1.芹菜叶斑病此病造成芹菜叶、梗成斑块溃烂。在发病初期喷洒50%多菌灵,或75%百菌清500～700倍液能有效地防治。2.大蒜叶枯病主要危害叶和梗,多从叶尖开始发病,初为苍白色小圆点、扩大为灰褐色,椭圆形或不规则形,严重时,全叶枯死,每667m2用50%多菌灵100～150g加磷酸二氢钾100～ 1. Celery leaf spot disease caused by celery leaves, ulceration of plaques. Early in the incidence of spraying 50% carbendazim, or 75% chlorothalonil 500 ~ 700 times can effectively control. 2. Garlic leaf blight the main hazards of leaves and stems, and more from the leaf tip began to disease, the beginning of the pale dots, expanding to brown, oval or irregular shape, severe, full-blighted, with 50 per 667m2 % Carbendazim 100 ~ 150g plus potassium dihydrogen phosphate 100 ~