UpDate - Vol. Some will be replaced by Village Green zelkovas, which resemble elms but are more resistant to disease. A hallmark of the central campus, the elms are protected as much as possible by an ongoing program of preventive care, and it has been effective in preventing widespread infection, Bowman said.
Dead wood is removed, fungicide is injected and plant pathology tests are run.
Trees that have the disease must be removed to protect those that do not. There are approximately 90 elms left on University land in northern Delaware, Bowman said.