白术Atractylodes macrocephala Koidz.是中医“参、术、苓、甘”四大名药之一。1985年在河北省进行中草药病害调查中,在白术上发现一种发生普遍,危害严重,过去未见报道的病害——白术黑斑病。1985——1987年对该病的症状、病原、发生规律和防治进行了调查和研究,简报如下。(一)症状观察:据田间系统观察,白术黑斑病在苗期至成株期均可发生,叶片、茎枝、苞片等地上部位均可受害。叶片上多从叶尖或叶缘开始,形成黑褐色至黑色病斑,形状多不规则,界限清晰,常扩及 Atractylodes macrocephala Koidz. Is one of the four famous drugs of traditional Chinese medicine “Participation, Surgery, Ling and Gan”. In 1985, a survey of Chinese herbal medicine diseases in Hebei Province was carried out. A white spot disease was found in Atractylodes macrocephalus, which was common and serious in nature and had never been reported in the past. 1985 - 1987, the disease symptoms, pathogens, occurrence and prevention and control were investigated and studies, briefings are as follows. (A) Symptoms observed: According to field observations, Atractylodes macrocephalus can occur at seedling to adult stage, leaves, stems, bracts and other parts of the ground can be harmed. More leaves from the leaf tip or leaf margin began to form dark brown to black lesions, irregular shape, clear boundaries, often spread