Should I be worried about my tree splitting?
Splitting in branches and trunks is great reason for concern and action. Trees can split in a number of ways. The most common split occurs where two branches join in a tight “V” shaped fork. Many times the two branches are of nearly equal size. Arborists term this type of limb structure as co-dominate branching. A close inspection of the point where the trunks or branches meet, the bark will roll inward toward the center of the tree. This is an indication of bark being included at the point of attachment. While it may look as if the two branches have grown together, included bark is a very weak structural situation that frequently leads to splitting. If you are buying young trees to plant, avoid trees that exhibit co-dominant stems or a tendency to form tight “V” shaped forks. This type of tree structure is likely to split once the tree has grown to a larger size.
Splits can be stabilized or even avoided by proper use of cables and/or brace rods. These artificial support systems can add many years to the lifespan of trees, which under normal conditions would split, fall, and be removed. You should call an arborist immediately if you see splitting or cracking in the major structure of the tree. Many times these conditions can be addressed with excellent results.
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