A Race to Save the Orange by Altering Its DNA
July 28, 2013 Leave a comment
July 27, 2013
A Race to Save the Orange by Altering Its DNA
By AMY HARMON
CLEWISTON, Fla. — The call Ricke Kress and every other citrus grower in Florida dreaded came while he was driving. “It’s here” was all his grove manager needed to say to force him over to the side of the road. The disease that sours oranges and leaves them half green, already ravaging citrus crops across the world, had reached the state’s storied groves. Mr. Kress, the president of Southern Gardens Citrus, in charge of two and a half million orange trees and a factory that squeezes juice for Tropicana and Florida’s Natural, sat in silence for several long moments. “O.K.,” he said finally on that fall day in 2005, “let’s make a plan.” In the years that followed, he and the 8,000 other Florida growers who supply most of the nation’s orange juice poured everything they had into fighting the disease they call citrus greening. To slow the spread of the bacterium that causes the scourge, they chopped down hundreds of thousands of infected trees and sprayed an expanding array of pesticides on the winged insect that carries it. But the contagion could not be contained. Read more of this post









