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| Effects of Lead Stress on Chlorophyll Content and Antioxidant System of Pakchoi |
| Du Liancai |
| (Bioengineering Institute,Weifang University，Weifang 261061) |
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Abstract Pakchoi seedlings exposed to different concentrations of lead were used to study effects of lead stress on chlorophyll content and antioxidant system.The main results were following:with the increase of lead concentration the contents of chlorophyll a,chlorophyll b,and total chlorophyll decreased,and the activities of SOD,POD,CAT first increased then decreased,and the MDA content increased.
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Received: 28 September 2007
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