Individual and Joint Toxicity of Three Chloroacetanilide Herbicides to Freshwater Cladoceran Daphnia carinata
文献类型: 外文期刊
第一作者: He, Hongzhi
作者: He, Hongzhi;Chen, Guikui;Yu, Jing;He, Jinbo;Huang, Xiaolong;Li, Shufeng;Guo, Qiu;Yu, Tianhong;Li, Huashou;Yu, Jing
作者机构:
关键词: Daphnia carinata;Chloroacetanilide;herbicides;Acute toxicity
期刊名称:BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY ( 影响因子:2.151; 五年影响因子:2.129 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Individual and joint toxicity of three chloroacetanilide herbicides to a freshwater cladoceran were studied. The 48 h-LC50 values of alachlor, acetochlor and butachlor to Daphnia carinata Dc42 were 11.1, 11.8 and 3.45 mg L-1, respectively. The toxicity was significantly (p < 0.05) related to hydrophobicity. The additive indexes of binary mixtures of three herbicides were less than zero and it showed antagonism. The body length of D. carinata treated with high concentration of herbicides was shorter than that of control group significantly (p < 0.05). It suggests that joint actions must be considered when assessing the acute toxicity of chloroacetanilide herbicides to D. carinata.
分类号: R99
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