wheat rust

noun

Definition of wheat rust

: a destructive disease of wheat caused by rust fungi also : a fungus (such as Puccinia graminis) causing a wheat rust

Examples of wheat rust in a Sentence

Recent Examples on the Web In 1970, the fungus Bipolar maydis decimated the American Corn Belt before spreading worldwide; another fungal infection, wheat rust, has caused countless famines in the Americas and India. Kate Brown, The New Yorker, "The Pandemic Is Not a Natural Disaster," 13 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wheat rust.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of wheat rust

1870, in the meaning defined above

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The first known use of wheat rust was in 1870

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Cite this Entry

“Wheat rust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wheat%20rust. Accessed 27 Nov. 2020.

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