562015-03-24 , 法政大学大学院理工学・工学研究科
At the Jindai Botanical Park, Tokyo in Japan, 2 studies are known, Diseases of Ornamental Woody Plants Observed at Jindai Botanical Park, Tokyo published in 1983 by Horie et al. is studied for ten years from 1973 to 1982 and Powdery Mildew Fungi in Jindai Botanical Park, Tokyo published in 1985 by Tanda et al. is studied for two years from 1983 to 1984. Among them, powdery mildews are recorded on 85 species of the host plants. Powdery mildew was one of the most important disease and it is known powdery mildew fungi which coused diseases are undergo changes. In the survey, it has emerged on several plants such as Celtis sinensis. In addition, we founded several diseases caused by Powdery mildew fungi on new host plants at the Jindai Botanical Park, Tokyo in Japan.