Powdery mildew - Powdery mildew

…It occurs on many crops and trees, including barley, wheat, cucumber, strawberry, rose, Euonymus japonicus, and oak, as well as on weeds such as plantain and Lactuca sativa. The powdery mildew fungi (also called powdery mold) that invade each plant are different species, and as a single fungus, it has a narrow range of infection. When powdery mildew is at its peak, it spreads through the air by conidia, and overwintering and summering are achieved by mycelium and ascocysts. …

*Some of the terminology that refers to powdery mildew is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…オオムギ，コムギ，キュウリ，イチゴ，バラ，マサキ，カシなど多くの作物･樹木のほか，オオバコ，アキノノゲシなど雑草にも発生が見られる。それぞれの植物を侵すうどんこ病菌(ウドンコカビともいう)は別種であって，1種類の菌としては寄生範囲は狭い。うどんこ病が盛んにまんえんする時期には分生子によって空気伝染し，越冬･越夏には菌糸や子囊殻が働く。…

※「ウドンコカビ」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報