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Leaf Spot in Cauliflower

How to identify and treat leaf spot 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_recordCircular brown or black spots
  • fiber_manual_recordYellow halos around spots
  • fiber_manual_recordPremature defoliation
help

Common causes in Cauliflower

Multiple fungal and bacterial pathogens. Favoured by wet foliage and warm temperatures.

healing

How to treat leaf spot in Cauliflower

Remove affected leaves. Apply appropriate fungicide or bactericide.

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Preventing leaf spot in Cauliflower

Water at soil level. Improve air circulation. Practise crop rotation.