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dc.creatorMilovac, Željko
dc.creatorZorić, Miroslav
dc.creatorFraneta, Filip
dc.creatorTerzić, Sreten
dc.creatorPetrović-Obradović, Olivera
dc.creatorMarjanović-Jeromela, Ana
dc.date.accessioned2021-04-26T19:33:39Z
dc.date.available2021-04-26T19:33:39Z
dc.date.issued2017
dc.identifier.issn1526-498X
dc.identifier.urihttp://fiver.ifvcns.rs/handle/123456789/1685
dc.description.abstractBACKGROUNDRape stem weevil (Ceutorhynchus napi Gyll.) and cabbage stem weevil (C. pallidactylus Marsh.) can cause significant yield losses to oilseed rape (Brassica napus L.), and chemical control is often needed to protect crops from these pests. The efficacy of six insecticides, chlorpyriphos + cypermethrin, bifenthrin, alpha-cypermethrin, pirimiphos-methyl, thiacloprid and tau-fluvalinate, was tested in a 4 year field trial. Besides the standard efficacy analysis expressed through the number of larvae per stem, a damage rating scale was introduced and modelled using a regression model for ordinal categorical data. RESULTSCompared with the control, expressed through damage rating and larval number, treatments with chlorpyriphos + cypermethrin and bifenthrin, showed higher efficacy in the control of stem weevils compared with alpha-cypermethrin and pirimiphos-methyl. The lowest efficacy was observed in treatments with tau-fluvalinate and thiacloprid. CONCLUSIONThis study showed that a combined efficacy evaluation expressed through both damage rating scale and the count of larvae, supported by an ordinal regression model for data analysis, is indispensable for obtaining accurate results.en
dc.publisherWiley, Hoboken
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31025/RS//
dc.rightsrestrictedAccess
dc.sourcePest Management Science
dc.subjectCeutorhynchus napien
dc.subjectCeutorhynchus pallidactylusen
dc.subjectchemical controlen
dc.subjectinsecticide efficacyen
dc.subjectproportional odds modelen
dc.titleAnalysis of oilseed rape stem weevil chemical control using a damage rating scaleen
dc.typearticle
dc.rights.licenseARR
dc.citation.epage1971
dc.citation.issue9
dc.citation.other73(9): 1962-1971
dc.citation.rankaM21
dc.citation.spage1962
dc.citation.volume73
dc.identifier.doi10.1002/ps.4568
dc.identifier.pmid28276138
dc.identifier.scopus2-s2.0-85026645722
dc.identifier.wos000406689900022
dc.type.versionpublishedVersion


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