Although many Dutch elm disease-resistant elm cultivars are available in the nursery trade, much of the public is hesitant to purchase and plant any elm tree. In order to promote interest in planting these trees, scientific data on growth, form, and pest resistance for existing Dutch elm disease resistant elm cultivars are essential.
Iowa State University
Callahan, Chrystal; Batzer, Jean C.; and Gleason, Mark L., "National Elm Trial" (2012). Iowa State Research Farm Progress Reports. 40.