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Identification of leaf volatiles from olive (Olea europaea) and their possible role in the ovipositional preferences of olive fly, Bactrocera oleae (Rossi) (Diptera: Tephritidae)

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dc.contributor.authorMalheiro, Ricardo
dc.contributor.authorCasal, Susana
dc.contributor.authorCunha, Sara C.
dc.contributor.authorBaptista, Paula
dc.contributor.authorPereira, J.A.
dc.date.accessioned2018-01-25T10:00:00Z
dc.date.accessioned2018-01-30T16:39:44Z
dc.date.available2018-01-25T10:00:00Z
dc.date.available2018-01-30T16:39:44Z
dc.date.issued2016
dc.description.abstractThe olive fly, Bactrocera oleae (Rossi), is a monophagous pest that displays an oviposition preference among cultivars of olive (Olea europaea L.). To clarify the oviposition preference, the olive leaf volatiles of three olive cultivars (Cobrançosa, Madural and Verdeal Transmontana) were assessed by headspace solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC/MS) at six different periods of olive fruit maturation and degrees of infestation. A total of 39 volatiles were identified, mainly esters and alcohols, with a minor percentage of aldehydes, ketones and terpenic compounds, including sesquiterpenes. At sampling dates with higher degrees of infestation, cv. Cobrançosa had, simultaneously, significantly lower infestation degrees and higher volatile amounts than the other two cultivars, with a probable deterrent effect for oviposition. The green leaf volatiles (GLVs) (Z)-3-hexen-1-ol and (Z)-3-hexen-1-ol acetate) were the main compounds identified in all cultivars, together with toluene. The abundance of GLVs decreas ed significantly throughout maturation, without significant differences among cultivars, while toluene showed a general increase and positive correlation with olive fly infestation levels. The results obtained could broaden our understanding of the roles of various types and amounts of olive volatiles in the environment, especially in olive fly host selection and cultivar preference.pt_PT
dc.description.sponsorshipThe authors are grateful to the Portuguese Foundation of Science and Technology for financial support through the project EXCL/AGR-PRO/0591/2012 “Olive crop protection in sustainable production under global climatic changes: linking ecological infrastructures to ecosystem functions”. R. Malheiro thanks FCT, POPH-QREN and FSE for PhD grant (SFRH/BD/74675/2010). This manuscript is part of Ricardo Malheiro PhD Thesis.
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMalheiro, Ricardo; Casal, Susana; Cunha, Sara C.; Baptista, Paula; Pereira, José Alberto (2016). Identification of leaf volatiles from olive (Olea europaea) and their possible role in the ovipositional preferences of olive fly, Bactrocera oleae (Rossi) (Diptera: Tephritidae). Phytochemistry. ISSN 0031-9422. 121, p. 11-19en_EN
dc.identifier.doi10.1016/j.phytochem.2015.10.005pt_PT
dc.identifier.issn0031-9422
dc.identifier.urihttp://hdl.handle.net/10198/15341
dc.language.isoeng
dc.peerreviewedyespt_PT
dc.subjectBactrocera oleae (Tephritidae)en_EN
dc.subjectOlea europaea L. (Oleaceae)en_EN
dc.subjectOlive cultivaren_EN
dc.subjectOlive flyen_EN
dc.subjectOlive leafen_EN
dc.subjectOviposition preferenceen_EN
dc.subjectVolatilesen_EN
dc.titleIdentification of leaf volatiles from olive (Olea europaea) and their possible role in the ovipositional preferences of olive fly, Bactrocera oleae (Rossi) (Diptera: Tephritidae)en_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F74675%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/COMPETE/EXCL%2FAGR-PRO%2F0591%2F2012/PT
oaire.fundingStreamSFRH
oaire.fundingStreamCOMPETE
person.familyNameMalheiro
person.familyNameBaptista
person.familyNamePereira
person.givenNameRicardo
person.givenNamePaula
person.givenNameJosé Alberto
person.identifier.ciencia-id7D11-FE1E-CD0F
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0002-7342-0511
person.identifier.orcid0000-0001-6331-3731
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id25650218300
person.identifier.scopus-author-id14051688000
person.identifier.scopus-author-id57204366348
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticlept_PT
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