The authors reported 39 kinds of diseases on chrysanthemum in China.The main diseases included brown spot, black spot, powdery mildew and bacteria with caused by Septoria chrysanthemi-indica.

• 摘要我国菊花主要病害有4大类共39种，其中危害严重的有11种，如褐斑病、黑斑病、白粉病、细菌性疫病、不孕病毒病、菊花矮化病等。