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2009年重庆市“两迁”害虫大发生,其中稻飞虱发生面积是1950年以来的第3个大发生年;稻纵卷叶螟发生面积是1950年以来的历史最高水平.该文总结了重庆市2009年“两迁”害虫发生特点,并分析了其发生原因.
In 2009, pest occurrence occurred in Chongqing Municipality, with the occurrence of planthoppers being the third largest annual occurrence since 1950. The occurrence area of rice leaf roller is the highest since 1950. The characteristics of pest occurrence in Chongqing in 2009 and “Two Movements” were summarized, and their causes were analyzed.