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dc.contributor.authorGalindo Egea, A.es_ES
dc.contributor.authorCruz, Z. N.es_ES
dc.contributor.authorRodríguez Hernández, Pedroes_ES
dc.contributor.authorCollado González, Jacintaes_ES
dc.contributor.authorCorell González, M.es_ES
dc.contributor.authorMemmi, H.es_ES
dc.contributor.authorMoreno Lucas, Félixes_ES
dc.contributor.authorMoriana, Alfonsoes_ES
dc.contributor.authorTorrecillas Melendreras, Arturoes_ES
dc.contributor.authorPérez-López, D.es_ES
dc.identifier.citationAgricultural Water Management 164(1): 110–117 (2016)es_ES
dc.description8 páginas.-- 6 figuras.-- 1 tabla.-- 44 referenciases_ES
dc.description.abstractThe fruit maturation stage is considered the optimal phenological stage for implementing water deficitin jujube (Zizyphus jujuba Mill.), since a low, moderate or severe water deficit at this time has no effect onyield, fruit volume or eating quality. However, no information exists at fruit water relations level on themechanisms developed by Z. jujuba to confront drought. The purpose of the present study was to increaseour understanding of the relationship between leaf and fruit water relations of jujube plants under dif-ferent irrigation conditions during fruit maturation, paying special attention to analysing whether fruitsize depends on fruit turgor. For this, adult jujube trees (cv. Grande de Albatera) were subjected to fiveirrigation treatments. Control plants (T0) were irrigated daily above their crop water requirements inorder to attain non-limiting soil water conditions in 2012 and 2013. T1 plants were subjected to deficitirrigation throughout the 2012 season, according to the criteria frequently used by the growers in thearea. T2 (2012), T3 and T4 (2013) were irrigated as T0 except during fruit maturation, in which irrigationwas withheld for 32, 17 and 24 days, respectively. The results indicated that the jujube fruit maturationperiod was clearly sensitive to water deficit. During most of this stage water could enter the fruits viathe phloem rather than via the xylem. From the beginning of water withholding to when maximumwater stress levels were achieved, fruit and leaf turgor were maintained in plants under water deficit.However, a direct relation between turgor and fruit size was not found in jujube fruits, which could bedue to an enhancement of a cell elasticity mechanism (elastic adjustment) which maintains fruit turgorby reducing fruit cells size or to the fact that jujube fruit growth depends on the fruit growth-effectiveturgor rather than just turgor pressure.es_ES
dc.description.sponsorshipThis research was supported by Agencia Espa˜nola de Coop-eración Internacional para el Desarrollo (AECID) (A1/035430/11)and MICINN and MINECO (CICYT/FEDER AGL2010-19201-C04-01AGR and AGL2013-45922-C2-2-R) grants to the authors. AG, ZNC,JCG and HM were funded by a FPU, an AECID, a FPI an INIA grantfrom the Spanish Government, respectively.es_ES
dc.subjectDeficit irrigationes_ES
dc.subjectGas exchangees_ES
dc.subjectPlant water relationses_ES
dc.subjectZizyphus jujubaaes_ES
dc.titleJujube fruit water relations at fruit maturation in response to water deficitses_ES
dc.description.peerreviewedPeer reviewedes_ES
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