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Limited genetic variability and phenotypic plasticity detected for cavitation resistance in a Mediterranean pine

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
hal.structure.identifierLaboratoire de Physique et Physiologie Intégratives de l'Arbre Fruitier et Forestier [PIAF]
dc.contributor.authorLAMY, Jean-Baptiste
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorDELZON, Sylvain
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorBOUCHE P.M., Pauline
hal.structure.identifierEcologie des Forêts Méditerranéennes [URFM]
dc.contributor.authorALIA, Ricardo
dc.contributor.authorVENDRAMIN, Giovanni Giuseppe
hal.structure.identifierLaboratoire de Physique et Physiologie Intégratives de l'Arbre Fruitier et Forestier [PIAF]
dc.contributor.authorCOCHARD, Hervé
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorPLOMION, Christophe
dc.date.issued2014
dc.identifier.issn0028-646X
dc.description.abstractEn- Resistance to cavitation is a major determinant of plant survival under severe drought and can be used to quantify species adaptive potential. Interspecific variation in this key trait is well defined in woody species, but intraspecific variation (level and structure) resulting from standing genetic variation and phenotypic plasticity has never been determined.[br/] - Combining for the first time in situ characterization of natural populations and two reciprocal common gardens in dry and wet sites, we estimated variance components (phenotypic, genetic, environmental, and genetic × environmental) of cavitation resistance based on 513 genotypes of a Mediterranean pine, Pinus pinaster.[br/] - Despite the selected populations being climatically contrasted, phenotypic plasticity in resistance to cavitation remained low and was essentially attributed to family level. Between-population variation in cavitation resistance for both phenotypic and genetic variation was limited.[br/] - These results strongly suggest that cavitation resistance is buffered against genetic and to a lesser extent environmental variation (canalization) in maritime pine. Consequently, in a drier world, the increasing drought tolerance of Pinus species might be severely constrained by the low level of cavitation resistance variation, resulting in a large-scale loss of productivity.
dc.language.isoen
dc.publisherWiley
dc.subject.endrought tolerance
dc.subject.engenetic variation
dc.subject.enphenotypic plasticity
dc.subject.enPinus pinaster
dc.subject.enprovenance-progeny trial
dc.subject.enQST/FST comparison
dc.subject.enresistance to cavitation
dc.title.enLimited genetic variability and phenotypic plasticity detected for cavitation resistance in a Mediterranean pine
dc.typeArticle de revue
dc.identifier.doi10.1111/nph.12556
dc.subject.halSciences du Vivant [q-bio]/Sciences agricoles
bordeaux.journalNew Phytologist
bordeaux.page874-886
bordeaux.volume201
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-00964858
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00964858v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=New%20Phytologist&rft.date=2014&rft.volume=201&rft.issue=3&rft.spage=874-886&rft.epage=874-886&rft.eissn=0028-646X&rft.issn=0028-646X&rft.au=LAMY,%20Jean-Baptiste&DELZON,%20Sylvain&BOUCHE%20P.M.,%20Pauline&ALIA,%20Ricardo&VENDRAMIN,%20Giovanni%20Giuseppe&rft.genre=article


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