二种除草剂对虎纹蛙蝌蚪的毒性研究  

A Study on The Toxicity of Two Kinds of Herbicides to Tadpole of Rana rugulosa

作　　者：施时迪[1] 邵晨[2] 

机构地区：[1]浙江台州学院生命科学与医药化工学院,浙江临海317000 [2]浙江师范大学生态研究所,浙江金华321004

出　　处：《科技通报》2006年第2期173-175,共3页Bulletin of Science and Technology

基　　金：浙江省自然科学基金资助项目(M303128)

摘　　要：研究了二种常用除草剂施田补和百草枯对虎纹蛙Rana rugulosa蝌蚪的毒性。结果表明:随着除草剂浓度的增大,虎纹蛙蝌蚪的死亡率随之提高;百草枯对虎纹蛙蝌蚪的毒性大于施田补,施田补和百草枯对虎纹蛙蝌蚪72 h的半致死浓度(IC50)分别为1.23×10-6L和1.02×10-6L。本研究结果对于合理使用除草剂以有效保护虎纹蛙资源有积极意义。The toxicity of two common herbicides, Pendimethalin and Paraquat under various concentrations to tadpole of Rana rugulosa was studied. The results indicate that the higher concentration of herbicide is, the much death of tadpole of Rana rugulosa has. The toxicity of Paraquat to tadpole of Rana rugulosa is greater than Pendimethalin＇ s. The 72 h-IC50 of Pendimethalin and Paraquat to tadpole of Rana rugulosa were distinctively 1.23×10^-6L and 1.02×10^-6L. It surgests that the reasonabl using of herbicides is actively significant to the survival of resources of Rana rugulosa.

关 键 词：保护生物学 虎纹蛙蝌蚪 除草剂 毒性 

分 类 号：Q16[生物学—普通生物学]