6月以来江苏大部出现了明显降水过程,较高的相对湿度和适宜的温度极其利于迁飞性害虫的迁入和发生发展。据全国农技中心预测,6~7月份,稻飞虱在长江中下游稻区中等发生,发生面积8800万亩次。江苏省盐城双宁农化供销处冯经理说,目前江苏省稻飞虱发生较轻,但吡蚜酮生产企业已在加 Since June, most of Jiangsu Province has experienced obvious precipitation process. The higher relative humidity and suitable temperature are extremely beneficial to the migration and development of migratory pests. According to the National Agricultural Technology Center forecast, from June to July, planthopper occurred moderately in the middle and lower reaches of the Yangtze River, with an area of ​​88 million mu. Jiangsu Province, Yan Ning Shuangning agricultural supply and marketing manager Feng said that the current planthopper occurred in Jiangsu Province lighter, but pymetrozine manufacturers have been added