If stem rust disease is left unchecked, it could wipe out 80% of the world’s wheat crop.
Scientists in Kenya’s Rift Valley are taking part in a complicated and protracted global fight against Ug99, or wheat rust.
(Example of wheat rust. Photo by reporter Fred de Sam Lazaro.)

If stem rust disease is left unchecked, it could wipe out 80% of the world’s wheat crop.

Scientists in Kenya’s Rift Valley are taking part in a complicated and protracted global fight against Ug99, or wheat rust.

(Example of wheat rust. Photo by reporter Fred de Sam Lazaro.)