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瑞香狼毒对稻螟的生物活性研究
引用本文:田仁君,马均,周丽,周一民,赵纯光,侯太平.瑞香狼毒对稻螟的生物活性研究[J].四川大学学报(自然科学版),2005,42(6):1266-1270.
作者姓名:田仁君  马均  周丽  周一民  赵纯光  侯太平
作者单位:1. 四川大学生命科学学院,成都,610064
2. 四川农业大学,四川,雅安,625014
基金项目:国家自然科学基金资助(20372052;31071072);国家粮食丰产科技工程项目(2004BA520A05)
摘    要:研究了瑞香狼毒根提取物对水稻大螟幼虫的生物活性.结果表明,瑞香狼毒乙醇提取物对水稻大螟幼虫具有较高的拒食活性和较强的毒杀活性,毒杀活性的致死中浓度(LC50)为181.39mg/L,拒食活性的拒蛀中浓度(AFC50)为274.21mg/L.采用萃取及分段柱层析并结合活性跟踪从中分离到一个中等极性高活性段,此活性段LC50为92.09mg/L,为进一步研究瑞香狼毒对稻螟的生物活性奠定了基础.

关 键 词:瑞香狼毒  大螟  毒杀活性  拒食活性
文章编号:0490-6756(2005)06-1266-05
收稿时间:2005-06-06
修稿时间:2005-06-06

Bioactivity of Stellera chamaejasme L. against Sesamia inferens
TIAN Ren-jun,MA Jun,ZHOU Li,ZHOU Yi-min,ZHAO Chun-guang,HOU Tai-ping.Bioactivity of Stellera chamaejasme L. against Sesamia inferens[J].Journal of Sichuan University (Natural Science Edition),2005,42(6):1266-1270.
Authors:TIAN Ren-jun  MA Jun  ZHOU Li  ZHOU Yi-min  ZHAO Chun-guang  HOU Tai-ping
Institution:1. College of Life Science, Sichuan University, Chengdu 610064, China; 2. Sichuan Agriculture University, Sichuan Yaan 625014, China
Abstract:The extraction from the root of Stellera chamaejasrne L. was tested for the bioactivity against larvae of Sesarnia inferens . A kind of high active ingredient was isolated by dip, systematic extraction and chromatography. The results of research indicated that the AFC50 on the antifeedant activity is 274.21mg/L and the LC50on poisonous activity is 181.39mg/L and 92.09mg/L. It is the base of the using the root of Stellera chamaejasme L against larvae of Sesarnia inferens.
Keywords:Stellera chamaejasme L    Sesamia inferens  poisonous activity  antifeeding activity
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