Disease factsheets, articles and photo galleries:
- Alternaria leaf spot of brassicas
- Alternaria leaf spot on cabbage (LIHREC)
- Bacterial leaf spot on cauliflower (LIHREC)
- Black leg on kale (LIHREC)
- Black rot on Brussels sprouts (LIHREC)
- Black rot on cabbage (LIHREC)
- Black rot on ornamental kale and ornamental cabbage (LIHREC)
- Cabbage chimera (genetic disorder) (LIHREC)
- Clubroot of crucifers
- Clubroot on cabbage and bok choi (LIHREC)
- Diseases of winter greens: downy mildew, Cladosporium leaf spot, Botrytis crown rot and root rot
- Downy mildew on cabbage (LIHREC)
- Downy mildew on seedlings (LIHREC)
- Fusarium yellows of cabbage & related crops
- Head rot (soft rot) of broccoli (LIHREC)
- Heat stress damage to broccoli heads (LIHREC)
- Powdery mildew (LIHREC)
- Virus diseases of crucifers
- Disease-resistant broccoli varieties
- Disease-resistant Brussels sprouts varieties
- Disease-resistant cabbage varieties
Cornell Vegetable Program:
NYSIPM Program
Disease factsheets
Disease photos and information – Long Island Horticultural Research and Extension Center
- Alternaria leaf spot on brussels sprouts
- Alternaria leaf spot on kale
- Bacterial leaf spot on cauliflower
- Black rot on cabbage
- Black rot on ornamental kale
- Clubroot on Bok choi
- Downy mildew on cabbage
- Downy mildew on cruciferous seedlings
Eastern Broccoli Project