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Powdery Mildew in Cranberry

How to identify and treat powdery mildew in Cranberry.

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Cranberry care requirements

water
Requires consistently wet to soggy soil; standing water or bog conditions are ideal; 1–2 inches weekly minimum; water year-round
soil
Very acidic, peaty soil (pH 4.0–5.5); must be well-draining yet moisture-retentive; sand and peat mixture works well
light
Full sun (6–8 hours daily); adequate light ensures better fruiting and berry development
symptoms

Symptoms to look for in Cranberry

  • fiber_manual_recordWhite powdery patches on leaves
  • fiber_manual_recordDistorted new growth
  • fiber_manual_recordPremature leaf drop
help

Common causes in Cranberry

Caused by various fungal species. Spreads in warm, dry conditions with high humidity nights.

healing

How to treat powdery mildew in Cranberry

Remove affected leaves. Apply neem oil, potassium bicarbonate, or sulphur-based fungicide. Improve air circulation.

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Preventing powdery mildew in Cranberry

Space plants for good airflow. Avoid overhead watering. Choose resistant varieties.