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Optical measurement of stem xylem vulnerability

hal.structure.identifierSchool of Biology
dc.contributor.authorBRODRIBB, Timothy J.
hal.structure.identifierDepartment of Biology
dc.contributor.authorCARRIQUI, Marc
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorDELZON, Sylvain
hal.structure.identifierSchool of Biology
dc.contributor.authorLUCANI, Christopher
dc.date.accessioned2022-10-12T13:28:45Z
dc.date.available2022-10-12T13:28:45Z
dc.date.issued2017
dc.identifier.issn0032-0889
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/158148
dc.description.abstractEnThe vulnerability of plant water transport tissues to a loss of function by cavitation during water stress is a key indicator of the survival capabilities of plant species during drought. Quantifying this important metric has been greatly advanced by noninvasive techniques that allow embolisms to be viewed directly in the vascular system. Here, we present a new method for evaluating the spatial and temporal propagation of embolizing bubbles in the stem xylem during imposed water stress. We demonstrate how the optical method, used previously in leaves, can be adapted to measure the xylem vulnerability of stems. Validation of the technique is carried out by measuring the xylem vulnerability of 13 conifers and two short-vesseled angiosperms and comparing the results with measurements made using the cavitron centrifuge method. Very close agreement between the two methods confirms the reliability of the new optical technique and opens the way to simple, efficient, and reliable assessment of stem vulnerability using standard flatbed scanners, cameras, or microscopes.
dc.language.isoen
dc.publisherOxford University Press ; American Society of Plant Biologists
dc.subjectstress hydrique
dc.subjectrésistance à la cavitation
dc.subjecttransport xylème
dc.subjectembolie
dc.subjectconifère
dc.subject.enwater stress
dc.subject.enembolism
dc.subject.enconiferous tree
dc.title.enOptical measurement of stem xylem vulnerability
dc.typeArticle de revue
dc.identifier.doi10.1104/pp.17.00552
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalPlant Physiology
bordeaux.page2054-2061
bordeaux.volume174
bordeaux.hal.laboratoriesBioGeCo (Biodiversité Gènes & Communautés) - UMR 1202*
bordeaux.issue4
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-01608373
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01608373v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Plant%20Physiology&rft.date=2017&rft.volume=174&rft.issue=4&rft.spage=2054-2061&rft.epage=2054-2061&rft.eissn=0032-0889&rft.issn=0032-0889&rft.au=BRODRIBB,%20Timothy%20J.&CARRIQUI,%20Marc&DELZON,%20Sylvain&LUCANI,%20Christopher&rft.genre=article


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