Preventing and controlling method for liquorice brown spot

The invention discloses a preventing and controlling method for liquorice brown spot, and belongs to the field of preventing and controlling of diseases and pests. The preventing and controlling method comprises the following steps of (1) preparation of raw materials; (2) preparation of preventing and controlling agents; (3) mixing with seeds and spraying. The preventing and controlling method hasthe advantages that the preventing and controlling rate for liquorice brown spot can reach 95.7% or above; the preventing and controlling rate for liquorice rust disease can reach 91% or above; the preventing and controlling rate for liquorice powdery mildew can reach 81% or above; the preventing and controlling rate for aphid can reach 87.1% or above. 本发明公开了一种甘草褐斑病的防治方法，属于病害防治领域。该方法包括以下步骤：(1)原料的准备；(2)防治剂的制备；(3)拌种喷洒。本发明中的防治方法，对甘草褐斑病的防治率可达可达95.7％以上，甘草锈病的防治率可达91％以上，甘草白粉病的防治率可达81％以上，蚜虫的防治率可达87.1％以上。