orange leaf rust


: a rust of wheat and other grasses caused by a fungus (Puccinia triticina), characterized by orange-colored pustules on the leaves, resulting in decreased yield and quality of grain, and involving as alternate host of the parasite a meadow rue or related plant

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Dictionary Entries Near orange leaf rust

Cite this Entry

“Orange leaf rust.” Dictionary, Merriam-Webster, Accessed 23 Feb. 2024.

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