![Johnsongrass, known scientifically as Sorghum halepense, grows happily in a field it invaded. The weed continues to cause millions of dollars in lost agricultural revenue each year.](https://secure.caes.uga.edu/news/multimedia/images/2142/Johnsongrass-54220231.jpg)
Combatting Johnsongrass
A team of researchers led by faculty at the University of Georgia have received a $5 million grant from the U.S. Department of Agriculture to find new ways of combating Johnsongrass, one of the most widespread and troublesome agricultural weeds in the world.