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Intraspecific variability of carbon isotope discrimination and its correlation with grain yield in safflower: prospects for selection in a Mediterranean climate

hal.structure.identifierLaboratoire de Biologie et Physiologie des Organismes (LBPO)
dc.contributor.authorMIHOUB, Imane
hal.structure.identifierEcologie Systématique et Evolution [ESE]
dc.contributor.authorGHASHGHAIE, Jaleh
hal.structure.identifierConsiglio per la Ricerca in Agricoltura e l’analisi dell’economia agraria = Council for Agricultural Research and Economics [CREA]
dc.contributor.authorBADECK, Franz W.
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorROBERT, Thierry
hal.structure.identifierInstitut des Sciences des Plantes de Paris-Saclay [IPS2 (UMR_9213 / UMR_1403)]
dc.contributor.authorLAMOTHE-SIBOLD, Marlene
hal.structure.identifierLaboratoire de Biologie et Physiologie des Organismes (LBPO)
dc.contributor.authorAID, Fatiha
dc.contributor.editorGerhard Strauch
dc.date.accessioned2024-04-08T12:02:18Z
dc.date.available2024-04-08T12:02:18Z
dc.date.issued2016
dc.identifier.issn1025-6016
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/196195
dc.description.abstractEnThe goals of the present study were to obtain a first estimate of intraspecific variability of carbon isotope discrimination (Δ) in safflower, a thistle-like herbaceous plant, and to determine the statistical relationship between Δ and grain yield as well as its components in a collection of 45 accessions of different origins. Grain yield and aboveground biomass, harvest index, average grain weight, and Δ (measured on the bulk leaf organic matter) were investigated in experimental field conditions. A large variability was noted for all traits but a principal component analysis (PCA) allowed to identify several homogeneous groups of accessions. Average grain yield per plant varied between 1 and 39 g. Δ varied between 21.3 and 25.2 ‰, i.e. a large variation of 3.9 ‰. In our experiment, the variation of Δ was not significantly related to that of grain yield in the whole accession sample. However, we found contrasting trends for this relation within accession groups. These initial results motivate further experiments to assess more in depth correlation between Δ and yield in safflower and are encouraging regarding the possibility of using Δ as an effective selection index in safflower to obtain genotypes that efficiently consume water. This study also highlighted one accession that combines the two characters required in the Mediterranean regions, i.e. high yield performance and high water-use efficiency.
dc.language.isoen
dc.publisherTaylor & Francis
dc.subjectAgriculture
dc.subjectgenotypes
dc.subject.encarbon-13
dc.subject.enCarthamus tinctorius
dc.subject.enirrigation
dc.subject.enisotope ecology
dc.subject.enwater-use efficiency
dc.subject.enyield
dc.subject.enplants
dc.subject.enrain
dc.title.enIntraspecific variability of carbon isotope discrimination and its correlation with grain yield in safflower: prospects for selection in a Mediterranean climate
dc.typeArticle de revue
dc.identifier.doi10.1080/10256016.2016.1142988
dc.subject.halSciences du Vivant [q-bio]
dc.subject.halSciences de l'environnement
dc.subject.halSciences du Vivant [q-bio]/Biologie végétale
bordeaux.journalIsotopes in Environmental and Health Studies
bordeaux.page577-591
bordeaux.volume52
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.issue6
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-02636251
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02636251v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Isotopes%20in%20Environmental%20and%20Health%20Studies&rft.date=2016&rft.volume=52&rft.issue=6&rft.spage=577-591&rft.epage=577-591&rft.eissn=1025-6016&rft.issn=1025-6016&rft.au=MIHOUB,%20Imane&GHASHGHAIE,%20Jaleh&BADECK,%20Franz%20W.&ROBERT,%20Thierry&LAMOTHE-SIBOLD,%20Marlene&rft.genre=article


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