近日,重庆、浙江、湖南、湖北、广西、江西等省(自治区、直辖市)植保部门发布今年水稻螟虫发生趋势预测信息,其中重庆、浙江等省份水稻一代二化螟偏重发生;湖北大部分稻区水稻一代二化螟将大发生;湖南水稻一代二化螟冬后基数偏高,江西水稻一代二化螟灯下蛾量是去年同期的3.9倍,防治压力大;广西一代三化螟发生总体上与上年持平,发生程度为轻,局部中等。重庆市据重庆市种子管理站的 Recently, the plant protection departments of Chongqing, Zhejiang, Hunan, Hubei, Guangxi and Jiangxi released the forecast information on the occurrence of rice stem borers this year. Among them, the rice borers of Chongqing and Zhejiang provinces were heavily prevalent. Most of the rice in Hubei Rice borer will occur one after another; Hunan one generation of rice stem borer after the high base, the amount of rice stem borer moth population in Jiangxi is 3.9 times the same period last year, prevention and control pressure; the occurrence of a generation of rice borer in Guangxi as a whole Compared with the previous year, the level of occurrence was light and local was moderate. Chongqing City, according to Chongqing Seed Management Station