Adair Tree Care Ltd. PO Box 63178 RPO Stadium Calgary, Alberta T2N 4S5 Phone: 403-686-6030 This fungal disease affects many Poplar and Aspen species. Both Tower Poplar and Swedish Columnar A

One of the most popular types of tree in Calgary is a prime target for a new fungus according to Russell Friesen of City Parks. Bronze leaf disease infects various poplar species and hybrids; spec

Plant name(s): Poplar/aspen, especially Tower poplar and Swedish Columnar aspen Symptoms / Characteristics: In midsummer, leaves turn reddish-brown, beginning at the leaf edges and moving inward.

Editor-in-Chief: R. Michael Davis Published by The American Phytopathological Society L. M. Kawchuk, Agriculture and Agri-Food Canada, Lethbridge, AB, T1J 4B1, Canada; R. J. Howard, Alberta Agri