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wheat rust
noun
: 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
Japanese barberry was introduced in Boston in 1875 as a replacement for a European variety of barberry that harbored crop-damaging wheat rust.
—Leanne Potts, Better Homes & Gardens, 20 Oct. 2021
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, 13 Apr. 2020
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Word History
First Known Use
1870, in the meaning defined above
Dictionary Entries Near wheat rust
Cite this Entry
“Wheat rust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wheat%20rust. Accessed 23 Dec. 2024.
Kids Definition
wheat rust
noun
: a harmful disease of wheat caused by rust fungi
also
: a fungus causing a wheat rust
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