Physiological Changes In Seeds And Antioxidant Metabolism Of Lettuce Seedling Exposed To The Action Of Zanledeschia Aethiopica Spreng. Leaf Extract [alteracoes Fisiologicas Em Sementes E Metabolismo Antioxidativo De Plantulas De Alface Expostas A Acao Do Extrato Das Folhas De Zantedeschia Aethiopica Spreng]

dc.creatorAuinonde T.Z.
dc.creatorMartinazzo E.G.
dc.creatorBorella J.
dc.creatorPedo T.
dc.creatorAmarante L.D.
dc.creatorVillela F.A.
dc.creatorMoraes D.M.D.
dc.date2012
dc.date2015-06-26T20:29:45Z
dc.date2015-11-26T14:26:27Z
dc.date2015-06-26T20:29:45Z
dc.date2015-11-26T14:26:27Z
dc.date.accessioned2018-03-28T21:29:31Z
dc.date.available2018-03-28T21:29:31Z
dc.identifier
dc.identifierInterciencia. , v. 37, n. 11, p. 845 - 851, 2012.
dc.identifier3781844
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-84871235208&partnerID=40&md5=073fc7f661318669198f974718017b3a
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/97159
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/97159
dc.identifier2-s2.0-84871235208
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1246088
dc.descriptionThis work aimed to evaluate the influence of different concentrations of Zantedeschia aethiopica Spreng. extract on the physiological performance of the seed and on the response of the antioxidant metabolism of lettuce seedlings. The treatments consisted of leaves extracts from Z. aethiopica at concentrations of 0, 6, 12, 25 and 50%. Germination, first germination count, germination speed and index, length of shoot and radicle, seedling total dry mass, chlorophyll content, activity of superoxide dismutase, catalase and ascorbarte peroxidase enzymes, lipid peroxidation, hydrogen peroxide quantification and seedling emergence, length of organs, and total dry mass of seedlings were evaluated. The percentage of germination, radícuthe length of the shoot and radicle of seedlings and the total dry mass of seedlings grown in the greenhouse were reduced as the concentration of the extract increased. There were increases of electrical conductivity, of superoxide dismutase, catalase and ascorbate peroxidadase enzymes and the amount of hydrogen peroxide and lipid peroxidation in seedlings with increasing extract concentration. The extract reduced the physiological quality of lettuce seeds and induced an increased production of hydrogen peroxide in seedlings, which increased the activity of antioxidant enzymes that were not effective in tissue detoxification, resulting in cellular damage and increased numbers of abnormal seedlings.
dc.description37
dc.description11
dc.description845
dc.description851
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dc.languagept
dc.publisher
dc.relationInterciencia
dc.rightsaberto
dc.sourceScopus
dc.titlePhysiological Changes In Seeds And Antioxidant Metabolism Of Lettuce Seedling Exposed To The Action Of Zanledeschia Aethiopica Spreng. Leaf Extract [alteracoes Fisiologicas Em Sementes E Metabolismo Antioxidativo De Plantulas De Alface Expostas A Acao Do Extrato Das Folhas De Zantedeschia Aethiopica Spreng]
dc.typeArtículos de revistas


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