stem rust

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stem rust

n.
1. Any of various rust diseases affecting the stem of a plant, especially a cereal such as wheat.
2. The fungus causing such a disease.

stem′ rust`


n.
1. any of several fungal diseases of plant stems, esp. a disease of wheat and other grasses characterized by pustules of red, then black spores.
2. any fungus causing this.
[1915–20]
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References in periodicals archive ?
ARS scientists are deeply involved in the search for answers to new strains of cereal rust, such as Ug99, stripe rust, and Fusarium head blight, along with other emerging viruses and other pests.
ARS has several of the world's small pool of experts in cereal rust research," explains Kay Simmons, ARS national program leader for plant genetics and grain crops.
Such outdoor plantings are used to provide early warnings of cereal rust disease for both researchers and producers.
This protects these important grain crops from disease, say scientists at the ARS Cereal Rust Laboratory in St.