^ 稻飞虱是湖南省稻区普遍发生并带有毁灭性的 一种害虫,以往中稻常严重受害,但在近两年来由 于本省水稻改制,大面积发展双季稻,在早稻孕穗 至抽穗期,稻飞虱常猖獗发生,群集稻从下部为 害,使成片的稻株倒伏枯烂,有时造成全部失败。 稻飞虱由于繁殖迅速一旦在适宜的环境因子下,短 期间即能酿成巨大灾害,故对消灭稻飞虱主要关键 在于开展预测预报,正确掌握虫情,分析其稻飞虱 Rice planthopper is a pest commonly found in Hunan rice area with devastating effects. In the past, the middle rice often suffered serious damage. However, in the past two years, due to rice reform in the province, large-scale development of double- , Planthoppers often rampant, clustering of rice from the lower part of the harm, so that the film into a piece of lodging rotten, sometimes causing all failures. Because planthoppers quickly multiply rapidly under the appropriate environmental factors, which can cause huge disasters in a short period of time, so the main key to eliminating planthoppers lies in predicting and forecasting, correctly grasping the insect and analyzing its planthoppers