Microsphaeria alnia var. vacinii
- Leaves may be reddish green, have red spots or red rings
- Powdery white fungal growth may be seen in spots, covering the upper surface of the leaf, or not at all
- Leaves may be cupped or distorted around infections
- Infected leaves fall off prematurely
- Often seen mid to late summer
- More information on Powdery Mildew...