彰武地区杨干象防治试验  

Control of Cryptorhynchus lapathi in Zhangwu Area

作　　者：宋华军 

机构地区：[1]国有彰武县柳河林场,辽宁阜新123000

出　　处：《防护林科技》2017年第12期47-48,共2页Protection Forest Science and Technology

摘　　要：通过选取4种杀虫剂在彰武地区进行杨干象防治试验,结果表明:致死率最高、经济性好的杀虫剂为40%氧化乐果;最佳防治时间在4月20日,最佳防治方法为药油灌孔封膜。Four kinds of insecticides were selected to control Cryptorhynchus lapathi in Zhangwu Area.Result shows that the pesticide with the highest lethality and high economic efficiency was screened out as 40% omethoate.On the basis of survey on life history of Cryptorhynchus lapathi,comparative tests of different control methods were carried out respectively in 3 time periods,and the optimal control time is found on April 20,and the optimal method is oil-filled irrigation film-sealing.

关 键 词：杨干象 幼虫 防治 

分 类 号：S763.49[农业科学—森林保护学]