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Look carefully at the trunk and branch structure of the tree below. See the text below suggested to improve structure.

This tree has reasonably good trunk and branch structure. Four main branches are grouped or clustered together in the bottom of the crown. If these were left alone, they often grow aggressively to eventually choke off resources to the leader. The largest two or three of these could be suppressed by either thinning or reducing them to allow the leader to maintain dominance. There are two fairly large branches very close to one another about two-thirds the way up the crown. Both of these should not be allowed to grow unchecked because they are likely to grow into each other as they increase in diameter and form an inclusion in the union. One should be reduced, thinned, or removed now.

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