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Comparison of Phenylacetates with Benzoates and Phenylpropanoates as Antifeedants for the Pine Weevil, Hylobius abietis
Linnaeus University, Faculty of Health and Life Sciences, Department of Chemistry and Biomedical Sciences.ORCID iD: 0000-0001-7158-6393
Linnaeus University, Faculty of Health and Life Sciences, Department of Chemistry and Biomedical Sciences. Univ Western Australia, Australia.
Swedish University of Agricultural Sciences.
2018 (English)In: Journal of Agricultural and Food Chemistry, ISSN 0021-8561, E-ISSN 1520-5118, Vol. 66, no 44, p. 11797-11805Article in journal (Refereed) Published
Abstract [en]

This study concludes an extensive investigation of antifeedants for the pine weevil, Hylobius abietis (Coleoptera: Curculionidae), an economically important pest of planted conifer seedlings. Building on the previously reported antifeedant effects of benzoates and phenylpropanoids (aromatic compounds with one- or three-carbon-atom substituents on the benzene ring), we here report the antifeedant effects of compounds with two-carbon-atom side chains (i.e., phenylacetates). We also present new results; the best antifeedants from the benzoate class were tested at 10-fold lower concentrations in order to find the optimal antifeedants. Generally, for all three compound classes, efficient antifeedants were found to have one or two methyl, chloro, or methoxy substituents on the aromatic ring. For monosubstituted phenylpropanoids, the substituent preferably should be in the para-position. In the search for synergistic antifeedant effects among the three compound classes, combinations of compounds from the three classes were tested in binary and ternary mixtures.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2018. Vol. 66, no 44, p. 11797-11805
Keywords [en]
pine weevil, Hylobius abietis, synergism, conifer-seedling protection, feeding deterrent, structure activity relationships
National Category
Ecology Chemical Sciences
Research subject
Natural Science, Ecological chemistry
Identifiers
URN: urn:nbn:se:lnu:diva-79004DOI: 10.1021/acs.jafc.8b03830ISI: 000449888000029PubMedID: 30350979Scopus ID: 2-s2.0-85056229450OAI: oai:DiVA.org:lnu-79004DiVA, id: diva2:1268578
Available from: 2018-12-06 Created: 2018-12-06 Last updated: 2019-08-29Bibliographically approved

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Unelius, C. RikardBohman, Björn

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