ZonePlant

Disease on crop

fungal

Berry Powdery Mildew on goji berry

Podosphaera and Sphaerotheca species

Surface-feeding fungal disease producing white powdery growth on leaves and fruit, particularly damaging on gooseberries.

Disease
Berry Powdery Mildew
Pathogen type
Fungal
Crop
Goji Berry
Scientific name
Podosphaera and Sphaerotheca species

Berry Powdery Mildew on goji berry

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Symptoms on goji berry

  • White powdery coating on leaves, shoots, and fruit
  • Distorted new growth
  • Brown-felted mature growth on gooseberry fruit (American mildew)

IPM controls

  • Plant resistant varieties (especially for gooseberry)
  • Sulfur or potassium bicarbonate sprays at first sign
  • Open pruning for airflow
  • Avoid excessive nitrogen
  • Milk spray (1:10 dilution) for organic control

Resistant varieties

Hinnonmaki Red Invicta Captivator

Other crops affected by berry powdery mildew

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