玉米黑粉病又称玉米瘤黑粉病,与玉米丝黑穗病是玉米上经常发生的两种重要病害,往往同时发生。但两者的症状、病原、发病规律有很大差异,因而防治措施不全相同。如果不能准确区分两种病 Corn powdery mildew, also known as maize smut, and maize smut are two important diseases that often occur on corn, often simultaneously. However, both the symptoms, pathogens, the incidence of a very different law, which prevent the same control measures. If you can not accurately distinguish between the two diseases