２０世纪９０年代中期，江苏省高邮市开始推广水稻肥床旱育稀植技术，２００１年面积达到７０万亩，占水稻种植面积的９６％，已取代了传统的栽培模式。与此同时，水稻秧田病害种类发生了明显变化，为害程度日趋加重。从１９９８年开始，我站通过调查、试验，初步掌握了水稻秧 In the mid-1990s, Gaoyou, Jiangsu Province, started to promote the technology of dry land cultivation and cultivation of paddy rice, covering an area of ​​700,000 mu in 2001, accounting for 96% of the rice acreage. It has replaced the traditional cultivation mode. At the same time, the varieties of rice seedling disease have undergone significant changes, increasing the degree of damage. From 1998 onwards, I station through the investigation, test, initially mastered the rice seedlings