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Noun: blister rust
  1. Any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally
    - white-pine rust, white pine blister rust
  2. Fungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host
    - Cronartium ribicola

Derived forms: blister rusts

Type of: rust, rust fungus

Part of: Cronartium, genus Cronartium

Encyclopedia: Blister rust