leaf rust

noun

Definition of leaf rust 

: a rust disease of plants and especially of wheat that affects primarily the leaves

Examples of leaf rust in a Sentence

Recent Examples on the Web

The aim is to inform customers about the challenges these farmers face, including coffee leaf rust and climate change, and the company’s commitment to ethical and sustainably sourced coffee. Natasha Bach, Fortune, "Starbucks Is Doing Something Different for National Coffee Day," 29 Sep. 2017 The idea is to analyze farmers’ photographs of suspicious spots on crop leaves and deliver early warnings for diseases such as wheat leaf rust, said Richard Trethewey, who heads bioscience digitalization for BASF. Jacob Bunge, WSJ, "Agricultural Giants Teach Computers to Farm," 13 Sep. 2017

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

First Known Use of leaf rust

1859, in the meaning defined above

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The first known use of leaf rust was in 1859

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