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Nitrogen nutrition impacts grapevine esca leaf symptom incidence, physiology, and metabolism

hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorDELL’ACQUA, Ninon
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorGAMBETTA, Gregory
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorCOMONT, Gwenaëlle
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorFERRER, Nathalie
hal.structure.identifierBiologie du fruit et pathologie [BFP]
hal.structure.identifierMetaboHUB-Bordeaux
dc.contributor.authorROCHEPEAU, Adam
hal.structure.identifierBiologie du fruit et pathologie [BFP]
hal.structure.identifierMetaboHUB-Bordeaux
dc.contributor.authorPÉTRIACQ, Pierre
hal.structure.identifierSanté et agroécologie du vignoble [UMR SAVE]
dc.contributor.authorDELMAS, Chloé
dc.date.accessioned2025-06-12T02:04:39Z
dc.date.available2025-06-12T02:04:39Z
dc.date.issued2025-05-03
dc.identifier.issn0022-0957
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/206879
dc.description.abstractEnNitrogen plays a crucial role in plant growth and defence mechanisms, yet its role in plant–pathogen interactions is complex and remains largely unexplored, especially in perennial crops. This study aimed to investigate the effects of controlled nitrogen nutrition levels on disease incidence, fungal communities, and plant physiology and metabolism. Esca is a widespread grapevine vascular disease affecting physiology, xylem integrity, and metabolism. Naturally infected Vitis vinifera L. cv. Sauvignon blanc were subjected to three ammonium nitrate treatments across three seasons, resulting in reduced esca incidence under nitrogen deficiency compared with medium nutrition levels, while excess nitrogen had no significant impact. Nitrogen treatments significantly impacted vine physiology and leaf metabolites, but did not affect fungal wood communities. Nitrogen deficiency significantly reduced stem diameter, photosynthesis, and leaf area, probably decreasing whole-plant transpiration, while excess nitrogen increased these factors, suggesting a key role for plant transpiration in esca incidence. Additionally, nitrogen deficiency led to significantly higher production of phenylpropanoids, particularly flavonoids, in leaf metabolomes compared with the medium level. These findings highlight the pivotal role of nitrogen in the development of esca through alterations in vine morphology, physiology, and metabolism. Fertilization practices may be crucial in the management of plant diseases.
dc.description.sponsorshipDéveloppement d'une infrastructure française distribuée pour la métabolomique dédiée à l'innovation - ANR-11-INBS-0010
dc.description.sponsorshipMetaboHUB National Infrastructure of metabolomics and fluxomics - ANR-24-INBS-0012
dc.description.sponsorshipPlateforme d'Innovation " Forêt-Bois-Fibre-Biomasse du Futur " - ANR-10-EQPX-0016
dc.language.isoen
dc.publisherOxford University Press (OUP)
dc.subject.enEsca
dc.subject.engrapevine
dc.subject.enmetabarcoding
dc.subject.ennitrogen nutrition
dc.subject.enplant physiology
dc.subject.enuntargeted metabolomics
dc.title.enNitrogen nutrition impacts grapevine esca leaf symptom incidence, physiology, and metabolism
dc.typeArticle de revue
dc.identifier.doi10.1093/jxb/eraf172
dc.subject.halSciences de l'environnement
bordeaux.journalJournal of Experimental Botany
bordeaux.hal.laboratoriesBiologie du Fruit & Pathologie (BFP) - UMR 1332*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-05107238
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-05107238v1
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