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探讨中草药闹羊花用于灭鼠的可行性。方法：在既往试验的基础上，笔者提取了闹羊花叶中根木毒素，并进行了灭鼠试验。结果：闹学花叶煎剂灌服黄胸鼠，20g千叶或80g鲜叶／kg体重，死亡率为100％；10g干叶或40g鲜叶／kg体重，死亡率为60％。闹羊花叶煎汁浸泡大米，16g、6．4g或3．g干叶／g（大米）对黄胸鼠的致死率分别为4．0％、0％、40％；而3．2g干叶／g（大米）对小家鼠的致死率为62．2％。结论：该有毒植物如再经一定的加工，用于灭鼠有一定前途。
Explore the feasibility of using Chinese herbal medicines for preventing rodent infestation. Methods: On the basis of the previous experiments, the author extracted root wood toxin from Rhododendron moulton and conducted the rodent control experiment. The results showed that the mortality rate was 100%. The death rate was 60% with 10g dry leaves or 40g fresh leaves / kg body weight. Raffia leaf frying sauce soaked rice, 16g, 6.4g or 3. g dry leaves / g (rice) were 4.0%, 0%, 40%, respectively; while the lethal rate of 3.2 g dry leaf / g (rice) to Mus musculus was 62.2 %. Conclusion: If the poisonous plant is processed to certain extent, it will have certain future for rodent control.