Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: apple rust  a-pul rúst
  1. Rust fungus causing rust spots on apples and pears etc
    - cedar-apple rust, Gymnosporangium juniperi-virginianae

Derived forms: apple rusts

Type of: rust, rust fungus

Part of: genus Gymnosporangium, Gymnosporangium

Encyclopedia: Apple rust