White pine blister rust
What you will see
Canker patches on the bark with oozing resin, white blisters in the second year; often fatal.
The source says: it most frequently and severely damages seedlings and saplings.
How to protect
- Prevention
- Do not plant currants and gooseberries (Ribes) near pines – they are the alternate host.
- By handRemove all Ribes within about 270 m of the pine.

















