ZonePlant

Disease on crop

fungal

White Pine Blister Rust on white currant

Cronartium ribicola

Two-host rust requiring both Ribes (currants and gooseberries) and white pines. Historically led to Ribes-planting bans in much of the US; some states still restrict black currant cultivation.

Disease
White Pine Blister Rust
Pathogen type
Fungal
Crop
White Currant
Scientific name
Cronartium ribicola

White Pine Blister Rust on white currant

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

Symptoms on white currant

  • Yellow-orange spots on upper leaf surface
  • Orange spore pustules on leaf undersides
  • Premature defoliation

IPM controls

  • Plant immune cultivars (Consort, Crandall, Titania for black currant)
  • Check state regulations before planting Ribes (some states prohibit)
  • Maintain distance from white pines (Pinus strobus)
  • Sanitation of fallen leaves

Resistant varieties

Consort Crandall Titania

Other crops affected by white pine blister rust

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