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Downy Mildew in Collard Greens

How to identify and treat downy mildew in Collard Greens.

potted_plant

Collard Greens care requirements

water
Keep soil consistently moist but not waterlogged; provide 1–1.5 inches per week via rain or irrigation.
soil
Well-draining, fertile loam with pH 6.0–7.5; amend with compost or aged manure before planting.
light
Full sun (6–8 hours daily); tolerates partial shade in hot climates.
symptoms

Symptoms to look for in Collard Greens

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

Common causes in Collard Greens

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

healing

How to treat downy mildew in Collard Greens

Remove affected material. Apply copper fungicide or phosphonate.

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Preventing downy mildew in Collard Greens

Avoid overcrowding. Water in morning. Choose resistant varieties.