Natural drug composition for preventing and controlling takahashi and application of natural drug composition

The invention discloses a natural drug composition for preventing and controlling takahashi and application of the natural drug composition. The natural drug composition comprises an active composition A and an active composition B, the active composition A is an eupatorium adenoprum extracting solution, the active composition B is selected from one or two of extracting solutions of cushaw leavesor humulus scandens, and the volume ratio of the active composition A and the active composition B is 1 to 1. The natural drug composition has a good preventing and control effect on the takahashi, and has the advantages that the natural drug composition is environmentally friendly, relatively safe for humans and animals, low in risk, easy to obtain, biodegradable, and not prone to producing drugresistance. 本发明公开了种防治居竹伪角蚜的天然药物组合物及其应用，所述的组合物包括活性成分A和活性成分B，所述的活性成分A为紫茎泽兰提取液，所述的活性成分B选自南瓜叶或葎草提取液中的种或两种，所述的活性成分A和活性成分B的体积比为1:1。本发明天然组合物对居竹伪角蚜具有很好的防治效果，且具有对环境友好，对人和动物相对安全，风险较低，容易获得，可生物降解，不易产生耐药性等特点。