On those higher branches, you also may find sunken, oozing cankers that are dripping ... I have also seen what appears to by cytospora canker on blue spruce planted in challenging sites like ...

Jillian Patrie | University of Minnesota Yard and Garden Extension ...

including cytospora canker of spruce trees. Cytospora canker is a fungus that primarily attacks blue and Norway spruce, although Siberian and white spruce may be attacked as well.Cytospora is a ...

I live in the country and have a large blue spruce tree ... may find sunken, oozing cankers that are dripping the resin. The spores of the fungus that causes cytospora canker are readily ...

They’re planted on a hill in clay soil. Cytospora canker disease is extremely common on blue spruce. This fungus targets blue spruce stressed by drought or poor site conditions. Spores invade ...

Cytospora creates a telltale pinkish or orange lesion on the bark of the trunk or the branches. This canker is particularly visible when the bark is wet. (The symptoms are different on spruce.) ...

Cytospora canker is also known as perennial canker. The oozing sap from fungus, bacteria, physical damage (lawn mowers, weed eaters, hail, etc.) or environmental stress will be amber and opaque.

Purdue Landscape Report: We receive a large number of spruce samples each year at the Purdue Plant and Pest Diagnostic Laboratory (PPDL), with the vast majority being from Colorado blue spruce with ..

Cytospora creates a telltale pinkish or orange lesion on the bark of the trunk or the branches. This canker is particularly visible when the bark is wet. (The symptoms are different on spruce.) ...