Downy Mildew

Intro & Fun Fact:
Fungal-like disease that creates yellow patches and fuzzy growth underneath leaves.
Fun fact: It prefers cool, moist conditions unlike powdery mildew.

Why it appears:

• Wet leaves and humid air
• Crowded plants
• Cool temperatures
• Recycled infected soil
• Lack of crop rotation

Prevention tips:

• Water early in the day
• Space plants out
• Remove infected leaves
• Use resistant varieties
• Apply organic fungicides