cedar-apple rust

noun

ce·​dar-ap·​ple rust ˈsē-dər-ˈa-pəl- How to pronounce cedar-apple rust (audio)
: 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

Examples of cedar-apple rust in a Sentence

Recent Examples on the Web The fungus that causes cedar-apple rust — so titled because some kinds of junipers are often erroneously called cedars — reproduces more readily in wet spring weather. Beth Botts, chicagotribune.com, 30 May 2018 Wheat rust needs barberry to survive, cedar-apple rust needs both juniper and an apple relative, and white pine blister rust needs a susceptible member of the currant family. The Editors Of Organic Life, Good Housekeeping, 21 July 2015 Other Rusts Wheat rust, cedar-apple rust, and white pine blister rust require alternate hosts. The Editors Of Organic Life, Good Housekeeping, 21 July 2015

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cedar-apple rust.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of cedar-apple rust was in 1946

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Cite this Entry

“Cedar-apple rust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cedar-apple%20rust. Accessed 27 Feb. 2024.

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