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Authors Gupta, NK; Meena, SK; Gupta, S; Khandelwal, SK
Author Full Name Gupta, NK; Meena, SK; Gupta, S; Khandelwal, SK
Title Gas exchange, membrane permeability, and ion uptake in two species of Indian jujube differing in salt tolerance
Source PHOTOSYNTHETICA
Language English
Document Type Article
Author Keywords ion leakage; net photosynthetic rate; salinity; transpiration rate; Ziziphus
Keywords Plus SALINITY; MAURITIANA
Abstract Effect of NaCl (electrical conductivity of 0, 5, 10, 15, and 20 dS m(-1)) on growth, gas exchange, and ion uptake in two Ziziphus species (Z. rotundifolia and Z. nummularia) differing in salt tolerance was studied. At 30 and 45 d after first leaf initiation, the dry mass of shoot and leaves, and rates of net photosynthesis (P-N) and transpiration (E) decreased significantly with increasing NaCl concentration whereas membrane injury and accumulation of proline increased. The sodium content was highest in the roots of Z. rotundifolia and in the leaves of Z. nummularia. Potassium content did not differ much in the roots but it was significantly higher in the leaves of Z. rotundifolia at 30 and 45 d of observations. Thus both these species were tolerant to salinity but at high salinity Z. rotundifolia performed better owing to its higher P-N and E, restricted translocation of sodium from root to leaves, and larger accumulation of potassium in the leaves.
Author Address Rajasthan Agr Univ, SKN Coll Agr, Jaipur 303329, Rajasthan, India
Reprint Address Gupta, NK (corresponding author), Rajasthan Agr Univ, SKN Coll Agr, Jaipur 303329, Rajasthan, India.
Times Cited 36
Total Times Cited Count (WoS, BCI, and CSCD) 41
Publisher ACAD SCI CZECH REPUBLIC, INST EXPERIMENTAL BOTANY
Publisher City PRAGUE 6
Publisher Address NA KARLOVCE 1A, PRAGUE 6 CZ-160 00, CZECH REPUBLIC
ISSN 0300-3604
29-Character Source Abbreviation PHOTOSYNTHETICA
ISO Source Abbreviation Photosynthetica
Year Published 2002
Volume 40
Issue 4
Beginning Page 535
Ending Page 539
Digital Object Identifier (DOI) 10.1023/A:1024343817290
Page Count 5
Web of Science Category Plant Sciences
Subject Category Plant Sciences
Document Delivery Number 680XW
Unique Article Identifier WOS:000183006200008
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