据全国农业技术推广服务中心发布的《2015年全国农作物重大病虫害发生趋势预报》,2015年我国农作物重大病虫害总体维持多发、重发和频发态势。稻飞虱在华南、西南南部、江南、长江中下游等南方大部稻区偏重至大发生,黔东湘西高原山地单双季稻区大发生概率高,西南北部和江淮稻 According to “2015 National Crop Epidemic Forecast for Pests and Diseases” issued by the National Agricultural Technology Extension Service Center, major pests and diseases in crops in our country maintained overall high incidence, recurrence and frequent occurrence in 2015. Planthoppers in southern China, southern and southern, southern, middle and lower reaches of the Yangtze River and other southern most of the rice area occurs from large to large, mountainous areas of eastern Guizhou Province single and double season rice high probability of occurrence, southwest and Jianghuai rice