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Definition of Apple rust
1. Noun. Rust fungus causing rust spots on apples and pears etc.
Exact synonyms: Cedar-apple Rust, Gymnosporangium Juniperi-virginianae
Generic synonyms: Rust, Rust Fungus
Group relationships: Genus Gymnosporangium, Gymnosporangium
Generic synonyms: Rust, Rust Fungus
Group relationships: Genus Gymnosporangium, Gymnosporangium