Billions at risk from wheat super-blight

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http://environment.newscientist.com/article/mg19425983.700.html?DCMP=NLC-nletter\

& nsref=mg19425983.700

 

Blight on the Landscape A formidable disease is on its way and almost nobody has

heard of it. Ug99 is a virulent strain of black stem rust fungus that attacks

wheat plants - a crop that feeds more people than any other food source on

Earth. Since the Green Revolution of the 1960s, farmers have been successfully

growing disease-resistant wheat varieties. But Ug99 has evolved. There are now

precious few wheat crops anywhere that are resistant to it. The blight has

already crossed from Africa into Asia and there are fears it will spread further

into regions where a billion people depend on wheat for their survival...MORE

 

 

 

 

 

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