News

The cool wet weather we have been experiencing encouraged a number of tree diseases, including cytospora canker of spruce trees. Cytospora canker is a fungus that primarily attacks blue and Norway ...
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, or Valsa canker, the fungal cause of gummosis, affects stone fruit trees such as apricot, cherry, peach and plum. Cytospora infection is distinguishable from insect damage and ...
There aren’t any sprays that can solve the problem once borers are in a tree, and attempts to dig out a borer can cause damage and leave access into the tree for diseases like Cytospora canker ...
Jillian Patrie | University of Minnesota Yard and Garden Extension ...
Your description suggests that your Colorado blue spruce (Picea pungens ‘Glauca’) is suffering from cytospora canker, a disease caused by a fungus that attacks spruces, hemlocks, firs and larches.
Particularly, the cytospora canker, or perennial canker, commonly causes fungal bleeding in stone fruited trees such as apricot, cherry, peach, and plum. This infection can be distinguished from ...
Facilities Management (FM) Outdoor Services staff this month will conduct a soil injection aimed at treating 15 to 20 cottonwood trees on Main Campus that are infected with Cytospora fungal canker.
But some were leaking dark fluid that stained the bark. The dark fluid is the exudate from a Cytospora canker, a common fungus. Although the cankers and draining exudate are unsightly, their impact on ...
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.) ...