球孢白僵菌MZ041016菌株对平菇厉眼蕈蚊的毒力  

Virulence of Beauveria bassiana MZ041016 to Lycoriella pleuroti in the laboratory

作　　者：袁盛勇[1] 孔琼[2] 张宏瑞[3] 李正跃[3] 张雪梅[1] 李雄强[1] 李文伟[1] 

机构地区：[1]云南红河学院农学系,蒙自661100 [2]云南红河学院生物系,蒙自661100 [3]云南农业大学植保学院,昆明650201

出　　处：《植物保护》2010年第2期141-143,共3页Plant Protection

基　　金：云南省教育厅基金项目(08c0202);红河学院校级项目(XJ1Y0804)

摘　　要：利用球孢白僵菌MZ041016菌株5种孢子悬浮液浓度(3.6×104～3.6×108个/mL)对平菇厉眼蕈蚊成虫和幼虫进行室内毒力测定。在3.6×108个/mL浓度下成虫死亡率最高达86.72%,幼虫死亡率最高达87.69%,成虫的LC50为2.319×105个/mL,幼虫的LC50为3.082×105个/mL。在3.6×104～3.6×108个/mL浓度处理下成虫的LT50依次为8.57、6.14、5.18d和4.28d,幼虫的LT50分别为8.09、6.03、4.96d和4.53d。球孢白僵菌MZ050724菌株在室内对平菇厉眼蕈蚊的成虫和幼虫有较强的毒力。The virulence of Beauveria bassiana MZ041016 to Lycoriella pleuroti under five different concentraTions from 3.6 × 10^4 spores/mL to 3.6 ×10^8 spores/mL was determined. The results indicated that the virulence of B. bassiana MZ041016 to adults and larvae of L. pleuroti was high. The mortality rate of adults and larvae was 86.72% and 87.69%, respectively, under the concentration of 3.6×10^8 spores/mL. On the 7th day, the LC50 of adults was 2. 319× 10^5 spores/mL, and the LC50 of larvae was 3. 082×10^5 spores/mL. Under different concentrations, the LT50 of adults was 8.57, 6.14, 5.18 d and 4.28 d, respectively, and the LT50 of larvae was 8.09,6.03, 4.96 d and 4.53 d, respectively.

关 键 词：球孢白僵菌 平菇厉眼蕈蚊 成虫 幼虫 毒力 

分 类 号：S476.12[农业科学—农业昆虫与害虫防治]