A review of five common diseases affecting pine and spruce trees in the upper Midwest. We will go over signs and symptoms, treatment options, and strategies to avoid damage.
James has been a USDA Forest Service plant pathologist since 2012. James holds degrees from the University of Minnesota (Forestry and Plant Pathology) as well as a PhD from Purdue University where he studied butternut canker disease. He has worked in the forests of the Southwest and the Midwest.