Loading content, please wait..
loading..
Logo
Version 3.21
or
Publication Type J
Authors Jothiramshekar, S., J. J. Benjamin, R. Krishnasamy, A. K. Pal, S. George, R. Swaminathan and A. K. Parida
Title Responses of selected C3 and C4 halophytes to elevated CO2 concentration under salinity
Source Current Science
Author Keywords Elevated carbon dioxide halophytes salinity photosynthetic pathway Sesuvium portulacastrum Suaeda nudiflora salt stress gas-exchange carbohydrate-metabolism exogenous application lipid-peroxidation atmospheric co2 water relations carbon-dioxide nacl salinity plants
Abstract Halophytes have superior capacity to withstand soil salinity and are appropriate resources to study the mechanism of salt tolerance which can be harnessed to develop crops to withstand salinity. In this communication, we report the effect of salinity (200 mM NaCl) and elevated carbon dioxide (CO2 ) treatments in tandem, on select halophytes that have different photosynthetic pathways: C3 and C4. The plants were raised in ambient (380 ppm) and enriched (500 ppm) concentrations of CO2 using a mini-FACE facility. Total chlorophyll content, total soluble sugar concentration, lipid peroxidation level and electrolyte leakage were measured from fresh leaf samples collected at different time points. The results show a positive effect for elevated CO2 concentration on salt tolerance in both C3 and C4 plants, and indicate that halophytes may benefit from rising atmospheric CO2 concentration. The results also suggest that C4 halophytes may benefit from the rising atmospheric CO2 concentration than C3 halophytes.
Author Address [Jothiramshekar, Saranya; Benjamin, Jenifer Joseph; Krishnasamy, Rani; Pal, Anand Kumar; George, Suja; Swaminathan, Rajalakshmi; Parida, Ajay K.] MS Swaminathan Res Fdn, Dept Plant Mol Biol, Taramani Inst Area, 3 Cross St, Madras 600113, Tamil Nadu, India. [Parida, Ajay K.] Govt India, Dept Biotechnol, Inst Life Sci, Bhubaneswar 751023, Odisha, India. Swaminathan, R (reprint author), MS Swaminathan Res Fdn, Dept Plant Mol Biol, Taramani Inst Area, 3 Cross St, Madras 600113, Tamil Nadu, India. raji.swaminathan@gmail.com
ISSN 0011-3891
ISBN 0011-3891
29-Character Source Abbreviation Curr. Sci.
Publication Date Jul
Year Published 2018
Volume 115
Issue 1
Beginning Page 129-135
Digital Object Identifier (DOI) 10.18520/cs/v115/i1/129-135
Unique Article Identifier WOS:000439243100031
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. 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. 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