Study on the membrane lipid peroxidation of the leaves of <i>Kandelia candel</i> seedlings to long-term and short-term salinity

Wang Wenqing; Lin Peng

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Article Navigation > Haiyang Xuebao > 2000 > 22(3): 49-54

Wang Wenqing, Lin Peng. Study on the membrane lipid peroxidation of the leaves of Kandelia candel seedlings to long-term and short-term salinity[J]. Haiyang Xuebao, 2000, 22(3): 49-54.

Citation:

Wang Wenqing, Lin Peng. Study on the membrane lipid peroxidation of the leaves of Kandelia candel seedlings to long-term and short-term salinity[J]. Haiyang Xuebao, 2000, 22(3): 49-54.

Wang Wenqing, Lin Peng. Study on the membrane lipid peroxidation of the leaves of Kandelia candel seedlings to long-term and short-term salinity[J]. Haiyang Xuebao, 2000, 22(3): 49-54.

Citation:

Wang Wenqing, Lin Peng. Study on the membrane lipid peroxidation of the leaves of Kandelia candel seedlings to long-term and short-term salinity[J]. Haiyang Xuebao, 2000, 22(3): 49-54.

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Study on the membrane lipid peroxidation of the leaves of Kandelia candel seedlings to long-term and short-term salinity

Department of Biology, Xiamen University, Xiamen 361005

Received Date: 1998-07-24
Rev Recd Date: 1998-10-15

Abstract

Abstract

The membrane lipid peroxidation of the leaves of mangrove Kandelia candel seedling to long- and short-term salinity is dealt with.There were different trends in the SOD activity, MDA concentration and succulence of K.candel leaf with increasing salinity between long-term salt-stress (45 d) and short-term salt-stress(1 d).At short-term salt-stress with increasing salinity, SOD activity appeared in U-shaped, minimized at salinity 15~20;MDA concentration did not change significantly, electrolyte leakage(%)increased, and leaf succulence increased at first, maximized at salinity 20, then declined.While at long-term salt-stress with increasing salinity, SOD activity increased at low salinity and decreased at higher salinity, MDA concentration declined, electrolyte leakage and leaf succulence increased.There were differences in salt-tolerant mechanism between long-term saltstressed group and short-term salt-stressed group.Membrane lipid peroxidation was not the main reason for the destroy of K.candel leaves under salt stress.
- Kandelia candel,
- salt-stress,
- membrane lipid peroxide

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References(23)

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