LEADER 03040naa a2200265 a 4500
001 1012657
005 2017-09-28
008 2016 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1590/1807-1929/agriambi.v20n10p891-896$2DOI
100 1 $aGUIMARÃES, L. A. de O. P. G.
245 $aCultivation of vetiver in saline tailings contaminated with arsenic under phosphorus doses.$h[electronic resource]
260 $c2016
520 $aThe processing of gold ores exploited in Paracatu, MG, generates tailings that are challenging for revegetation, mainly because of the high content of arsenic and salinity. Aiming at the revegetation of the area of disposal of these tailings, the objective of this study was to evaluate the effects of phosphorus doses on vetiver plants (Chrysopogon zizanioides) and on the planting substrate, which consisted of tailings from the processing of ore named B1, exploited in Paracatu, with water restriction. Vetiver was grown for four months in the substrate under doses of 0, 140, 280, 560 and 1280 mg kg-1 of P2O5. Increasing doses of phosphorus improved the chemical characteristics of the substrate. However, the highest dose (1280 mg kg-1 P2O5) resulted in higher toxicity of arsenic for the plants. Under the evaluated conditions, the dose of 560 mg kg-1 of P2O5 is the most suitable for the fertilization of vetiver and, therefore, also for the revegetation of the substrate. Vetiver survives under low availability of water in the tailings. O beneficiamento dos minérios de ouro explotados em Paracatu, MG, gera rejeitos com características limitantes à revegetação, principalmente pelo elevado teor de arsênio e salinidade. Visando à revegetação da área de depósito desses rejeitos, o objetivo deste trabalho foi avaliar os efeitos de doses de fósforo sobre plantas de vetiver (Chrysopogon zizanioides) e sobre o substrato de plantio, que consistiu em um rejeito proveniente do beneficiamento do minério denominado B1, explotado em Paracatu, com restrição hídrica. O vetiver foi cultivado durante quatro meses no substrato sob as doses de 0, 140, 280, 560 e 1280 mg kg-1 de P2O5. Com o aumento das doses de fósforo houve melhoria nas características químicas do substrato, porém a dose mais elevada (1280 mg kg-1 de P2O5) propiciou maior toxicidade de arsênio nas plantas. Nas condições avaliadas, a dose de 560 mg kg-1 de P2O5 é a mais adequada para a adubação do vetiver, visando à revegetação do substrato. O vetiver sobrevive à baixa disponibilidade de água no rejeito.
650 $aChrysopogon zizanioides
650 $aEnvironmental reclamation
650 $aGold mining
650 $aSulfide substrate
653 $aChrysopogon zizanioides
653 $aMineração de ouro
653 $aRecuperação ambiental
653 $aSubstrato sulfetado
700 1 $aDIAS, L. E.
700 1 $aASSIS, I. R. de.
700 1 $aCORDEIRO, A. L.
773 $tREVISTA BRASILEIRA DE ENGENHARIA AGRÍCOLA AMBIENTAL, Campina Grande$gv. 20, n. 10, p.891-896, oct. 2016.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Biblioteca Rui Tendinha (BRT) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Biblioteca Rui Tendinha. Para informações adicionais entre em contato com biblioteca@incaper.es.gov.br. |
|
Registro Completo |
|
Biblioteca(s): |
Biblioteca Rui Tendinha. |
|
Data corrente: |
17/04/2018 |
|
Data da última atualização: |
17/04/2018 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 1 |
|
Autoria: |
MADRONERO, J.; RODRIGUES, S. P.; ANTUNES, T. F. S.; ABREU, P. M. V.; VENTURA, J. A.; FERNANDES, A. A. R.; FERNANDES, P. M. B. |
|
Afiliação: |
Johana Madroñero, UFES; Silas P. Rodrigues, UFES; Tathiana F. S. Antunes, UFES; Paolla M. V. Abreu, UFES; Jose Aires Ventura, Incaper; A. Alberto R. Fernandes, UFES; Patricia Machado Bueno Fernandes, UFES. |
|
Título: |
Transcriptome analysis provides insights into the delayed sticky disease symptoms in Carica papaya |
|
Ano de publicação: |
2018 |
|
Fonte/Imprenta: |
Plant Cell Reports, p. 1-14, 2018. |
|
Idioma: |
Português |
|
Conteúdo: |
Carica papaya plants develop the papaya sticky disease (PSD) as a result of the combined infection of papaya meleira virus (PMeV) and papaya meleira virus 2 (PMeV2), or PMeV complex. PSD symptoms appear only after C. papaya flowers. To understand the mechanisms involved in this phenomenon, the global gene expression patterns of PMeV complex-infected C. papaya at pre-and post-flowering stages were assessed by RNA-Seq. The result was 633 and 88 differentially expressed genes at pre- and post-flowering stages, respectively. At pre-flowering stage, genes related to stress and transport were up-regulated while metabolism-related genes were down-regulated. It was observed that induction of several salicylic acid (SA)-activated genes, including PR1, PR2, PR5, WRKY transcription factors, ROS and callose genes, suggesting SA signaling involvement in the delayed symptoms. In fact, pre-flowering C. papaya treated with exogenous SA showed a tendency to decrease the PMeV