米螨防治马尾松毛虫的药效分析

米螨防治马尾松毛虫的药效分析梁成杰赵玲（中国林业科学研究院森林保护研究所北京１０００９１）罗基同黄金义（广西壮族自治区森林病虫害防治站南宁５３００２２）关键词马尾松毛虫，米螨，防治，药效分析２４％米螨（Ｔｅｂｕｆｅｎｏｚｉｄｅ）胶悬剂杀虫药剂是美国...

TOXICITY ANALYSIS OF TEBUFENOZIDE IN CONTROLLING DENDROLIMUS PUNCTATUS

The toxicity analysis of tebufenozide against Dendrolimus punctatus was studied.The results showed that in laboratory tebufenozide(24%) could kill the 3rd instar pine caterpillar with the average mortality of 100 00%,94 20%,99 20%,78 30%,85 50% and 79 10% respectively when it was diluted with water to 120, 70, 35,14,7 and 3 5 mL/kL.In the forest of Pingle County,Guangxi Zhuang Autonomous Region,the average mortality were 93 47%,91 55%,85 52% and 70 32% respectively when tebufenozide was diluted with water to 120, 80,60 and 40 mL/kL.In Pingle County, Guangxi Zhuang Autonomous Region,at the same concentration of tebufenozide as mentioned above,the average mortality were 95 79%,92 91%,76 93% and 74 94% respectively.Data analysis checked by LSR test showed that the differences were quite significant between treatment and control.