![Bacterial leaf scorch, caused by the bacterium Xyella fastidiosa, causes what looks like burns on the blueberry leaves.](https://secure.caes.uga.edu/news/multimedia/images/425/Bacterial-leaf-scorchlrz.jpg)
Blueberry disease
Blueberries passed peaches as the state’s top moneymaking fruit a few years ago, worth more than $100 million on the farm annually. But new diseases threaten to hamper its rise, says a University of Georgia fruit specialist.