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This spud’s for you: A breeding revolution could unleash the potential of potato

By Erik StokstadFeb. 7, 2019 , 2:00 PM
THE SACRED VALLEY OF THE INCAS IN PERU—On a bleak, brown hill here, David Ellis examines a test plot of potato plants and shakes his head. "They're dead, dead, dead," he says. Pests and lack of rain have laid waste to all 17 varieties that researchers had planted.