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Downy Mildew in Red Cabbage

How to identify and treat downy mildew in Red Cabbage.

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Red Cabbage care requirements

water
Maintain consistent soil moisture with 1–1.5 inches water weekly; reduce frequency as head develops
soil
Rich, well-draining loam with pH 6.0–7.5; acidic soil (below pH 6.5) enhances red pigmentation; amend with compost before planting
light
Full sun (6–8 hours daily); adequate light enhances color intensity
symptoms

Symptoms to look for in Red Cabbage

  • fiber_manual_recordYellow patches on upper leaf surface
  • fiber_manual_recordGrey-purple fuzzy growth on undersides
  • fiber_manual_recordWilting
help

Common causes in Red Cabbage

Caused by Peronospora and Pseudoperonospora species. Spreads in cool, humid conditions.

healing

How to treat downy mildew in Red Cabbage

Remove affected material. Apply copper fungicide or phosphonate.

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Preventing downy mildew in Red Cabbage

Avoid overcrowding. Water in morning. Choose resistant varieties.