Posted by Carpenter Costin on Tue, Aug 02, 2011 @ 10:36 AM Have your spruce trees seen better days? It may be because they are now infested with the fungus diesease cytospora canker. The first si

Stephen Nameth C. Wayne Ellett Jim Chatfield The most important disease of spruce in landscape plantings in Ohio is Cytospora canker. This disease is caused by a fungus and is frequently found o

Cytospora spp., Sphaeropsi sapineas, Siroccus conigenus are the only cankers found on spruce at this time. Of the three, Cytospora spp. is the one that does the vast majority of the killing It is the

This article was published originally on 4/18/2003 Byline: by Paula Flynn, Department of Plant Pathology The most common canker disease observed in the Iowa State University Plant Disease Clinic i

Aging spruce trees are vulnerable to this disease By: Sandy Feather ©2008 Penn State Cooperative Extension Q. Our children planted a Colorado blue spruce for us 30 years ago when they were