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dc.creatorRamos, Sílvio Junio-
dc.creatorFaquin, Valdemar-
dc.creatorGuilherme, Luiz Roberto Guimarães-
dc.creatorCastro, Evaristo Mauro de-
dc.creatorÁvila, Fabricio William de-
dc.creatorCarvalho, Geila Santos-
dc.creatorBastos, Carla Elisa Alves-
dc.creatorOliveira, Cynthia de-
dc.identifier.citationRAMOS, S. J. et al. Selenium biofortification and antioxidant activity in lettuce plants fed with selenate and selenite. Plant, Soil and Environment, [S.l.], v. 56, n. 12, p. 584–588, 2010.pt_BR
dc.description.abstractSelenium is an important element associated with enhancement of antioxidant activity in plants, microorganisms, animals, and humans. In Brazil, the information on Se in agricultural crops is lacking, though there are indications that low levels of Se are consumed by the population. The experiment was conducted under greenhouse conditions with pots containing 3 l of nutritive solution in a completely randomized factorial design, with seven Se concentrations (0, 2, 4, 8, 16, 32, and 64 µmol/l) and two forms of Se (sodium selenate – Na2SeO4 and sodium selenite – Na2SeO3), with six replicates. The application of Se as selenate at low concentrations is more appropriate for lettuce biofortification because it favors shoot biomass growth and Se levels in the shoot biomass. Selenium in both forms had two effects on lettuce plant metabolism: at low doses it acted as an antioxidant and enhanced plant growth, whereas at higher levels it reduced yield.pt_BR
dc.publisherCzech Academy of Agricultural Sciencespt_BR
dc.sourcePlant, Soil and Environmentpt_BR
dc.subjectAntioxidant enzymespt_BR
dc.titleSelenium biofortification and antioxidant activity in lettuce plants fed with selenate and selenitept_BR
Appears in Collections:DBI - Artigos publicados em periódicos
DCS - Artigos publicados em periódicos

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