First Report of Powdery Mildew on Potato Caused by <i>Leveillula taurica</i> in North America

Fig. 3. Leveillula taurica conidiophore with single, cylindrical conidium viewed with stereomicroscopy.



Image from Plant Health Progress article:
First Report of Powdery Mildew on Potato Caused by Leveillula taurica in North America