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dc.contributor.authorSánchez-Blanco, María Jesús-
dc.contributor.authorRodríguez, Pedro-
dc.contributor.authorMorales, María Angeles-
dc.contributor.authorOrtuño Gallud, Mª Fernanda-
dc.contributor.authorTorrecillas Melendreras, Arturo-
dc.identifier.citationPlant Science 162(1): 107-113 (2002)en_US
dc.description.abstractFour month old Cistus albidus and Cistus monspeliensis plants growing in a growth chamber were submitted to two consecutive cycles, during which irrigation water was withheld for 7 days before being reconnected and the plants rewatered to run off (WD treatment). Control treatment plants were irrigated daily. At the end of the second dry period the treated plants were submitted to control plant conditions for 15 days. C. monspeliensis plants withstood the water deficit better than C. albidus, mainly due to its capacity to recover a water deficit situation. C. monspeliensis plants show net assimilation rate (NAR) levels above those of the control plants during the recovery period. In C. albidus the main growth limiting factor was the cellular expansion, whereas in C. monspeliensis photosynthesis was the limiting factor. Both species developed complementary avoidance mechanisms based on stomatal closure, a reduction in leaf area and root hydraulic conductivity, and epinasty. C. monspeliensis plants showed good osmotic adjustment in response to water deficit, which enabled it to avoid decreased leaf turgor potential and partial dehydration. After the water deficit, the mobilisation of accumulated organic solutes may also have contributed to the increased relative growth rate and NAR during the recovery period.en_US
dc.description.sponsorshipThe authors are grateful to M.D. Velasco for her assistance. This research was supported by UE (UE-DG VI-PL-94-2472), CICYT (AGF96-1136-C02-02) and FEDER (1FD97-0420-C02-02). P.R. was a recipient of a MUTIS research fellowship from the Agencia Española de Cooperación Internacional (AECI).en_US
dc.format.extent579917 bytes-
dc.subjectCistus albidusen_US
dc.subjectCistus monspeliensisen_US
dc.subjectGas exchangeen_US
dc.subjectRoot hydraulic resistanceen_US
dc.titleComparative growth and water relations of Cistus albidus and Cistus monspeliensis plants during water deficit conditions and recoveryen_US
dc.description.peerreviewedPeer revieweden_US
dc.contributor.funderEuropean Commission-
dc.contributor.funderFederación Española de Enfermedades Raras-
dc.contributor.funderMinisterio de Asuntos Exteriores y Cooperación (España)-
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