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目的观察Boo2对光滑双脐螺的直接作用 ,及与氯硝柳胺合用的增效作用。方法采用 2 5℃室内浸泡48h法。结果用 1 5 6 3mg/LBoo2溶液浸泡 8h ,光滑双脐螺软体麻痹率为 5 3 3 % ;36h麻痹率为 10 0 %。Boo2浸泡 48h ,LC50 为 3 6 76mg/L。与氯硝柳胺组成混合液 ,在Boo2浓度为 3 12 5mg/L溶液中 ,氯硝柳胺的LC50由单独浸杀的 0 0 96mg/L降至 0 0 46mg/L ,杀螺效果提高 2 1倍。结论Boo2对光滑双脐螺有明显麻痹与杀灭作用 ,与氯硝柳胺复方用药有显著杀螺增效作用。
Objective To observe the direct effect of Boo2 on the smooth smooth snakehead snail and its synergistic effect with niclosamide. Methods Indoor soak at 25 ℃ for 48 hours. Results After soaking with 165 mg / L solution of LBoo2 for 8 hours, the paralysis rate of smooth-bodied umbilical cord was 53.3%. The paralysis rate of 36h was 100%. Boo2 soaked 48h, LC50 of 3 6 76mg / L. And niclosamide mixed solution, the LC50 of niclosamide decreased from 0 0 96 mg / L to 0 0 46 mg / L in the concentration of 3 12 5 mg / 1 times. Conclusion Boo2 has obvious paralysis and killing effect on smooth double umbilical snail, and it has a significant synergistic effect with niclosamide compound.