两种新合成化合物对栅藻的毒性作用

两种新合成化合物对栅藻的毒性作用

LY-04 and WSQIF are newly-synthesized compounds which were presented by the Institute of Pesticides Chemistry, Central China Normal University. LY-04 belongs to α-oxophosphonic acid derivatives, while WSQIF is an aromatic acetyl oxophospho04 and WSQIF were determined in S. obliquus cells at 24h, 48h, 72h, 96h represented by cell density. Our data showed that the 24h, 48h, 72h, 96h EC50 of LY-04 were 1983mg/L, 2943mg/L, 240mg/L and 65.0mg/L acetone, respectively, and the 24h,48h, 72h, 96h EC50 of WSQIF were 15.9mg/L, 53.0mg/L, 98.0mg/L and 28.8mg/L respectively. LY-04 displayed a higher insecticidal activity, while WSQIF showed a higher phytocidal activity. As LY-04 and WSQIF were designed to act as insecticide and herbicide, respectively, the results were in contrast to the anticipated ones. According to the toxicant classification standard,EC50 of both substances was far higher than 3mg/L, while the toxicity of LY-04 and WSQIF to aquatic algae were fairly low, indicating that these two pesticides are rather safe to the aquatic ecosystem.

作 者： SHENG Xiu-Mei XIONG Li TANG Hong-Feng   作者单位： SHENG Xiu-Mei(College of Life Science, Central China Normal University, Wuhan, China, 430079;Department of Biochemistry, College of Clinic Technology, Jiangsu University, Zhenjiang , Jiangsu, China, 212001)

XIONG Li,TANG Hong-Feng(College of Life Science, Central China Normal University, Wuhan, China, 430079) 

刊 名： 水生生物学报  ISTIC PKU 英文刊名： ACTA HYDROBIOLOGICA SINICA  年，卷(期)： 2006 30(6)  分类号： X172  关键词： LY-04 and WSQIF   Scenedesmus obliquus Kütz   Toxicity  

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