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勋章菊的主要常见病害是叶斑病。该病应以预防为主,可用25%多菌灵1 000倍液,叶面喷雾。若已经发病,用25%多菌灵800倍液叶面喷雾,每7d喷施1次,连续2~3次,可基本痊愈。灰霉病可用1∶1∶100波尔多液或70%甲基托布津1 000倍液喷施;红蜘蛛和蚜虫可分别用2.5%鱼藤精乳油1 000倍液和40%氧
Medal Chrysanthemum’s main common disease is leaf spot disease. The disease should be based on prevention, available 25% carbendazim 1000 times, foliar spray. If the disease has been with 25% carbendazim foliar spray 800 times, spraying once every 7d, 2 to 3 times in a row, can be basically cured. Botrytis cinerea can be used 1: 1: 100 Bordeaux mixture or 70% thiophanate-methyl 1000 times spray; spider mites and aphids can be respectively 2.5% dermatan EC 1000 and 40% oxygen