Fungal Cankers of Trees -- Sustainable Urban Landscapes Resourcehttp://store.extension.iastate.edu/Product/Fungal-Cankers-of-Trees-Sustainable-U…Cultural management techniques can help reduce the risk of canker diseases.
Dutch Elm Disease and Disease-Resistant Elms -- Sustainable Urban Landscapes Resourcehttp://store.extension.iastate.edu/Product/Dutch-Elm-Disease-and-Disease-Resista…Find out about disease-resistant elms to combat Dutch Elm Disease.