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Downy Mildew in Tatsoi

How to identify and treat downy mildew in Tatsoi.

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Tatsoi care requirements

water
Keep soil consistently moist; water 1–2 times per week; maintain even moisture without waterlogging
soil
Rich, well-draining soil with good organic matter; pH 6.0–7.5
light
Full sun to partial shade; 6 hours of sun is optimal; can tolerate partial shade in warm weather
symptoms

Symptoms to look for in Tatsoi

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

Common causes in Tatsoi

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

healing

How to treat downy mildew in Tatsoi

Remove affected material. Apply copper fungicide or phosphonate.

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Preventing downy mildew in Tatsoi

Avoid overcrowding. Water in morning. Choose resistant varieties.

Downy Mildew in Tatsoi — Symptoms & Treatment | GreenScout