wheat rust

American  

noun

Plant Pathology.

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

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wheat rust British  

noun

1. a rust fungus, Puccinia graminis, that attacks cereals, esp wheat, and the barberry

2. the disease caused by this fungus

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Etymology

Origin of wheat rust

First recorded in 1880–85

Example Sentences

One of the most problematic diseases for farmers in Ethiopia has been wheat rust, caused by a fungus carried by the wind.

From BBC

Poland cites a litany of diseases to which the grass is resistant, with names like a lineup of underground rock bands: barley yellow dwarf, mosaic virus, wheat rust.

From The Guardian

In the 1950s, wheat rust spread through North America and destroyed up to 40% of the crop.

From BBC

Look, I got a new spray for the wheat rust.

From Nature

Often, the spaces are hermetically sealed to prevent common plant diseases, like wheat rust, from blowing through.

From Salon