stem rust
noun
1
: a rust attacking the stem of a plant
especially
: a destructive disease especially of wheat caused by a rust fungus (Puccinia graminis) which produces reddish-brown lesions in the uredospore stage and black lesions in the teliospore stage and has any of several plants of the barberry family as an intermediate host
2
: the fungus causing stem rust
Examples of stem rust in a Sentence
Recent Examples on the Web
Wheat stem rust infection, for instance, is a pathogen normally seen in tropical countries such as Ethiopia, but for years has been observed in high-latitude areas including the U.K. and Scandinavian countries.
—
Tristan Bove, Fortune, 4 May 2023
Researchers have already discovered two new genes that help wheat resist a strain of wheat stem rust, a blight that overruns wheat.
—Discover Magazine, 2 May 2018
Borlaug landed in the valley in the 1940s as an agricultural adviser for the Rockefeller Foundation while the farmers around him were beset by a fungus known as stem rust.
—Washington Post, 22 Dec. 2021
These examples are automatically compiled from online sources to
illustrate current usage. Opinions expressed in the examples do not represent those of
Merriam-Webster or its editors.
Send us feedback
about these examples.
Tristan Bove, Fortune, 4 May 2023
Researchers have already discovered two new genes that help wheat resist a strain of wheat stem rust, a blight that overruns wheat.
—Discover Magazine, 2 May 2018
Borlaug landed in the valley in the 1940s as an agricultural adviser for the Rockefeller Foundation while the farmers around him were beset by a fungus known as stem rust.
—Washington Post, 22 Dec. 2021
Dictionary Entries Near stem rust
Cite this Entry
“Stem rust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stem%20rust. Accessed 9 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share