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Effects of NaCl Stress on Physiological and Biochemical Characters of Glycine soja(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年06期
Page:
1067-1071
Research Field:
Publishing date:

Info

Title:
Effects of NaCl Stress on Physiological and Biochemical Characters of Glycine soja
Author(s):
WANG Li-yan
Biology Department,Dezhou College,Dezhou 253023,Shandong,China
Keywords:
Glycine sojaNaCl stressContent of MDAAntioxidative systemOsmotic
PACS:
Q945.78
DOI:
10.11861/j.issn.1000-9841.2008.06.1067
Abstract:
The antioxidative system and osmotic regulation are two main factors affecting plant progress under NaCl stress.The effects of NaCl stress on the antioxidative system and osmotic regulation in the seedlings of Glycine soja were studied in this paper.The results showed that the activities of superoxide dismutase(SOD),peroxidase(POD)had similar trend,which was increasing firstly,then decreasing with NaCl concentrations from 0 up to 200 mmol.L-1.The catalase(CAT)activity decreased with the increasing of NaCl concentrations;The contents of MDA not varied evidently firstly and then increased evidently(100-200 mmol.L-1NaCl).The contents of MDA were the highest when the NaCl concentration was 200 mmol L-1.The contents of proline increased with the increasing of NaCl concentrations,and soluble sugar decreased firstly,then increased evidently with the increasing of NaCl concentrations as well.It was thus suggested that POD and SOD and osmotic regulation capacity of proline(Pro)play an important role in Glycine soja resistant to NaCl stress.

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Last Update: 2014-10-06