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Good vs. Poor Pruning Cuts
October 27th, 2011
Good vs. Poor Pruning Cuts
Making Improper pruning cuts can leave your tree open to insects and disease here are 2 examples of trees healing from pruning cuts, good and bad.
Above is a pruning cut made too close and cut into the brach collar. The area where the circle of new wood is incomplete will never properly heal leaving the tree open to pathogens and further decay.
The above photo show a good pruning cut leaving the branch collar intact. The unaffected branch collar will slowly close sealing out pathogens and compartmentalizing the decay.
The Branch Collar is the attachment structure in woody plants that connects a branch to a parent branch, or trunk. The branch collar consists of overlapping wood fibers which act as structural support and the branch protection zone. The branch protection zone compartmentalizes wounds.
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