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菊花在栽培过程中,尤其要注意防治病虫害。观察本地区病虫害发生规律,可掌握最佳防治时期。唐山地区常见的菊花病害有褐斑病、白粉病等,虫害有菊虎、蚜虫、飞虱、红蜘蛛等。病害褐斑病发病初期茎基部叶片上出现黄色斑点,后逐渐扩大为褐色斑块,病叶干枯、脱落。可借助雨、水传播。唐山地区6月开始发病,7、8月高温多雨季节发病率最高。防治方法:菊花栽培基地要求通风
Chrysanthemum in the cultivation process, with particular attention to pest control. Observe the law of occurrence of pests and diseases in this area and master the best prevention and treatment period. Tangshan common chrysanthemum disease brown spots, powdery mildew, insect pests Juhu, aphids, planthoppers, spider mites and so on. The incidence of disease brown spot early stem base leaves appear yellow spots, and then gradually expanded to brown patches, sick leaves dry and fall off. Can be spread by rain, water. Tangshan disease onset in June, July and August, the highest incidence of rainy season. Prevention and treatment methods: Chrysanthemum cultivation base requires ventilation