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Searching for Xylella fastidiosa solutions: survey natural enemies of Auchenorryncha eggs

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dc.contributor.authorRodrigues, Isabel
dc.contributor.authorVilla, Maria
dc.contributor.authorBaptista, Paula
dc.contributor.authorFereres, Alberto
dc.contributor.authorPereira, J.A.
dc.date.accessioned2020-04-27T09:50:44Z
dc.date.available2020-04-27T09:50:44Z
dc.date.issued2019
dc.description.abstractThe dangerous phytopathogenic bacteria Xylella fastidiosa (Wells et al., 1987) has been recently detected in Portugal (January 2019). This disease is transmitted horizontally from infected to non-infected plants by xylem-feeders that belong to the suborder Auchenorrhyncha. The information available until now about natural enemies is reduced. In this work the potential natural enemies of Auchenorrhyncha eggs, the most susceptible stage, were studied during the autumn/winter of 2018/2019. For that, from November 2018 to February 2019 before the egg hatching, on a biweekly basis, 10 samples of 50 g of rests of the remaining vegetation in the ground cover, mainly Poaceae, were collected in an olive grove. In the laboratory, leaves, particularly the interior part of the blade which is a common oviposition location for spittlebugs, were observed under binocular stereoscope. Viable eggs were introduced in petri dishes until hatching. A total of 647 egg-laying masses and 8,222 eggs with a mean of 12.7 eggs per egg laying was recorded. Egg masses were characterised and the action of predation, parasitism and fungi were recorded. Eggs presenting signs of parasitism plus predation were more than 50%. Intact field eggs were kept in controlled conditions until hatching of nymphs and evolution. The parasitoids were identified as Paracentrobia sp. (Trichogrammatidae) being the first report for the genus in Portugal. These results constitute an important opportunity to control the main insect vectors of X. fastidiosa and containing its spread.pt_PT
dc.description.sponsorshipThis work has received funding from the European Union’s Horizon 2020 research and innovation programme underGrant Agreement N. 727987 ‘Xylella fastidiosa Active Containment Through a multidisciplinary-Oriented Research Strategy XF-ACTORS’.
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRodrigues, I.; Villa, M.; Baptista. P; Fereres, A.; Pereira J.A. (2019). Searching for Xylella fastidiosa solutions: survey natural enemies of Auchenorryncha eggs. In 2nd European conference on Xylella fastidiosa. Ajaccio, Córsegapt_PT
dc.identifier.urihttp://hdl.handle.net/10198/21827
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relationXylella Fastidiosa Active Containment Through a multidisciplinary-Oriented Research Strategy
dc.subjectPortugalpt_PT
dc.subjectPhilaenus spumariuspt_PT
dc.subjectParasitismpt_PT
dc.subjectPredationpt_PT
dc.titleSearching for Xylella fastidiosa solutions: survey natural enemies of Auchenorryncha eggspt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleXylella Fastidiosa Active Containment Through a multidisciplinary-Oriented Research Strategy
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/727987/EU
oaire.citation.conferencePlaceAjacciopt_PT
oaire.citation.endPage106pt_PT
oaire.citation.startPage106pt_PT
oaire.citation.title2nd European conference on Xylella fastidiosapt_PT
oaire.fundingStreamH2020
person.familyNameRodrigues
person.familyNameVilla
person.familyNameBaptista
person.familyNamePereira
person.givenNameIsabel
person.givenNameMaría
person.givenNamePaula
person.givenNameJosé Alberto
person.identifier.ciencia-idB115-33B3-B059
person.identifier.ciencia-idB81D-89AC-6368
person.identifier.ciencia-id7D11-FE1E-CD0F
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0002-4827-2115
person.identifier.orcid0000-0001-8353-5438
person.identifier.orcid0000-0001-6331-3731
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id57158670600
person.identifier.scopus-author-id14051688000
person.identifier.scopus-author-id57204366348
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication90201f77-795e-4756-a469-c94f7ec47929
relation.isAuthorOfPublicationf0354077-bebe-437c-8625-751953199417
relation.isAuthorOfPublication3f35226a-b17a-4f7d-8da1-3297105cbfe9
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscovery90201f77-795e-4756-a469-c94f7ec47929
relation.isProjectOfPublication5aa44626-2ea3-4569-a6f8-cd1fee70533b
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