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目的为提高防制蟑螂的杀灭效果,配制杀灭蟑螂的有效药物。方法取新鲜雷公藤若干,用化学纯的乙醇密封浸泡15 d,将浸泡液按1:1的比例加水稀释,选择一所宾馆的客房10间,按30 ml/m2进行药物滞留喷洒,24 h后观察其杀灭效果。结果10间客房处理前密度较高,最高为56只/10 min,最低16只/10 min,平均为36.3只/10 min,施药24 h后,10间房间平均密度为1.2只/10 min,下降率为96.97%。结论中草药雷公藤经乙醇浸泡后对蟑螂具有很好的杀灭效果,是经济、实惠、安全的杀虫药剂,值得推广。
The purpose is to improve the killing effect of preventing cockroaches and to formulate effective drugs for killing cockroaches. Methods Take a number of fresh Tripterygium wilfordii, soaked with chemically pure ethanol 15 d, the soaking solution diluted 1: 1 ratio of water, select a hotel room 10, 30 ml / m2 for drug retention spraying, 24 h After the observation of its killing effect. Results The average density of 10 rooms before treatment was 56/10 min and the minimum was 16/10 min, with an average of 36.3 / 10 min. The average density of 10 rooms after treatment was 1.2 / 10 min , The rate of decline was 96.97%. Conclusion Chinese herbal medicine Tripterygium wilfordii after ethanol soak cockroach has a good killing effect, is economical, affordable, safe insecticide, it is worth promoting.