大豆高隆象致病球孢白僵菌菌株BEdy1的鉴定及毒力测定

张磊,贾琦,巫蔚,赵路评,薛冰,刘欢欢,尚静,雍太文,李庆,杨文钰

Species Identification and Virulence Determination of Beauveria bassiana Strain BEdy1 from Ergania doriae yunnanus

ZHANG Lei,JIA Qi,WU Wei,ZHAO LuPing,XUE Bing,LIU HuanHuan,SHANG Jing,YONG TaiWen,LI Qing,YANG WenYu

表2 不同时间下球孢白僵菌BEdy1对大豆高隆象的毒力

Table 2 Virulence of B. bassiana BEdy1 to E. d. yunnanus at different times

时间 Time (d) 毒力回归方程 Toxicity regression equation (y=) LC50 (孢子/mL) LC95 (孢子/mL) 相关系数 Correlation coefficient 7 0.1287x-0.5047 6.43×107 2.02×1011 0.9470 8 0.2120x-0.8513 2.37×106 3.14×108 0.9879 9 0.1760x-0.4473 2.41×105 8.70×107 0.9560 10 0.1567x-0.2333 4.80×104 3.57×107 0.9196