在我省红萍越夏主要有高温与虫害两大威胁,这是影响红萍能否用于晚稻的关键。去年我们在应用萍母田越夏,提供晚稻萍种的试验过程中,采取湿润灌溉、日排液灌及洒水(或喷水)降温,积极防治病虫害等办法,在大暑至立秋期间萍母田最高水温平均43℃,甚至频繁出现44— In our province, Hongping summer mainly has two major threats of high temperature and pests, which is the key to influence whether or not Hongping can be used for late rice. Last year, we applied Pingtongtianxiaoxia to provide late rice Pingzheng in the process of testing, to take wet irrigation, irrigation and irrigation on the day drainage and sprinkler (or water) to cool, and actively prevent pests and diseases and other methods, The highest average water temperature 43 ℃, and even frequent 44-