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Changes in volatile compounds of Dittrichia viscosa caused by the attack of the gall-forming dipteran Myopites stylatus

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dc.contributor.authorSantos, Sónia A.P.
dc.contributor.authorMota, Luís
dc.contributor.authorMalheiro, Ricardo
dc.contributor.authorSilva, Franceli
dc.contributor.authorCampos, Mercedes
dc.contributor.authorPinho, P. Guedes de
dc.contributor.authorPereira, J.A.
dc.date.accessioned2016-11-30T10:26:05Z
dc.date.available2016-11-30T10:26:05Z
dc.date.issued2016
dc.description.abstractThe false yellowhead Dittrichia viscosa (L.) Aiton (Asteraceae) is a spontaneous plant occurring in south-ern Europe. A tritrophic relationship is observed in the aerial parts of this plant since flowers are attackedby the gall-forming dipteran Myopites stylatus (Fabricius) which, in turn, is parasitized by hymenopteranspecies. This relationship may be mediated by volatile organic compounds (VOCs) released by the aerialparts of the plant. Thus, VOCs exhaled by leaves, flowers and flower galls of D. viscosa were characterizedby headspace solid-phase microextraction (HS-SPME) and gas chromatography-ion trap-mass spectrom-etry (GC-IT-MS). A total of 46 compounds were identified, including alcohols, aldehydes, esters, ketones,phenol derivatives, terpenes and sesquiterpenes. Volatile fractions registered from the different aerialparts of D. viscosa were quantitative and qualitatively different. Leaves were composed by 31 volatile com-pounds, flowers by 34 and galls by 29. Sesquiterpenes represented about 76.8% of the volatiles exhaledfrom leaves; flowers were composed mainly by sesquiterpenes (49.1%) and terpenes (34.6%) such as -pinene, limonene and -pinene and flower galls exhaled phenol derivatives (68.7%) such as anethol andestragole, and terpenes (25.1%) such as eucalyptol and limonene. Several sesquiterpene like compoundswere exclusive from leaves, while esters (e.g. methyl-2-propylhexanoate) were exclusive from flowersand the terpene eucalyptol from flower galls. The potential effect of volatiles exhaled by the differentaerial parts of D. viscosa on the behaviour of insects implicated in the relationship with D. viscosa isdiscussed.pt_PT
dc.description.sponsorshipThe authors are grateful to the Portuguese Foundation of Sci-ence and Technology for financial support through the projectEXCL/AGR-PRO/0591/2012 “Olive crop protection in sustainableproduction under global climatic changes: linking ecological infras-tructures to ecosystem functions”.pt_PT
dc.identifier.citationSantos, Sónia A.P.; Mota, Luís; Malheiro, Ricardo; Silva, Franceli; Campos, Mercedes; Pinho, P. Guedes de; Pereira, J.A. (2016). Changes in volatile compounds of Dittrichia viscosa caused by the attack of the gall-forming dipteran Myopites stylatus. Industrial Crops and Products. ISSN 0926-6690. 87, p. 71-77pt_PT
dc.identifier.doi10.1016/j.indcrop.2016.04.002pt_PT
dc.identifier.issn0926-6690
dc.identifier.urihttp://hdl.handle.net/10198/13548
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectDittrichia viscosapt_PT
dc.subjectVolatile compoundspt_PT
dc.subjectAerial partspt_PT
dc.subjectGallspt_PT
dc.subjectTritrophic interactionpt_PT
dc.subjectParasitismpt_PT
dc.titleChanges in volatile compounds of Dittrichia viscosa caused by the attack of the gall-forming dipteran Myopites stylatuspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/EXCL%2FAGR-PRO%2F0591%2F2012/PT
oaire.citation.endPage77pt_PT
oaire.citation.startPage71pt_PT
oaire.citation.titleIndustrial Crops and Productspt_PT
oaire.citation.volume87pt_PT
oaire.fundingStream5876-PPCDTI
person.familyNameSantos
person.familyNameMalheiro
person.familyNamePereira
person.givenNameSónia
person.givenNameRicardo
person.givenNameJosé Alberto
person.identifier.ciencia-id5C1D-7CF5-601C
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0003-1500-6360
person.identifier.orcid0000-0002-7342-0511
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id7102756340
person.identifier.scopus-author-id25650218300
person.identifier.scopus-author-id57204366348
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication0fa7974d-abd3-444b-9a7e-16d16530a0f7
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscovery7932162e-a2da-4913-b00d-17babbe51857
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