Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity.
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
Texto Completo: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113897 |
Resumo: | Excess copper (Cu) in the soil causes physiological and morphological changes in plants. The objective of this research was to evaluate root morphology and photosynthetic responses in Peltophorum dubium plants exposed to excess Cu. Growth, leaf gas exchange, root morphology and bioaccumulated Cu in the different plant tissues were evaluated. Excess Cu reduced plant height and diameter, and altered root system morphology in P. dubium. Length, surface area, mean diameter and root volume also decreased with excess Cu treatment. The effect of excess Cu on roots was observed by the inhibited development of very fine roots. In general, accumulation of Cu occurred mainly in the root system, and this heavy metal in excess inhibited the growth of P. dubium. As a consequence of Cu toxicity, there was a reduction in root and shoot dry weight, as well as significant affects on photosynthesis (A and Amax) and transpiration (E) that were dependent on Cu concentration. |
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Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity.FitorremediaçãoWinRhizoFotossínteseMetal PesadoRaizVolumeExcess copper (Cu) in the soil causes physiological and morphological changes in plants. The objective of this research was to evaluate root morphology and photosynthetic responses in Peltophorum dubium plants exposed to excess Cu. Growth, leaf gas exchange, root morphology and bioaccumulated Cu in the different plant tissues were evaluated. Excess Cu reduced plant height and diameter, and altered root system morphology in P. dubium. Length, surface area, mean diameter and root volume also decreased with excess Cu treatment. The effect of excess Cu on roots was observed by the inhibited development of very fine roots. In general, accumulation of Cu occurred mainly in the root system, and this heavy metal in excess inhibited the growth of P. dubium. As a consequence of Cu toxicity, there was a reduction in root and shoot dry weight, as well as significant affects on photosynthesis (A and Amax) and transpiration (E) that were dependent on Cu concentration.Universidade Federal de Lavras; UNIFENAS; UNIFENAS; PAULO CESAR MAGALHAES, CNPMS; UNIFAL.MARQUES, D. M.SILVA, A. B. daMANTOVANI, J. R.MAGALHAES, P. C.SOUZA, T. C. de2019-11-05T18:06:36Z2019-11-05T18:06:36Z2019-11-0520192020-01-24T11:11:11Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleSouth African Journal of Botany, v. 121, p. 186-192, 2019.http://www.alice.cnptia.embrapa.br/alice/handle/doc/111389710.1016/j.sajb.2018.11.007enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2019-11-05T18:06:43Zoai:www.alice.cnptia.embrapa.br:doc/1113897Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542019-11-05T18:06:43falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542019-11-05T18:06:43Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. |
title |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. |
spellingShingle |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. MARQUES, D. M. Fitorremediação WinRhizo Fotossíntese Metal Pesado Raiz Volume |
title_short |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. |
title_full |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. |
title_fullStr |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. |
title_full_unstemmed |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. |
title_sort |
Root morphology and leaf gas exchange in Peltophorum dubium(Spreng.)Taub. (Caesalpinioideae) exposed to copper-induced toxicity. |
author |
MARQUES, D. M. |
author_facet |
MARQUES, D. M. SILVA, A. B. da MANTOVANI, J. R. MAGALHAES, P. C. SOUZA, T. C. de |
author_role |
author |
author2 |
SILVA, A. B. da MANTOVANI, J. R. MAGALHAES, P. C. SOUZA, T. C. de |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal de Lavras; UNIFENAS; UNIFENAS; PAULO CESAR MAGALHAES, CNPMS; UNIFAL. |
dc.contributor.author.fl_str_mv |
MARQUES, D. M. SILVA, A. B. da MANTOVANI, J. R. MAGALHAES, P. C. SOUZA, T. C. de |
dc.subject.por.fl_str_mv |
Fitorremediação WinRhizo Fotossíntese Metal Pesado Raiz Volume |
topic |
Fitorremediação WinRhizo Fotossíntese Metal Pesado Raiz Volume |
description |
Excess copper (Cu) in the soil causes physiological and morphological changes in plants. The objective of this research was to evaluate root morphology and photosynthetic responses in Peltophorum dubium plants exposed to excess Cu. Growth, leaf gas exchange, root morphology and bioaccumulated Cu in the different plant tissues were evaluated. Excess Cu reduced plant height and diameter, and altered root system morphology in P. dubium. Length, surface area, mean diameter and root volume also decreased with excess Cu treatment. The effect of excess Cu on roots was observed by the inhibited development of very fine roots. In general, accumulation of Cu occurred mainly in the root system, and this heavy metal in excess inhibited the growth of P. dubium. As a consequence of Cu toxicity, there was a reduction in root and shoot dry weight, as well as significant affects on photosynthesis (A and Amax) and transpiration (E) that were dependent on Cu concentration. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-11-05T18:06:36Z 2019-11-05T18:06:36Z 2019-11-05 2019 2020-01-24T11:11:11Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
South African Journal of Botany, v. 121, p. 186-192, 2019. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113897 10.1016/j.sajb.2018.11.007 |
identifier_str_mv |
South African Journal of Botany, v. 121, p. 186-192, 2019. 10.1016/j.sajb.2018.11.007 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113897 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
collection |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository.name.fl_str_mv |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
cg-riaa@embrapa.br |
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1794503483318075392 |