麻疯树不同提取物对福寿螺的毒杀活性  

The Molluscidal Activities of Different Extracts from Jatropha curcas L.against Pomacea canaliculata

作　　者：张小龙[1] 李甫[1] 陈斌[1] 王明奎[1] 

机构地区：[1]中国科学院成都生物研究所中国科学院山地生态恢复与生物资源利用重点实验室,四川成都610041

出　　处：《安徽农业科学》2012年第6期3349-3350,共2页Journal of Anhui Agricultural Sciences

基　　金：四川省科技计划项目(2008SZ0212)

摘　　要：[目的]分析麻疯树不同部位多种提取物对福寿螺的毒杀活性。[方法]采用浸泡法,测定了不同浓度的麻疯树根和叶的甲醇提取物、水溶性成分和脂溶性成分、种子油和皂化种子油以及从根中分离得到的Jatropholone B和Curcusone D在不同处理时间下对福寿螺的毒杀活性。[结果]除麻疯树根和叶的水溶性成分外,其他样品都有一定的杀螺活性,其中根的脂溶性成分杀螺效果最佳2,4 h时LD50为0.10 mg/ml,该浓度下处理72 h时福寿螺死亡率达到100%。化合物Jatropholone B和Curcusone D也具有一定的杀螺活性,其中Jatropholone B在72 h时的LD50为0.02 mg/ml;Curcusone D在48 h时的LD50为0.02 mg/ml。[结论]麻疯树资源具有开发成为杀灭福寿螺的绿色农药的潜在价值。[Objective] The aim was to analyze the molluscidal activities of different extracts from J.curcas against P.canaliculata.[Method] Using steeping method,the molluscidal activities of carbinol extracts,water-soluble and lipophilic extracts,the seed oil and defatted seeds oil from roots and leaves of J.curcas with different concentrations,and Jatropholone B and Curcusone D separated from roots against P.canaliculata were determined.[Result] All kinds of extracts showed a significant molluscidal effect on the adult snails at a low concentration except the water-soluble extracts from J.curcas leaves and roots.The lipophilic extracts of roots showed the best molluscidal effect.The LD50 was 0.10 mg/ml at 24 h,and the treatment with the extract for more than 72 h resulted in a 100% mortality rate of the snails.The LD50 of Jatropholone B was 0.02 mg/ml at 72 h,while the LD50 of Curcusone D was 0.02 mg/ml at 48 h.[Conclusion] J.curcas has a potential value for developing natural pesticides to control P.canaliculata.

关 键 词：麻疯树 福寿螺 天然农药 

分 类 号：R284[医药卫生—中药学]