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Growth, chlorophyll fluorescence and mineral nutrition in the halophyte Tamarix gallica cultivated in combined stress conditions: Arsenic and NaCl

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dc.contributor.authorSghaier, Dhouha Belhaj
dc.contributor.authorDuarte, Bernardo
dc.contributor.authorBankaji, Insaf
dc.contributor.authorCaçador, Isabel
dc.contributor.authorSleimi, Noomene
dc.date.accessioned2020-01-19T18:19:54Z
dc.date.available2020-01-19T18:19:54Z
dc.date.issued2015
dc.description.abstractTrace metal elements can cause various environmental and health issues due to their accumulation and integration in the food chain. In the present study, we determined the major toxic effects of arsenic on physiological behaviour of plants. For this propose, several combinations of high salinity and arsenic (As) concentrations were applied to the halophytic shrub, Tamarix gallica, by growing for three months with an irrigation solution supplemented with different concentrations of As (0, 200, 500 and 800M) with and without 200mM NaCl. The effect of the combined stress conditions on growth, physiological patterns and biochemical parameters were also assessed. The results demonstrated that T. gallica is a tolerant plant regarding arsenic. The photosynthesis apparatus Fo, Fm and Fv fluorescence, as well as Fv/Fm were not affected by As nor by As combined with salt. Likewise, pigment and nutrient (K+, Ca2+ and Mg2+) contents were not affected either. However, the study results revealed that As adversely and significantly influenced the growth with increasing the concentration of As. Despite shoots growth reduction, the present research demonstrates that T. gallica is able to cope with high external concentrations of As (under 500μM) alone or in combination with NaCl.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.jphotobiol.2015.06.003pt_PT
dc.identifier.issn1011-1344
dc.identifier.urihttp://hdl.handle.net/10451/41065
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectHalophytept_PT
dc.subjectCombined stresspt_PT
dc.subjectTolerancept_PT
dc.subjectPhotosynthetic pigmentspt_PT
dc.subjectFluorescencept_PT
dc.subjectNutrientspt_PT
dc.titleGrowth, chlorophyll fluorescence and mineral nutrition in the halophyte Tamarix gallica cultivated in combined stress conditions: Arsenic and NaClpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage214pt_PT
oaire.citation.startPage204pt_PT
oaire.citation.titleJournal of Photochemistry and Photobiology B: Biologypt_PT
oaire.citation.volume149pt_PT
person.familyNameDuarte
person.familyNameCaçador
person.givenNameBernardo
person.givenNameIsabel
person.identifier89449
person.identifier.ciencia-id731E-093F-D4C8
person.identifier.ciencia-id631C-9FFE-CA81
person.identifier.orcid0000-0003-1914-7435
person.identifier.orcid0000-0002-4475-6091
person.identifier.ridH-2001-2011
person.identifier.ridC-2618-2012
person.identifier.scopus-author-id20734149900
person.identifier.scopus-author-id6602533871
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationa72f0f40-c224-49ad-ba21-ebb5f9aab09c
relation.isAuthorOfPublication02ecb390-88b9-4e2f-8690-eba66c3b5311
relation.isAuthorOfPublication.latestForDiscoverya72f0f40-c224-49ad-ba21-ebb5f9aab09c

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