Copper oxychloride fungicide and its effect on growth and oxidative stress of potato plants

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dc.contributor.authorFerreira, Leonardo Cesar [UNESP]
dc.contributor.authorScavroni, Joseane [UNESP]
dc.contributor.authorVaz da Silva, Joao Renato [UNESP]
dc.contributor.authorCataneo, Ana Catarina [UNESP]
dc.contributor.authorMartins, Dagoberto [UNESP]
dc.contributor.authorFernandes Boaro, Carmen Silvia [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-12-03T13:10:52Z
dc.date.available2014-12-03T13:10:52Z
dc.date.issued2014-06-01
dc.description.abstractExcess copper in plants causes physiological alterations that lead to crop productivity losses. However, cupric fungicides have been utilized in the control of Alternaria solani and Phytophtora infestans fungi, which cause early blight and late blight in potato, respectively. Thus, this study aimed to investigate the effect of different copper oxychloride levels on potato plants through some biochemical and physiological parameters. The fungicide was applied at the recommended level (2.50 g L-1), at a reduced level (1.25 g L-1), and at 5.00 g L-1, to simulate spraying in the field twice during the same period with the recommended level. The results revealed that superoxide dismutase (SOD, EC 1.15.1.1) protected plants against oxidative stress at the beginning of the cycle since lipoperoxide levels were low in that period. In addition, increased SOD activity positively correlated with increased usable leaf area for photosynthesis (leaf area ratio, LAR). photosynthetic effectiveness (net assimilation rate, NAR), and growth relative to pre-existing dry matter (relative growth rate, RGR). Concomitantly, there was a negative correlation between lipoperoxide levels and LAR and RGR. Plants randomly sprayed twice in the same period with the level recommended for potato crop protection in the field do not present damage regarding their development. However, additional studies are needed in order to reduce the use of copper fungicides in the control of early and late blight in potato crop production, then decreasing the release of copper in the environment. (C) 2014 Elsevier Inc. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista, Inst Biociencias, Dept Bot, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Biociencias, Dept Quim & Bioquim, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Ciencias Agron, Dept Prod Vegetal, Setor Agr & Melhoramento Vegetal, BR-18603970 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Biociencias, Dept Bot, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Biociencias, Dept Quim & Bioquim, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Ciencias Agron, Dept Prod Vegetal, Setor Agr & Melhoramento Vegetal, BR-18603970 Botucatu, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent63-69
dc.identifierhttp://dx.doi.org/10.1016/j.pestbp.2014.04.010
dc.identifier.citationPesticide Biochemistry And Physiology. San Diego: Academic Press Inc Elsevier Science, v. 112, p. 63-69, 2014.
dc.identifier.doi10.1016/j.pestbp.2014.04.010
dc.identifier.issn0048-3575
dc.identifier.lattes8459042567486109
dc.identifier.lattes0656489173735132
dc.identifier.urihttp://hdl.handle.net/11449/112599
dc.identifier.wosWOS:000338823500010
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPesticide Biochemistry and Physiology
dc.relation.ispartofjcr3.440
dc.relation.ispartofsjr1,043
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectSolanum tuberosum ssp tuberosum Len
dc.subjectAntioxidant enzymesen
dc.subjectLipoperoxidesen
dc.subjectCopper toxicityen
dc.subjectProductivityen
dc.titleCopper oxychloride fungicide and its effect on growth and oxidative stress of potato plantsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes8459042567486109
unesp.author.lattes0656489173735132[6]
unesp.author.orcid0000-0002-5524-0621[6]
unesp.author.orcid0000-0003-2330-9337[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Botucatupt
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt
unesp.departmentProdução e Melhoramento Vegetal - FCApt

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Botucatu - FCA - Faculdade de Ciências Agronômicas