通过实验筛选确定敌敌畏与氯菊酯复配,加入增效剂可明显提高药剂对虫体的击倒力。药效试验结果表明,该复配制剂优于单剂的防效,增效明显。 Screening through the experiment to determine dichlorvos and permethrin compound, adding synergist can significantly improve the pesticide knockout force. The results of the efficacy test showed that the compound preparation is superior to the single-dose prevention effect and has obvious synergistic effect.