Scientist pleaded guilty to smuggling Fusarium graminearum into US. But what is it?

A scientist has pleaded guilty to smuggling the plant pathogen Fusarium graminearum into the United States. This pathogen is known for its detrimental effects on crops, particularly wheat. In response to this threat, universities are developing an early warning system aimed at slowing the spread of Fusarium graminearum, which could help protect agricultural resources and ensure food security.