Canadian Forest Service Publications

Scanning electronmicrographs of cerato-ulmin (UCU) and Ceratocystis ulmi induces vascular symptoms in elm. 1982. Hiratsuka, Y.; Takai, S. Pages 195-202 in Proceedings of the Dutch Elm Disease Symposium and Workshop, October 5-9, 1981, Winnipeg, Manitoba. Canadian Forestry Service, Forest Pest Management Institute, Sault Ste. Marie, Ontario, Manitoba Department of Natural Resources, Winnipeg, Manitoba.