ZonePlant

Disease on crop

fungal

Cedar Apple Rust on apple

Gymnosporangium juniperi-virginianae

Two-host fungal disease alternating between apple and eastern red cedar. Severe pressure in regions with abundant cedar.

Disease
Cedar Apple Rust
Pathogen type
Fungal
Crop
Apple
Scientific name
Gymnosporangium juniperi-virginianae

Cedar Apple Rust on apple

Detailed guidance for this section is being prepared. Check back soon.

Symptoms on apple

  • Yellow-orange spots on apple leaves
  • Defoliation in severe cases
  • Galls on cedar in spring producing orange gelatinous horns

IPM controls

  • Plant resistant varieties (Liberty, Enterprise, Williams Pride)
  • Remove cedars within 1000 ft if possible
  • Fungicide sprays from pink through second cover
  • Improve air circulation

Resistant varieties

Liberty Enterprise Williams Pride Freedom

Other crops affected by cedar apple rust

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