wheat rust

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noun Plant Pathology.

any of several diseases of wheat caused by rust fungi of the genus Puccinia.

Origin of wheat rust

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for wheat rust

wheat rust


noun

a rust fungus, Puccinia graminis, that attacks cereals, esp wheat, and the barberry
the disease caused by this fungus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012