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Sphaerotheca castagnei : ウィキペディア英語版 | Sphaerotheca castagnei
''Sphaerotheca castagnei'' is a species of ascomycete fungus in the family Erysiphaceae. A plant pathogen, it causes a form of powdery mildew. ==Description== The mycelium is abundant and persistent or sometimes inconspicuous, and occurs on either side or both sides of the infected leaves. The perithecia are abundant, scattered or somewhat aggregated, small, usually about 75 µm long, but varying from 60–100 µm. The texture is soft, surface uneven, reticulations very large and irregular, 20–30 µm. The appendages are long, stout, usually colored throughout; but sometimes colorless, flexuous, somewhat uneven in width, and more or less interwoven with the mycelium. The ascus is rather small, elliptical or suborbicular in shape.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Sphaerotheca castagnei」の詳細全文を読む
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