抓紧防治三代稻飞虱、紧防四代大暴发受到热带高压影响，我省连续出现高温干旱天气，双季稻区收早插晚，中稻也已进入孕穗抽穗期，二代发生量大的白背飞虱因生存环境和食料条件的改变而大量北迁，仍有一部分将留在鄂北一季中稻区，我省三代稻飞虱的发生区域将北移，白背飞... Pay close attention to the prevention and control of three generations of planthoppers, and prevent the four generations of big outbreaks from being affected by tropical highs. The weather in our province is characterized by high temperature and dry weather, double cropping rice fields are planted early and late, mid-season rice has also entered the booting heading stage, Reproductive planthopper due to the changing living conditions and food conditions and a large number of North move north, there will still be part of the northern part of northern Hubei will stay in the region, three generations of rice planthoppers in our province will occur in the north, white back ...