【作者】 谈迎春； 张永安； 陈昌洁； A.K.M.EKRAMODDOULLAH； H.S.WHITNEY；

【Author】 Tang Yingchun Zhang Yongan Chen Changjie (The Research Institute of Forestry,The Chinese Academy of Forestry,Beijing) A.K.M.Ekramoddoullah H.S.Whitney (Pacific Forestry Center,506 West Burnside Road,Victoria,Canada)

【机构】 中国林业科学研究院林研所； 加拿大林务局太平洋林业中心；

【摘要】 <正>球孢白僵菌(Beauveria bassiana)具有较广的寄主范围,能寄生很多种昆虫。在中国白僵菌是研究最多、应用最广的一种昆虫病原真菌。在松毛虫、玉米螟的防治中,白僵菌是一种有效的生防手段,但是白僵菌应用效果常常受各种因子的影响,如菌株、温更多还原

【Abstract】 Soluble mycelial proteins from 24 isolates of Beauveria bassiana,1 isolates of B.brongniartii and 2 isolates of Paecilomyces sp.were analysed by using SDS-polyacrylamide gel eletrophoresis.The results showed that both the species and the isolates of B.bassiana were distingushable according to their protein profiles.In terms of the homology in protein profiles,the isolates of B.bassiana could be divided into at least 10 groups which differed in presence or absence of one or more protein bands.The results of bioassay of the virulence of some isolates to pine caterpillars, Dendrilimus punctatus,and mountain pine beetles Dendroctonus ponderosae did not reveale any relationship between protein profiles and the virulence of isolates.However,it was found that an isolate tended to be more virulent when it was used to infect the same species as its original host.更多还原