If you needed me a week ago, I was at the Plant Clinic buried under a large sample load of evergreens. Most of the samples were taken from Spruce trees. The Plant Clinic received many calls about Spru READ MORE http://hyg.ipm.illinois.edu/article.php...
SPRUCE TREE DISEASE-RHIZOSPHAERA NEEDLECAST VS. CYTOSPORA CANKER
There are two commonly occurring diseases on spruce trees in ND, Rhizosphaera needlecast and Cytospora canker. Both are named after READ MORE http://www.ext.nodak.edu/county/rolette/sprucetrees.html