近些年来,晚稻后期褐飞虱的防治可谓防不胜防,如果抓不好几个技术要点,不管打多少次农药,还是控制不住,这中间主要还是几个问题没有抓住,值得引起重视。 In recent years, the latter part of late rice prevention and control of BPH can be described as impossible to guard against. If we fail to grasp several technical points, no matter how many pesticides we play or we can not control it, we should pay more attention to these problems.