摘要
稻水象甲是国际检疫对象,已经是我国北方水稻产区最重要害虫之一,并且呈迅速蔓延之势。此虫主要借助交通工具作远距离传播。成虫危害叶片,幼虫危害根系。一年繁殖一代但有两个危害高峰。新农药田间药效试验如果针对防治成虫、幼虫或者兼治,应在相应的时间、采取不同的方法进行。
Lissorhoptrus oryzophilus Kuschel is an international quarantine object,which has been the most important destructive insect on Oryza sativa L.in Northern China and extend rapidly.It propagated mainly by traffic tools to the distance.The imago destructs leaves and larva destructs roots.It reproduces one time in a year but destructs two times.If the aims of pesticide experiment are to control the imago and larva together or one of them,different actions at each time should be taken.
出处
《农药科学与管理》
CAS
2003年第7期15-17,共3页
Pesticide Science and Administration