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Crop diseases

Cauliflower Diseases

Disease names frequently listed for Cauliflower varieties. Prefer resistant cultivars and cultural prevention where possible.

Diseases mentioned for this crop

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 Cauliflower

What diseases affect Cauliflower?

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.