First Report of Powdery Mildew of <i>Akebia quinata</i> Caused by <i>Microsphaera akebiae</i> (<i>Erysiphe akebiae</i>) in North America

Fig. 4. Conidium of Microsphaera akebiae showing cell wall striations (photographed with bright-field microscopy).



Image from Plant Health Progress article:
First Report of Powdery Mildew of Akebia quinata Caused by Microsphaera akebiae (Erysiphe akebiae) in North America