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Clubroot in Cauliflower

How to identify and treat clubroot in Cauliflower.

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Cauliflower care requirements

water
Keep soil consistently moist, providing 1.5–2 inches per week; avoid waterlogging which causes rot
soil
Rich, well-draining loam with pH 6.0–7.5; incorporate compost and aged manure before planting
light
Full sun, minimum 6–8 hours daily for optimal head development
symptoms

Symptoms to look for in Cauliflower

  • fiber_manual_recordSwollen, distorted roots
  • fiber_manual_recordWilting in warm weather
  • fiber_manual_recordStunted, yellowing plants
help

Common causes in Cauliflower

Caused by Plasmodiophora brassicae. Persists in soil for 20+ years. Favoured by acidic, wet soils.

healing

How to treat clubroot in Cauliflower

No chemical cure. Remove all affected plants and roots. Lime soil to raise pH above 7.2.

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Preventing clubroot in Cauliflower

Crop rotation (7+ years). Liming soil. Resistant varieties. Good drainage.