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Wheat stem rust ug 99
Puccinia graminis tritici UG 99

Wheat stem rust ug 99 (Puccinia graminis tritici UG 99) is a fungal pathogen. It is a native of Uganda.

The stem, black or cereal rusts are caused by the fungus Puccinia graminis and are a significant disease affecting cereal crops. An epidemic of stem rust on wheat caused by race Ug99 is currently spreading across Africa, Asia and most recently into Middle East and is causing major concern due to the large numbers of people dependent on wheat for sustenance.

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