Sweetgum Trees

Sealant for Tree

fred added on May 15, 2011 | Answered

In our local park, there is a large gum tree. The top 2/3 has died back. The bottom 1/3 is growing well. If I cut off the top, there will be a large area (say 2 ft radius) exposed to the elements. I feel it should probably be sealed to avoid further damage to the tree. What should I use to seal the area? The local council is not interested in doing anything.

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Certified GKH Gardening Expert
Answered on May 18, 2011

You should not seal the area. This can actually trap disease into the wound and harm the tree further. What you can do it treat the wound with a fungicide. This will help to kill some of the possible diseases that could harm the tree while the wound heals.

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