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 ...

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 ...

What is this and will it kill my tree? A: This is a common fungal disease for blue spruce trees called cytospora canker. It usually happens to trees that are 15 years old or older. If the tree is ...

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 ...

In most Chicago suburbs, you can’t drive a block without seeing a spruce tree. Norway spruce, blue spruce and white ... the problem is more likely to be cytospora canker, Yiesla said.

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.) ...