苏云金杆菌防治杨小舟蛾试验  

Control experiment of Bacillus thuringiensis against Micromelalopha troglodyta(Graeser)

作　　者：胡猛[1] 许冰 高玉国[1] 薛玉燕 王安静 

机构地区：[1]济宁市林业局,山东济宁272019 [2]济宁任城区林业局,山东济宁272000 [3]曲阜市林业局,山东曲阜273103 [4]梁山县林业局,山东梁山274800

出　　处：《中国森林病虫》2016年第3期45-46,共2页Forest Pest and Disease

摘　　要：不同浓度8000 IU/mg苏云金杆菌（Bt）悬浮剂防治杨小舟蛾Micromelalopha troglodyta幼虫,结果表明：飞机超低容量喷施1000倍液,喷药3 d后幼虫校正死亡率25.6%,12 d后达到最高,为95.9%;高压远程喷雾机地面喷施100,300,1000,1500,2000,3000倍液,12 d后幼虫校正死亡率达最高,分别为99.9%,99.7%,97.9%,94.9%,86.1%,76.1%;生产上防治宜采用1000～1500倍液,大面积发生时可采用飞机防治。Bacillus thuringiensis（Bt） 8000 IU/mg suspension agent at different concentration was applied against Micromelalopha troglodyta larva.The result showed in the treatment of ultra low volume aerial spray of Bt 1000 times against M.troglodyte,the correct mortality were 25.6%3 days after the treatment and reached the highest（95.9%） 12 days after the treatment;in the treatments of ground spray of Bt 100,300,1000,1500,2000 and 3000 times with high pressure long distant sprayer,the correct mortality were 99.9%,99.7%,97.9%,94.9%,86.1%and 76.1%respectively 12 days after the treatments.Bt 8000 IU/mg 1500 ～ 1000 times should be applied in production,and aerial spray was the better way for large areas control.

关 键 词：苏云金杆菌 防治 杨小舟蛾 飞机喷雾 

分 类 号：S763.42[农业科学—森林保护学]