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昆虫病原线虫共生菌对甜菜夜蛾和辣椒炭疽病菌的生物活性测定
引用本文:王欢,丛斌,刘彦群,董辉,隋欣.昆虫病原线虫共生菌对甜菜夜蛾和辣椒炭疽病菌的生物活性测定[J].中国蔬菜,2009,1(12):33-36.
作者姓名:王欢  丛斌  刘彦群  董辉  隋欣
作者单位:1.沈阳农业大学生物科学技术学院,辽宁沈阳 110161;2沈阳农业大学植物保护学院,辽宁沈阳 110161
基金项目:国家自然科学基金,国家攻关课题,辽宁省自然科学基金,沈阳农业大学青年教师科研基金,农业部公益性行业项目 
摘    要:利用40株昆虫病原线虫共生菌菌株,以两种辣椒主要病虫害——甜菜夜蛾和辣椒炭疽病菌作为 供试昆虫和真菌,对其杀虫抑菌活性进行测定。结果表明,40株共生菌菌株的发酵液对这两种病虫均有 一定的抑制活性,其中嗜线虫致病杆菌(Xenorhabdus nematophila)A24-1菌株的杀虫抑菌活性最为明 显,处理后120 h对甜菜夜蛾的平均校正死亡率为100.00 %;对辣椒炭疽病菌的抑菌圈直径为40.00 mm。

关 键 词:昆虫病原线虫共生菌  生物活性  甜菜夜蛾  辣椒炭疽病菌  
收稿时间:2008-09-23;

Insecticidal and Antibiotic Activities of Symbiotic Bacteria Strains to Laphygma exigua and Colletotrichum gloeosporiodies
WANG Huan,CONG Bin,LIU Yan-qun,DONG Hui,SUI Xin.Insecticidal and Antibiotic Activities of Symbiotic Bacteria Strains to Laphygma exigua and Colletotrichum gloeosporiodies[J].China Vegetables,2009,1(12):33-36.
Authors:WANG Huan  CONG Bin  LIU Yan-qun  DONG Hui  SUI Xin
Institution:1.College of Biological Science and Technology,Shenyang Agricultural University,Shenyang 110161,Liaoning,China;2.College of Plant Protection,Shenyang Agricultural University, Shenyang 110161,Liaoning,China
Abstract:Forty strains of symbiotic bacteria were isolated from entomopathogenic nematodes.Bioassay results showed that all strains had virulent activity to the first instar larvae of Laphygma exigua and Colletotrichum gloeosporiodies to some extent,among which Xenorhabdus nematophila A24-1 strain was the best one.The average corrected mortalities to Laphygma exigua was 100.00 %,and the diameter of antibiotic circle to Colletotrichum gloeosporiodies was 40.00 mm.
Keywords:
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