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Same impression here. Shear cracks due to standing exposed on a recently cleared forest edge. Years ago my area experienced a declared disaster due to a derecho, a severe straight line wind that toppled many trees, mostly mature ponderosa pines. I ...

To add to Torrey's post, he so clearly states his comments and observations, I continue to await a publication titled Torrey's Tree Care Guide, or The Druid's Guide to Tree Care, or similar. I too observe these damage types as being related to previous ...

Howard... definitely a high risk of failure, i.e., already failing if there are visible cracks. The exudate is likely a combination of sap and a bacterial infection. It is common for bacteria to infect such cracks. As far as cause of the cracks, ...