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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.accessioned2021-02-09T20:23:19Z
dc.date.available2018-03-03
dc.date.issued2017
dc.identifier.issn1526-498X
dc.identifier.urihttp://aspace.agrif.bg.ac.rs/handle/123456789/5773
dc.description.abstractBACKGROUND: Rape 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 four 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. RESULTS: Compared 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 to alpha-cypermethrin and pirimiphos-methyl. The lowest efficacy was observed in treatments with tau-fluvalinate and thiacloprid. CONCLUSION: This 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.sr
dc.language.isoensr
dc.publisherWileysr
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/31025/RS//sr
dc.rightsembargoedAccesssr
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourcePest Management Sciencesr
dc.subjectCeutorhynchus napisr
dc.subjectCeutorhynchus pallidactylussr
dc.subjectchemical controlsr
dc.subjectinsecticide efficacysr
dc.subjectproportional odds modelsr
dc.titleAnalysis of oilseed rape stem weevils chemical control using damage rating scalesr
dc.typearticlesr
dc.rights.licenseBY-NC-NDsr
dc.citation.epage1971
dc.citation.issue9
dc.citation.rankaM21
dc.citation.spage1962
dc.citation.volume73
dc.identifier.doi10.1002/ps.4568
dc.identifier.fulltexthttp://aspace.agrif.bg.ac.rs/bitstream/id/22774/ANALYSIS_OF_OILSEED.pdf
dc.identifier.scopus2-s2.0-85026645722
dc.identifier.wos000406689900022
dc.type.versionacceptedVersionsr


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