Keywords beta-cypermethrin;butachlor;Platymonas;subcordiformis;Dunaliella salina;acute toxicity;chronic toxicity;joint toxicity;

• 高效氯氰菊酯;丁草胺;杜氏盐藻;亚心形扁藻;急性毒性;慢性毒性;联合毒性;