Michigan State University tree fruit pathologist George Sundin discusses fire blight during the Great Lakes Fruit, Vegetable and Farm Market EXPO in December. Here, he shows a microscopic view of shoot blight ooze infecting a tree’s parenchyma, the soft tissue that performs multiple functions including storing and transporting nutrients. (Matt Milkovich/Good Fruit Grower) New research to headline Feb. 24 Fire Blight Fruit School Fire blight, the disease caused by the bacterium Erwinia amylovora, can spread quickly from tree to tree. Once an outbreak starts, it’s hard to stop. New growth is highly susceptible to infection, and unprotected blocks can lose […]