Scientia Agricultura Sinica ›› 2011, Vol. 44 ›› Issue (16): 3485-3490.doi: 10.3864/j.issn.0578-1752.2011.16.023

• RESEARCH NOTES • Previous Articles    

Effect of DA-6 on Enhanced Remediation Efficiency of Solanum nigrum L. in Serious Cadmium Polluted Soil

YU  Cai-Lian, LIU  Bo, XU  Xin   

  1. 1. 哈尔滨理工大学化学与环境工程学院
    2. 哈尔滨工业大学市政环境工程学院
  • Received:2010-07-20 Revised:2010-09-11 Online:2011-08-15 Published:2010-10-18

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Abstract: 【Objective】 The purpose of this experiment was to study the effect of different concentrations of diethyl aminoethyl hexanoate（DA-6） on the S. nigrum L. biomass and extraction from serious cadmium polluted soil, and discuss the best suitable one which could increase the remediation efficiency. 【Method】 A pot culture experiment was designed by different concentrations of DA-6 with soaking seed and foliage spraying. 【Result】 Results showed that at mature stage, 5, 10, 20 and 40 mg•L-1 DA-6 could increase the shoot dry weight by 8.69%-27.54% (P＜0.05), cadmium concentration by 2.62%-6.75% and total cadmium extraction by 10.12%-36.31% (P＜0.05). MDA got decreased at seedling and mature stages, while SPAD meter value increased; POD activity increased at seedling stage, but decreased at mature stage.【Conclusion】All treatments designed enhanced remediation efficiency, while 20 mg•L-1 DA-6 was the best one.

Key words: cadmium, SolanumnigrumL., DA-, enhancedremediationsoil

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