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Water status and must composition in grapevine cv. Chardonnay with different soils and topography and a mini meta-analysis of the δ13 C/water potentials correlation

dc.rights.licenseopenen_US
dc.contributor.authorBRILLANTE, Luca
dc.contributor.authorMATHIEU, Olivier
dc.contributor.authorLÉVÊQUE, Jean
hal.structure.identifierEcophysiologie et Génomique Fonctionnelle de la Vigne [UMR EGFV]
dc.contributor.authorVAN LEEUWEN, Cornelis
ORCID: 0000-0002-9428-0167
IDREF: 200518208
dc.contributor.authorBOIS, Benjamin
dc.date.accessioned2020-04-06T09:49:58Z
dc.date.available2020-04-06T09:49:58Z
dc.date.issued2018
dc.identifier.issn0022-5142en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/4111
dc.description.abstractEnBACKGROUND The measurement of carbon isotopic discrimination in grape sugars at harvest (δ13C) is an integrated assessment of water status during ripening. It is an efficient alternative to assess variability in the field and discriminate between management zones in precision viticulture, but further work is needed to completely understand the signal.[br/] RESULTS This work, spanning over 3 years, performed in a hillslope toposequence in Burgundy, delineates the relationships between main soil properties (gravel amount, slope, texture) and the grapevine water status assessed by δ13C. The highest δ13C, indicating most severe water deficit, was recorded in gravelly soils on steep slopes. The amount of sugars and malic and tartaric acids was also related to δ13C. The relationship between δ13C and predawn leaf water potentials (Ψpd) was also investigated, because the absolute values of measured δ13C were lower than the values currently found in the literature.[br/] CONCLUSIONS A mini-meta-analysis was performed, which showed that the slope of the relationships between minimum Ψpd and δ13C was stable across studies (a change of 1‰ in δ13C corresponded to a change of −0.2 MPa in the minimum Ψpd), while the intercept of the comparison δ13C/Ψpd changed, probably because of genetic variations between varieties, or environmental differences. © 2017 Society of Chemical Industry
dc.language.isoENen_US
dc.subjectVigne
dc.subjectVitis Vinifera
dc.subjectViticulture
dc.subjectPropriété du sol
dc.subjectDiscrimination isotopique du carbone
dc.subjectBourgogne
dc.subjectDisponibilité hydrique
dc.subject.enVitis Vinifera
dc.subject.enCarbon Isotopic Discrimination
dc.subject.enSlope
dc.subject.enTerroir
dc.subject.enWater Stress
dc.title.enWater status and must composition in grapevine cv. Chardonnay with different soils and topography and a mini meta-analysis of the δ13 C/water potentials correlation
dc.title.alternativeJ. Sci. Food Agric.en_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1002/jsfa.8516
dc.subject.halSciences du Vivant [q-bio]/Biologie végétaleen_US
dc.identifier.pubmed28671281en_US
bordeaux.journalJournal of the Science of Food and Agricultureen_US
bordeaux.page691-697en_US
bordeaux.volume98en_US
bordeaux.hal.laboratoriesEcophysiologie et Génomique Fonctionnelle de la Vigne (EGFV) - UMR 1287en_US
bordeaux.issue2en_US
bordeaux.institutionBordeaux Sciences Agroen_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.identifierhal-03170693
hal.version1
hal.date.transferred2021-03-16T12:43:36Z
hal.exporttrue
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