菌核病是子囊菌亚门核盘菌属的一种真菌性病害，近年来在蔬菜上发生危害逐年加重。它危害莴苣、芹菜、茄子、大椒、黄瓜、韭菜、菠菜、甘蓝、白菜等多种蔬菜，尤其是保护地栽培的上述品种，病害更为严重。１９９５年～１９９６年我们在七里甸镇曙光农科队调查，病害最严重的棚 Sclerotinia is a fungal disease of the genus Ascomycotina in the genus Ascomycetes. In recent years, the harm on vegetables has increased year by year. It endangers lettuce, celery, eggplant, pepper, cucumber, leek, spinach, cabbage, cabbage and other vegetables, especially the cultivated varieties of protected areas, the disease is more serious. From 1995 to 1996, we investigated the Shuguang agricultural team in Qidian Town, the most serious shed