稻瘟病是水稻的主要病害,从稻田到大田都可发生。过去在秧苗三四叶期或移栽前喷施农药防治,由于秧田的秧苗生长郁密,加上秧苗中下部病害较多,不易收到预期的防治效果。为了有效地及早预防大田叶瘟的发生,近年来,我们借鉴四川等地的经验,利用药液浸秧 Rice blast is the main disease of rice, which can occur from paddy field to field. In the past in the three or four leaf stage or transplanting spraying pesticide control, seedling seedling growth and density, coupled with more seedlings in the lower part of the disease is not easy to receive the expected control effect. In order to effectively prevent the occurrence of leaf-blast in Daejeon effectively, in recent years, we draw on the experience of Sichuan and other places,