Loading content, please wait..
loading..
Logo
Version 3.24
or
Authors Rouached, A; Slama, I; Zorrig, W; Jdey, A; Cukier, C; Rabhi, M; Talbi, O; Limami, AM; Abdelly, C
Author Full Name Rouached, Aida; Slama, Ines; Zorrig, Walid; Jdey, Asma; Cukier, Caroline; Rabhi, Mokded; Talbi, Ons; Limami, Anis Mohamed; Abdelly, Chedly
Title Differential performance of two forage species, Medicago truncatula and Sulla carnosa, under water-deficit stress and recovery
Source CROP & PASTURE SCIENCE
Language English
Document Type Article
Author Keywords legume species; osmolytes; rehydration; tolerance; water relations
Keywords Plus SPARTINA-ALTERNIFLORA; ANTIOXIDANT SYSTEMS; PROLINE METABOLISM; OSMOTIC ADJUSTMENT; ABSCISIC-ACID; DROUGHT; RESPONSES; NACL; SOLUTES; LEAVES
Abstract The response patterns during water deficit stress and subsequent recovery of two forage species, Medicago truncatula and Sulla carnosa, were studied. After germination and pre-treatment, seedlings were individually cultivated for two months under two irrigation modes: 100% and 33% of field capacity. Measured parameters were plant growth, water relations, leaf osmotic potential, lipid peroxidation, and leaf inorganic (Na+ and K+) and organic (proline and soluble sugars) solute contents, as well as delta-1-pyrroline-5-carboxylate synthase (P5CS) and proline dehydrogenase (PDH) activities. Our results showed that under control conditions, and in contrast to roots, no significant differences were observed in shoot biomass production between the two species. However, when subjected to water-deficit stress, M. truncatula appeared to be more tolerant than S. carnosa (reduction by 50 and 70%, respectively). In the two studied species, water-deficit stress led to an increase in root/shoot ratio and leaf proline and soluble sugar contents, and a decrease in leaf osmotic potential. Enzymatic assay revealed that in the two species, P5CS activity was stimulated whereas that of PDH was inhibited under stress conditions. Despite greater accumulation of proline, sugar, and potassium in leaves of S. carnosa, M. truncatula was more tolerant to water deficit. This was essentially due to its capacity to control tissue hydration and water-use efficiency, in addition to its greater ability to protect membrane integrity. Following stress relief, M. truncatula and S. carnosa showed partial re-establishment of growth capacity.
Author Address [Rouached, Aida; Slama, Ines; Zorrig, Walid; Jdey, Asma; Rabhi, Mokded; Talbi, Ons; Abdelly, Chedly] Ctr Biotechnol Borj Cedria, Lab Plantes Extremophiles, Hammam Lif 2050, Tunisia; [Rouached, Aida; Cukier, Caroline; Limami, Anis Mohamed] Univ Angers, Res Inst Hort & Seeds UMR 1345, INRA, F-49045 Angers, France
Reprint Address Slama, I (corresponding author), Ctr Biotechnol Borj Cedria, Lab Plantes Extremophiles, BP 901, Hammam Lif 2050, Tunisia.
E-mail Address slama_ines@hotmail.fr
ResearcherID Number Limami, Anis/D-3184-2019; Zribi, Ons Talbi/E-4979-2013; Rabhi, Mokded/J-2973-2013; ZORRIG, Walid/AAU-2256-2020; ZORRIG, Walid/J-3428-2013
ORCID Number Limami, Anis/0000-0002-9985-2363; Zribi, Ons Talbi/0000-0003-4902-6925; Rabhi, Mokded/0000-0001-6817-585X; ZORRIG, Walid/0000-0001-6607-9151; ZORRIG, Walid/0000-0001-6607-9151
Funding Agency and Grant Number Tunisian Ministry of Higher Education, Scientific Research [LR10CBBC10]
Funding Text This work was supported by the Tunisian Ministry of Higher Education, Scientific Research a (LR10CBBC10)
Times Cited 3
Total Times Cited Count (WoS, BCI, and CSCD) 3
Publisher CSIRO PUBLISHING
Publisher City CLAYTON
Publisher Address UNIPARK, BLDG 1, LEVEL 1, 195 WELLINGTON RD, LOCKED BAG 10, CLAYTON, VIC 3168, AUSTRALIA
ISSN 1836-0947
29-Character Source Abbreviation CROP PASTURE SCI
ISO Source Abbreviation Crop Pasture Sci.
Year Published 2013
Volume 64
Issue 3
Beginning Page 254
Ending Page 264
Digital Object Identifier (DOI) 10.1071/CP13049
Page Count 11
Web of Science Category Agriculture, Multidisciplinary
Subject Category Agriculture
Document Delivery Number 196LB
Unique Article Identifier WOS:000322775500006
Plants associated with this reference

LEGAL NOTICES — This website is protected by Copyright © The University of Sussex, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022. The eHALOPH database is protected by Database Right and Copyright © The University of Sussex and other contributors, 2006, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022. This database is based on an earlier work by James Aronson.
THIS WEBSITE AND THIS DATABASE ARE PROVIDED ON AN "AS IS" BASIS, AND YOU USE THEM AND RELY ON THEM AT YOUR OWN RISK.

Contact email: halophytes@sussex.ac.uk
Credits – Tim Flowers, Joaquim Santos, Moritz Jahns, Brian Warburton, Peter Reed