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稻飞虱在万州地区主要是白背飞虱和褐飞虱,年发生5~6代。由于白背飞虱与褐飞虱发生为害具有迁飞性、暴发性、分布不均衡性、隐蔽性等特点,给测报和防治工作带来较大的难度。为此,笔者自1991年以来对稻飞虱发生监测与为害控制技术进行了研究。1发生监测技术白背飞虱
Planthoppers in Wanzhou area are mainly whitebacked planthopper and brown planthopper, occurred in 5 to 6 generations. As the whitebacked planthopper and brown planthopper damage occurred with migratory nature, outbreaks, uneven distribution, concealment and other characteristics, to the newspaper and prevention and control work more difficult. To this end, the author since 1991, planthopper occurrence monitoring and harm control technology were studied. 1 occurs monitoring technology whitebacked planthopper