noun Plant Pathology.
any of several fungal diseases of plants affecting the stems, especially a disease of wheat and other grasses characterized by pustules of red and then black spores.
any of the fungi causing such a disease.
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Question 1 of 10
What does “barren” mean?
Origin of stem rust
First recorded in 1915–20
Words nearby stem rust
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020