韭菜灰霉病又叫干尖病,防治韭菜灰霉病,应选用“大白根”、“黄苗”等抗病品种。在栽培管理上,应注意通风排湿,适当控制浇水。扣棚前先浇足底水,生长期不要大水漫灌,灌水后要适时通风,使棚内不结露珠。发病初期用50％的多菌灵500倍液和50％的托布津500倍液轮流喷洒,每次割韭后,盖土前喷一次。一般连喷2—3次即可 Leek botrytis, also known as dry tip disease, prevention and treatment of chives botrytis, should be used “white root”, “yellow seedlings” and other disease-resistant varieties. In the cultivation and management, should pay attention to ventilation and drainage, proper control of watering. Drip shed before pouring the foot of water, the growth period of flood irrigation, timely irrigation after ventilation, the shed does not dew beads. Early onset with 50% carbendazim 500 times and 50% Tuobujin 500 times spray, each cut leek, cover the soil before spraying. Spray 2-3 times in general