Yahoo: Hail storm leaves 'sores and cankers' on pine trees around Bigfork We saw some dieback in trees coming out of winter. In some cases, it is environmental stress from drought stress and winter temperature extremes. It may also be a canker disease.

Understanding the Context

Cankers infect trunks ... Duluth News Tribune: Cankers on cherry trees may be black knot fungus Daily Inter Lake: Hail storm leaves ‘sores and cankers’ on pine trees around Bigfork European canker, caused by the fungal pathogen Neonectria ditissima, presents a significant challenge to apple production across temperate regions. The disease manifests as cankers on trunks and ... A: Your pine is showing early stages of Fusiform rust, a fungal disease.

Key Insights

As the spots grow larger and swell, which they will, cankers can girdle and kill the tree. An interesting note, rusts like this ... Add Yahoo as a preferred source to see more of our stories on Google. Sep. 2—A hailstorm that caused widespread damage across the Flathead in July is to blame for an infection in some pine trees, ...

Final Thoughts

CBS News: 'Pistachio Canker' Tree Fungus May Be Killing Acres Of Eucalyptus Trees In East Bay Hills