What is this Powdery Mildew on my Tree?
What is this Powdery Mildew on my Tree? What is this Powdery Mildew on my Tree? Powdery Mildew is a common fungal disease that appears as a white or gray powdery substance on leaves, stems, and buds. Symptoms also include distorted or curled leaves, which can turn yellow or brown and drop prematurely. To treat it, remove infected parts and dispose of them properly (burning is safest), improve air circulation through pruning, and apply a fungicide like potassium bicarbonate spray or a horticultural oil like neem oil. […]

