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Contrasting susceptibilities to flavescence dorée in Vitis vinifera, rootstocks and wild Vitis species

dc.rights.licenseopenen_US
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorEVEILLARD, Sandrine
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorJOLLARD, Camille
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorLABROUSSAA, Fabien
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorKHALIL, Dima
dc.contributor.authorPERRIN, Mireille
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorDESQUE, Delphine
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorSALAR, Pascal
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorRAZAN, Frédérique
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorHEVIN, Cyril
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorBORDENAVE, Louis
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorFOISSAC, Xavier
dc.contributor.authorMASSON, Jean
hal.structure.identifierBiologie du fruit et pathologie [BFP]
dc.contributor.authorMALEMBIC-MAHER, Sylvie
dc.date.accessioned2020-03-25T14:54:44Z
dc.date.available2020-03-25T14:54:44Z
dc.date.issued2016
dc.identifier.issn1664-462Xen_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/3936
dc.description.abstractEnFlavescence dorée (FD) is a quarantine disease of grapevine, involving interactions between the plants, leafhopper vectors, and FD phytoplasma. Characterizing the susceptibility of vine varieties could limit disease propagation. After extensive surveys in vineyards, we showed that Cabernet Sauvignon (CS) is highly susceptible, with a high proportion of symptomatic branches and phytoplasma titers, in contrast to Merlot (M). Localized insect transmissions and grafting showed that phytoplasma circulate in the whole plant in the CS cultivar, but in M they are restricted to the transmission point. Insect-mediated transmission under high confinement mimicking natural conditions confirmed these phenotypes and allowed the classification of 28 Vitis accessions into three distinct categories, according to the percentage of infected plants and their phytoplasma titers. Reduced symptoms, low phytoplasma titers, and low percentages of infected plants were found to be associated in the Vitis vinifera cultivars tested. Interestingly, the low susceptibility of M was observed for one of its parents, i.e., Magdeleine Noire des Charentes. Rootstocks and their Vitis parents, although having high percentages of infected plants and intermediate to high phytoplasma titers, shared a symptomless response. This is troubling, because rootstocks can constitute a silent reservoir of contamination in mother plants or when they grow wild nearby vineyards. Altogether, data suggest distribution of genetic traits within the Vitis genus involved in insect-mediated phytoplasma transmission, multiplication, circulation, and symptom development.
dc.language.isoENen_US
dc.subjectPathologie végétale
dc.subjectFlavescence dorée de la vigne
dc.subjectSanté des plantes
dc.subjectVigne
dc.subjectVitis
dc.subjectVitis Vinifera
dc.subjectBactérie phytopathogène
dc.subject.enGenetic Traits
dc.subject.enGrapevine
dc.subject.enPhytoplasma
dc.subject.enScaphoideus Titanus
dc.subject.enSymptoms
dc.subject.enTransmission
dc.title.enContrasting susceptibilities to flavescence dorée in Vitis vinifera, rootstocks and wild Vitis species
dc.typeArticle de revueen_US
dc.identifier.doi10.3389/fpls.2016.01762en_US
dc.subject.halSciences du Vivant [q-bio]/Biologie végétaleen_US
bordeaux.journalFrontiers in Plant Scienceen_US
bordeaux.page12 p.en_US
bordeaux.volume7en_US
bordeaux.hal.laboratoriesEcophysiologie et Génomique Fonctionnelle de la Vigne (EGFV) - UMR 1287en_US
bordeaux.institutionBordeaux Sciences Agroen_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.identifierhal-02518942
hal.version1
hal.date.transferred2020-03-25T14:54:52Z
hal.exporttrue
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