Disease factsheets, articles and photo galleries:
- Crown girdling (LIHREC)
- Downy mildew (LIHREC)
- Powdery mildew (LIHREC)
- Septoria leaf spot (LIHREC)
- White mold (LIHREC)
- Diseases of winter greens: downy mildew, Cladosporium leaf spot, Botrytis crown rot, and root rot
- Disease-resistant lettuce varieties
Cornell Vegetable Program
NYSIPM Program