Cytospora Canker in Calgary

Unfortunately a lot of trees in Calgary suffer from the effects of Cytospora Canker, a vascular fungus, which affects vulnerable parts of trees.

Trees affected by Cytospora Canker

Which of my trees should be inspected for Cytospora Canker?

This fungus is not particulary attached to one tree species, all trees can get infectected by Cytospora Canker.

Symptoms

Is my tree infected by Cytospora Canker?

Common symptoms linked to Cytospora Canker are

  • Needle drop/yellow needles (Spruces)
  • Grayish bark (Spruce trees)
  • Yellowing of trunk and branches (Aspens,Poplars)
  • Oozing of sap from trunk and branches
  • Branches dying

We have chosen to present symptoms of Cytospora Canker on the Aspen-, Apple- and Spruce Tree. Due to the fact that Cytospora Canker is not picky at all and could affect any tree species.

Colorful Symptoms of Cytospora Canker on Aspen Tree

Symptoms of Cytospora Canker on Aspen Tree by William Jacobi, Colorado State University, Bugwood.org

Symptoms of Cytospora Canker on Apple Tree

Symptoms of Cytospora Canker on Apple tree by William Jacobi, Colorado State University, Bugwood.org

Symptoms of Cytospora Canker on Spruce

Symptoms of Cytospora Canker on Spruce by Joseph O’Brien, USDA Forest Service, Bugwood.org

Treatment

Can Cytospora Canker be treated?

Since Cytospora Canker is a vascular disease, effective control can only be achieved through chemical control measures. Several fungicides are effective to control this disease, which can be applied through trunk injection methods in early spring for best results.

Is my tree infected?

Call your certified arborist for a professional diagnosis and a proper treatment plan.