几乎一年一度的水稻两迁虫害的大面积防治又将开始。我国面临着吡虫啉等新烟碱类杀虫剂对稻飞虱等抗性逐年加重,有的甚至不得不退出货架停止使用的严重局面。同时,在害虫的防治上,特别是两迁害虫,即使是杀虫剂的使用也存在着有待大家观察、分析 Almost once a year, the two large-scale prevention and control of rice pests and diseases will start again. My country is facing imidacloprid and other neonicotinoid insecticides to planthoppers and other resistance increased year by year, and some even had to withdraw from the shelf to stop the serious situation. At the same time, pest control, especially the two pests, even the use of pesticides there is still waiting for everyone to observe and analyze