Dictionary

cedar–apple rust

noun ce·dar–ap·ple rust \ˈsē-dər-ˈa-pəl-\

Definition of CEDAR-APPLE RUST

:  a gall-producing disease especially of the apple caused by a rust fungus (Gymnosporangium juniperi-virginianae) that completes the first part of its life cycle on the common red cedar (Juniperus virginiana) and the second on the leaves and fruit of the apple
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First Known Use of CEDAR-APPLE RUST

1946

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