摘要
室内毒力试验表明:吡虫啉的致死时间最短,最短2分钟,平均5分钟,灭杀毙的致死时间最长。林间注药试验表明:7月保绿宁、吡虫啉对萧氏松茎象幼虫的致死率分别为73%、71.2%,明显好于8月。
The optimal time of chemical control of Hylobitelus xiaoi larvae with tunnel injection was studied. The results showed that the control effect of baoluning and imidacloprid EC reached 73% and 71.2% respectively 5 days after the injection against the larvae in July, which were better than those in August obviously..
出处
《江西植保》
2008年第1期22-24,共3页
Jiangxi Plant Protection
基金
江西省科委攻关项目
关键词
萧氏松茎象
虫道注射
最佳时间
Hylobitelus xiaoi
tunnel injection
optimal time
