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Bioactivity of an oxymatrine-based commercial formulation against Brevipalpus yothersi Baker and its effects on predatory mites in citrus groves

dc.contributor.authorAndrade, Daniel Júnior de [UNESP]
dc.contributor.authorRibeiro, Edenilson Batista
dc.contributor.authorde Morais, Matheus Rovere [UNESP]
dc.contributor.authorZanardi, Odimar Zanuzo
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionState University of the Southwest of Bahia (UESB)
dc.contributor.institutionFund for Citrus Protection (FUNDECITRUS)
dc.date.accessioned2019-10-06T16:23:15Z
dc.date.available2019-10-06T16:23:15Z
dc.date.issued2019-07-30
dc.description.abstractThe acaricidal bioactivity of an oxymatrine-based commercial formulation against Brevipalpus yothersi Baker (Acari: Tenuipalpidae), a vector mite of the Citrus leprosis virus (CiLV), and its impact on predatory mites were assessed. For this purpose, laboratory and field assays using bioacaricide concentrations ranging from 0.5 to 2.0 mg L −1 of oxymatrine were performed during the years from 2015 to 2016. Laboratory results showed that the oxymatrine-based commercial formulation does not cause deleterious effects on B. yothersi eggs; however, it causes high larval mortality. For adult females, the bioacaricide caused high acute toxicity and residual effect for at least 5 days after application. In the field, the bioacaricide exhibited high acaricidal activity against B. yothersi, with efficacy levels similar to that of synthetic acaricide spirodiclofen (48 mg L −1 ) until 49 days after the application. The application of the bioacaricide did not negatively affect the population levels of phytoseiid predatory mites. Therefore, our results suggest that the oxymatrine-based commercial formulation is an important tool for management of the citrus leprosis mite in citrus groves.en
dc.description.affiliationDepartment of Plant Protection College of Agricultural and Veterinary Sciences São Paulo State University (UNESP/FCAV), Jaboticabal
dc.description.affiliationDepartment of Plant Science and Animal Science State University of the Southwest of Bahia (UESB)
dc.description.affiliationDepartment of Entomology Fund for Citrus Protection (FUNDECITRUS), Araraquara
dc.description.affiliationUnespDepartment of Plant Protection College of Agricultural and Veterinary Sciences São Paulo State University (UNESP/FCAV), Jaboticabal
dc.format.extent339-345
dc.identifierhttp://dx.doi.org/10.1016/j.ecoenv.2019.03.118
dc.identifier.citationEcotoxicology and Environmental Safety, v. 176, p. 339-345.
dc.identifier.doi10.1016/j.ecoenv.2019.03.118
dc.identifier.issn1090-2414
dc.identifier.issn0147-6513
dc.identifier.scopus2-s2.0-85063647214
dc.identifier.urihttp://hdl.handle.net/11449/188914
dc.language.isoeng
dc.relation.ispartofEcotoxicology and Environmental Safety
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectBioacaricide
dc.subjectCitrus flat mite
dc.subjectCitrus leprosis
dc.subjectIntegrated pest management
dc.titleBioactivity of an oxymatrine-based commercial formulation against Brevipalpus yothersi Baker and its effects on predatory mites in citrus grovesen
dc.typeArtigo
unesp.departmentFitossanidade - FCAVpt

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