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Broad-Spectrum Efficacy and Modes of Action of Two Bacillus Strains against Grapevine Black Rot and Downy Mildew

dc.rights.licenseopenen_US
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorRAVEAU, Robin
dc.contributor.authorILBERT, Chloé
dc.contributor.authorHELOIR, Marie-Claire
dc.contributor.authorPALAVIOUX, Karine
hal.structure.identifierUnité de Recherche Œnologie [Villenave d'Ornon] [OENO]
dc.contributor.authorPEBARTHE-COURROUILH, Anthony
dc.contributor.authorMARZARI, Tania
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorDURAND, Solène
hal.structure.identifierUnité de Recherche Œnologie [Villenave d'Ornon] [OENO]
dc.contributor.authorVALLS-FONAYET, Josep
hal.structure.identifierUnité de Recherche Œnologie [Villenave d'Ornon] [OENO]
dc.contributor.authorCLUZET, Stephanie
dc.contributor.authorADRIAN, Marielle
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorFERMAUD, Marc
dc.date.accessioned2024-10-08T12:23:56Z
dc.date.available2024-10-08T12:23:56Z
dc.date.issued2024-07-09
dc.identifier.issn2309-608Xen_US
dc.identifier.urioai:crossref.org:10.3390/jof10070471
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/202328
dc.description.abstractEnBlack rot (Guignardia bidwellii) and downy mildew (Plasmopara viticola) are two major grapevine diseases against which the development of efficient biocontrol solutions is required in a context of sustainable viticulture. This study aimed at evaluating and comparing the efficacy and modes of action of bacterial culture supernatants from Bacillus velezensis Buz14 and B. ginsengihumi S38. Both biocontrol agents (BCA) were previously demonstrated as highly effective against Botrytis cinerea in grapevines. In semi-controlled conditions, both supernatants provided significant protection against black rot and downy mildew. They exhibited antibiosis against the pathogens by significantly decreasing G. bidwellii mycelial growth, but also the release and motility of P. viticola zoospores. They also significantly induced grapevine defences, as stilbene production. The LB medium, used for the bacterial cultures, also showed partial effects against both pathogens and induced plant defences. This is discussed in terms of choice of experimental controls when studying the biological activity of BCA supernatants. Thus, we identified two bacterial culture supernatants as new potential biocontrol products exhibiting multi-spectrum antagonist activity against different grapevine key pathogens and having a dual mode of action.
dc.description.sponsorshipCultivating the grapevine without pesticides : towards agroecological wine-producing socio-ecosystems - ANR-20-PCPA-0010en_US
dc.language.isoENen_US
dc.rightsAttribution 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/us/*
dc.sourcecrossref
dc.subject.enBacillus velezensis
dc.subject.enBacillus ginsengihumi
dc.subject.enBiocontrol
dc.subject.enBiological control
dc.subject.enVitis vinifera
dc.subject.enGuignardia bidwellii
dc.subject.enPlasmopara viticola
dc.subject.enAntibiosis
dc.subject.enPlant defence
dc.title.enBroad-Spectrum Efficacy and Modes of Action of Two Bacillus Strains against Grapevine Black Rot and Downy Mildew
dc.typeArticle de revueen_US
dc.identifier.doi10.3390/jof10070471en_US
dc.subject.halSciences du Vivant [q-bio]/Biologie végétaleen_US
bordeaux.journalJournal of Fungien_US
bordeaux.page471en_US
bordeaux.volume10en_US
bordeaux.hal.laboratoriesOenologie - UMR 1366en_US
bordeaux.issue7en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionBordeaux INPen_US
bordeaux.institutionINRAEen_US
bordeaux.institutionBordeaux Sciences Agro
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exportfalse
workflow.import.sourcedissemin
dc.rights.ccCC BYen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Fungi&rft.date=2024-07-09&rft.volume=10&rft.issue=7&rft.spage=471&rft.epage=471&rft.eissn=2309-608X&rft.issn=2309-608X&rft.au=RAVEAU,%20Robin&ILBERT,%20Chlo%C3%A9&HELOIR,%20Marie-Claire&PALAVIOUX,%20Karine&PEBARTHE-COURROUILH,%20Anthony&rft.genre=article


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