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leaf rust

 - 1 dictionary result

leaf rust

–noun Plant Pathology.
a disease, esp. of cereals and other grasses, characterized by rust-colored pustules of spores on the affected leaf blades and sheaths and caused by any of several rust fungi.

Origin:
1860–65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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