Please use this identifier to cite or link to this item: http://repositorio.ufla.br/jspui/handle/1/48019
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dc.creatorLima, Francielle Roberta Dias de-
dc.creatorBarbosa, Alice Pita-
dc.creatorVasques, Isabela Cristina Filardi-
dc.creatorOliveira, Jakeline Rosa-
dc.creatorSilva, Aline Oliveira-
dc.creatorMartins, Gabriel Caixeta-
dc.creatorEngelhardt, Mateus Moreira-
dc.creatorPereira, Polyana-
dc.creatorReis, Rayner Hugo Cassa Louzada dos-
dc.creatorGuilherme, Luiz Roberto Guimarães-
dc.creatorMarques, João José-
dc.date.accessioned2021-09-01T17:47:55Z-
dc.date.available2021-09-01T17:47:55Z-
dc.date.issued2020-10-
dc.identifier.citationLIMA, F. R. D. de et al. Physiological effects of mercury-contaminated Oxisols on common bean and oat. Environmental Science and Pollution Research, [S. I.], v. 28, p. 11279–11288, Mar. 2021. DOI: https://doi.org/10.1007/s11356-020-11286-x.pt_BR
dc.identifier.urihttps://doi.org/10.1007/s11356-020-11286-xpt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/48019-
dc.description.abstractThe heavy metal mercury (Hg) is one of the most complex and toxic pollutants. When present in soils, it may impair plant growth, but the intensity of damage depends on the physical-chemical properties of the soil such as pH, clay, and organic matter content, which in turn affects Hg sorption and bioavailability. Understanding Hg potential damage to staple food crops is of paramount relevance. Here, we evaluated the physiological effects of Hg in Phaseolus vulgaris (common bean) and Avena sativa (oat) cultivated in two Oxisols with contrasting properties: Rhodic Acrudox (RA) and Typic Hapludox (TH). We performed four independent experiments (one per species/soil combination) that lasted 30 days each. Treatments were composed by HgCl2 concentrations in soils (0 to 80 mg kg−1 Hg). At the end of the experiment, we determined the impact of Hg on photosynthesis, nutritional status, and oxidative stress. Cultivation in TH contaminated with Hg resulted in oxidative stress in common bean and decreased photosynthesis/P accumulation in oat. No deleterious effects on physiological variables were detected in both species when cultivated in the RA soil. In general, we conclude that the lower Hg sorption in the TH soil resulted in toxicity-like responses, while acclimation-like responses were observed in plants cultivated in RA, reinforcing soil physical-chemical properties as key features driving Hg toxicity in Oxisols.pt_BR
dc.languageenpt_BR
dc.publisherSpringer Naturept_BR
dc.rightsrestrictAccesspt_BR
dc.sourceEnvironmental Science and Pollution Researchpt_BR
dc.subjectCatalasept_BR
dc.subjectGas exchangept_BR
dc.subjectMalonaldehydept_BR
dc.subjectProlinept_BR
dc.subjectSuperoxide dismutasept_BR
dc.subjectTropical soilspt_BR
dc.subjectSolos - Contaminaçãopt_BR
dc.subjectMercúriopt_BR
dc.subjectCatalasept_BR
dc.subjectTroca gasosapt_BR
dc.subjectMalonaldeídopt_BR
dc.subjectSuperóxido dismutasept_BR
dc.subjectSolos tropicaispt_BR
dc.titlePhysiological effects of mercury-contaminated Oxisols on common bean and oatpt_BR
dc.typeArtigopt_BR
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