Powdery Mildew (PM)

Powdery mildew is a fungal disease that affects many plant species and can be caused by many fungal species. Infected plants display white, powdery spots on leaves and stems. The spots will grow and become denser as the disease progresses. Hot and humid conditions are ideal for the growth of powdery mildew. Powdery mildew can be controlled with careful environment and pest management.