论文部分内容阅读
美国白蛾是世界危险性检疫害虫,1979年在我国辽宁丹东地区首次发现至今,已在山东、陕西、河北等省份和部分地区发生并造成危害。美国白蛾寄主范围广,可在我国广大平原地区适生,其各虫态均可以借助交通工具进行人为传播。适生的广泛性,传播方式的多样性以及危害的严重性,决定了对美国白蛾的防治必须是综合防治。1.检疫防疫随着商品经济的发展,地区间物资流通量不
The American white moth is the world’s dangerous quarantine pest, which was first discovered in Dandong, Liaoning Province in 1979 up to now and has been harmed in the provinces and parts of Shandong, Shaanxi and Hebei. The host of American white moths has a wide range of host and can be adapted to living conditions in the vast plains of our country. All insect states can be artificially transmitted by means of vehicles. The wide range of suitable habitats, the diversity of modes of transmission and the seriousness of the damage have determined that the control of the American white moth must be a comprehensive prevention and control. 1. Quarantine and quarantine With the development of commodity economy, inter-regional material circulation is not