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Publication Type J
Authors Gong, D. H., G. Z. Wang, W. T. Si, Y. Zhou, Z. Liu and J. Jia
Title Effects of Salt Stress on Photosynthetic Pigments and Activity of Ribulose-1,5-bisphosphate Carboxylase/Oxygenase in Kalidium foliatum
Source Russian Journal of Plant Physiology
Author Keywords Kalidium foliatum halophyte photosynthetic pigment malondialdehyde Rubisco superoxide dismutase salt treatment antioxidant enzymes lipid-peroxidation brassica-juncea growth ultrastructure chloroplasts tolerance responses decrease system
Abstract The effects of NaCl and Na2SO4 on photosynthetic pigments, malondialdehyde (MDA), Rubisco activity and superoxide dismutase (SOD) activity were investigated in Kalidium foliatum (Pall.) Moq., which is distributed in the saline soil of Hetao irrigation area in Inner Mongolia China. The K. foliatum plants were treated with NaCl (0, 100, 250, 400 and 500 mM), Na2SO4 (0, 100, 250, 400 and 500 mM) and NaCl + Na2SO4 (1: 1, v/v) (0, 100, 250, 400 and 500 mM of Na+ concentration, 0, 50, 125, 200 and 250 mM of Cl- and SO (4) (2-) concentration) for 10 days. Content of chlorophylls and carotenoids were significantly higher than control at increasing NaCl and Na2SO4 concentration, in contrast, were significantly reduced by higher concentration of NaCl + Na2SO4. Rubisco activity reduced steadily at 100 and 250 mM NaCl, while increased at 400 and 500 mM NaCl. Rubisco activity was significantly higher than control at 100 mM Na2SO4, and was no more change under NaCl + Na2SO4 treatment. The SOD activity increased with increasing NaCl and Na2SO4, and increased at moderate NaCl + Na2SO4 treatment. MDA content was lower than control at 250 mM salt concentration. On the basis of the data obtained, K. foliatum showed resistance to salt such as Na+, Cl(-)and SO (4) (2-) , Rubisco activity in K. foliatum might be more sensitive to salt.
Author Address [Gong, D. H.; Wang, G. Z.; Si, W. T.; Zhou, Y.; Liu, Z.; Jia, J.] Inner Mongolia Univ Sci & Technol, Sch Life Sci & Technol, Aerding Str 7, Baotou 014010, Inner Mongolia, Peoples R China. Jia, J (reprint author), Inner Mongolia Univ Sci & Technol, Sch Life Sci & Technol, Aerding Str 7, Baotou 014010, Inner Mongolia, Peoples R China. jiajin0201@163.com
ISSN 1021-4437
ISBN 1021-4437
29-Character Source Abbreviation Russ. J. Plant Physiol.
Publication Date Jan
Year Published 2018
Volume 65
Issue 1
Beginning Page 98-103
Digital Object Identifier (DOI) 10.1134/s1021443718010144
Unique Article Identifier WOS:000426807600012
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