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Publication Type J
Authors Wang, G. Z. and J. Jia
Title Effects of NaCl on physiology and leaf ultrastructure in the halophyte Kalidium foliatum
Source Nordic Journal of Botany
Author Keywords SALINITY TOLERANCE SALT TOLERANCE STRESS PLANTS RESPONSES GROWTH PHOTOSYNTHESIS MECHANISMS RESISTANCE CULTIVARS
Abstract We studied the effects of salt exposure on the growth and physiology of the xerohalophyte Kalidium foliatum. Plants were grown for 21 days under greenhouse conditions in the presence of between 0 and 500 mM NaCl. Optimum root activity and chlorophyll content were observed at 200 mM and 300 mM NaCl, respectively. Superoxide production increased with increasing NaCl concentration throughout the studied range. These results indicate that moderate salinity has a stimulating effect on the growth of K. foliatum. NaCl also induced leaf ultra-structural changes. The chloroplasts and cell nuclei all displayed an elliptic shape between 0 and 300 mM NaCl. However, they appeared to be swollen between 400 and 500 mM NaCl. The mitochondria were unaffected by salinity, and all organelles remained intact under NaCl stress. These results provide insights into the mechanism of salt tolerance in K. foliatum.
Author Address [Wang, Guoze; Jia, Jin] Inner Mongolia Univ Sci & Technol, Sch Math Phys & Biol Engn, CN-014010 Baotou, Inner Mongolia, Peoples R China. Wang, GZ (reprint author), Inner Mongolia Univ Sci & Technol, Sch Math Phys & Biol Engn, 7 Aerding St, CN-014010 Baotou, Inner Mongolia, Peoples R China. jiajin0201@163.com
ISSN 0107-055X
ISBN 0107-055X
29-Character Source Abbreviation Nord. J. Bot.
Publication Date Apr
Year Published 2015
Volume 33
Issue 2
Beginning Page 232-238
Digital Object Identifier (DOI) 10.1111/njb.00690
Unique Article Identifier WOS:000352799000015
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