Sphaerotheca

…The outer surface of the ascus has branches called accessory filaments, and they are classified according to their shape and the nature of the ascus. Representative genera include Erysiphe , Phyllactinia , Sphaerotheca , and Uncinula , and because they are obligately parasitic, they have not been successfully cultivated artificially. [Tsubaki Keisuke]. …

*Some of the terminology that mentions "Sphaerotheca" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…子囊殻の外面には付属糸という枝ができ，その形や子囊の性質で分類される。代表的な属はErysiphe,Phyllactinia,Sphaerotheca,Uncinulaなどで，絶対寄生性であるため人工培養には成功していない。【椿 啓介】。…

※「Sphaerotheca」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