What you will see
Branches die back from the lower limbs upwards; sunken canker patches appear on the bark and white resin oozes out.
The source says: it is one of the most damaging diseases of blue softwood.
How to protect
- Prevention
- Water the tree regularly in dry spells and feed it; a weakened tree is more susceptible.
- By hand whenever the bark is dryCut out affected branches in dry weather about 20–25 cm below the visible damage; disinfect your tools after every cut.

















