Crop diseases
Broccoli Diseases
Disease names frequently listed for Broccoli varieties. Prefer resistant cultivars and cultural prevention where possible.
Diseases mentioned for this crop
- Clubroot 69 mentions
- Black Rot 64 mentions
- Downy Mildew 54 mentions
- Powdery Mildew 17 mentions
- White Rust 12 mentions
- Fusarium Yellows 8 mentions
- Alternaria Leaf Spot 7 mentions
- Bacterial Soft Rot 7 mentions
- Black Leg 3 mentions
- Bacterial Leaf Spot 3 mentions
- Yellows 3 mentions
- Leaf Spot 2 mentions
- Fusarium Wilt 2 mentions
- Cauliflower Mosaic Virus 2 mentions
- Soft Rot 1 mentions
- Downy Mildew In Humid Conditions 1 mentions
- Rarely Affected By Diseases 1 mentions
- Bacterial Blight 1 mentions
- Rust 1 mentions
- Anthracnose 1 mentions
- White Mold 1 mentions
- White Spot 1 mentions
- Black Root 1 mentions
- Downy Mildew (Resistant 1 mentions
- Bottom Rot (Resistant 1 mentions
- Black Speck (Resistant 1 mentions
- Yellows (Fusarium Wilt 1 mentions
- Bacterial Spot 1 mentions
- Cercospora Leaf Spot (Minimal In Charbell Due To Breeding 1 mentions
- Powdery Mildew In Humid Conditions 1 mentions
- Grey Mold 1 mentions
Resistance notes from varieties
- Good resistance to splitting, moderate clubroot tolerance
- Moderate disease resistance, sensitive to temperature fluctuations
- Excellent cold tolerance, good disease resistance overall
- Good splitting resistance, moderate disease tolerance
- Good heat tolerance for broccoli, moderate disease resistance
- Good resistance to downy mildew and black rot
- Excellent resistance to downy mildew and black rot
- Good cold tolerance but limited disease resistance
FAQ: diseases of Broccoli
What diseases affect Broccoli?
Cultivar notes commonly mention Clubroot, Black Rot, Downy Mildew, Powdery Mildew, White Rust, Fusarium Yellows, Alternaria Leaf Spot, Bacterial Soft Rot, Black Leg, Bacterial Leaf Spot, Yellows, Leaf Spot. Choose resistant varieties where available and improve airflow / drainage to reduce risk.
Lists are aggregated from cultivar notes, not a lab diagnosis. Confirm with local extension before treating.