This American elm tree in Valley City was injected by Jay Cory, a licensed tree injector based out of Breckenridge, Minn. Injections done yearly help protect trees from disease.
Trees provide beauty and shade to yards, city forester David Dunham said, but they often succumb to disease and must be chopped down. Fortunately, tree disease can be prevented by acting early.
Dunham said tree diseases for all species can be prevented at the start by avoiding planting the same trees right next to each other.
"The key is diversification," he said, explaining that planting a variety of tree species in an area prevents disease from spreading so easily.
But it's not too late for trees already planted. Another way to prevent disease is by injecting a mixture of chemicals that protects trees and shrubs from disease attacks.
Read more in Tuesday's Times-Record.