Scientists have isolated two genes that protect wheat plants from a disease that threatens the crop worldwide.
In two articles in the journal Science, researchers describe a pair of genes that confer resistance to a new, virulent form of a fungal disease called stem rust.
At its worst, stem rust can wipe out nearly an entire wheat field. After a 1953 outbreak destroyed 40 percent of the U.S. spring wheat harvest, scientists bred new varieties with resistance to the disease.
That solved …
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