据全国农业技术推广服务中心日前组织各省(区、市)测报技术人员和有关专家会商,结合水稻病虫基数、栽培制度、水稻品种、冬春季气候条件等因素综合分析,预计2017年水稻病虫害将呈偏重发生态势,发生面积13.9亿亩次。其中,虫害发生面积9.5亿亩次,病害发生面积4.4亿亩次。发生特点:一是“两迁”害虫局部重发;二是水稻螟虫回升态势明显;三是稻瘟病、细菌性病害流行风险大。 According to the National Agricultural Technology Extension Service Center recently organized by provinces (autonomous regions and municipalities), reporting technicians and experts to consult, combined with rice pests and diseases base, cultivation system, rice varieties, climatic conditions in winter and spring comprehensive analysis of factors such as 2017 is expected to rice pests and diseases There will be a tendency to occur with an area of ​​1.39 billion mu. Among them, the pest occurrence area of ​​950 million mu times, the disease occurred area of ​​440 million mu times. Occurred characteristics: First, “two move ” pest partial reoccurrence; Second, rice borers pick-up trend is clear; Third, blast, bacterial disease epidemic risk.