and PMeV2 loads when compared to control plants. However, pre-flowering C. papaya also accumulated transcripts encoding a NPR1-inhibitor (NPR1-I/NIM1-I) candidate, genes coding for UDP-glucosyltransferases (UGTs) and several genes involved with ethylene pathway, known to be negative regulators of SA signaling. At post-flowering, when PSD symptoms appeared, the down-regulation of PR-1 encoding gene and the induction of BSMT1 and JA metabolism-related genes were observed. Hence, SA signaling likely operates at the pre-flowering stage of PMeV complex-infected C. papaya inhibiting the development of PSD symptoms, but the induction of its negative regulators prevents the full-scale and long-lasting tolerance. MenosCarica papaya plants develop the papaya sticky disease (PSD) as a result of the combined infection of papaya meleira virus (PMeV) and papaya meleira virus 2 (PMeV2), or PMeV complex. PSD symptoms appear only after C. papaya flowers. To understand the mechanisms involved in this phenomenon, the global gene expression patterns of PMeV complex-infected C. papaya at pre-and post-flowering stages were assessed by RNA-Seq. The result was 633 and 88 differentially expressed genes at pre- and post-flowering stages, respectively. At pre-flowering stage, genes related to stress and transport were up-regulated while metabolism-related genes were down-regulated. It was observed that induction of several salicylic acid (SA)-activated genes, including PR1, PR2, PR5, WRKY transcription factors, ROS and callose genes, suggesting SA signaling involvement in the delayed symptoms. In fact, pre-flowering C. papaya treated with exogenous SA showed a tendency to decrease the PMeV and PMeV2 loads when compared to control plants. However, pre-flowering C. papaya also accumulated transcripts encoding a NPR1-inhibitor (NPR1-I/NIM1-I) candidate, genes coding for UDP-glucosyltransferases (UGTs) and several genes involved with ethylene pathway, known to be negative regulators of SA signaling. At post-flowering, when PSD symptoms appeared, the down-regulation of PR-1 encoding gene and the induction of BSMT1 and JA metabolism-related genes were observed. Hence, SA signaling likely operates at the pre-flow... Mostrar Tudo |
|
Thesaurus NAL: |
Carica papaya; Defense responses; Papaya meleira virus; Transcriptome Plant'virus interaction. |
|
Categoria do assunto: |
-- |
|
Marc: |
LEADER 02422naa a2200241 a 4500
001 1020018
005 2018-04-17
008 2018 bl uuuu u00u1 u #d
100 1 $aMADRONERO, J.
245 $aTranscriptome analysis provides insights into the delayed sticky disease symptoms in Carica papaya$h[electronic resource]
260 $c2018
520 $aCarica papaya plants develop the papaya sticky disease (PSD) as a result of the combined infection of papaya meleira virus (PMeV) and papaya meleira virus 2 (PMeV2), or PMeV complex. PSD symptoms appear only after C. papaya flowers. To understand the mechanisms involved in this phenomenon, the global gene expression patterns of PMeV complex-infected C. papaya at pre-and post-flowering stages were assessed by RNA-Seq. The result was 633 and 88 differentially expressed genes at pre- and post-flowering stages, respectively. At pre-flowering stage, genes related to stress and transport were up-regulated while metabolism-related genes were down-regulated. It was observed that induction of several salicylic acid (SA)-activated genes, including PR1, PR2, PR5, WRKY transcription factors, ROS and callose genes, suggesting SA signaling involvement in the delayed symptoms. In fact, pre-flowering C. papaya treated with exogenous SA showed a tendency to decrease the PMeV and PMeV2 loads when compared to control plants. However, pre-flowering C. papaya also accumulated transcripts encoding a NPR1-inhibitor (NPR1-I/NIM1-I) candidate, genes coding for UDP-glucosyltransferases (UGTs) and several genes involved with ethylene pathway, known to be negative regulators of SA signaling. At post-flowering, when PSD symptoms appeared, the down-regulation of PR-1 encoding gene and the induction of BSMT1 and JA metabolism-related genes were observed. Hence, SA signaling likely operates at the pre-flowering stage of PMeV complex-infected C. papaya inhibiting the development of PSD symptoms, but the induction of its negative regulators prevents the full-scale and long-lasting tolerance.
650 $aCarica papaya
650 $aDefense responses
650 $aPapaya meleira virus
650 $aTranscriptome Plant'virus interaction
700 1 $aRODRIGUES, S. P.
700 1 $aANTUNES, T. F. S.
700 1 $aABREU, P. M. V.
700 1 $aVENTURA, J. A.
700 1 $aFERNANDES, A. A. R.
700 1 $aFERNANDES, P. M. B.
773 $tPlant Cell Reports, p. 1-14, 2018.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Biblioteca Rui Tendinha (BRT) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Expressão de busca inválida. Verifique!!! |
|
|
