Answer: A healthy tree should not have any spots of sap or ooze or gumminess on the bark. This gummosis might indicate bark damage or possibly borer damage or some other serious issue. I would suggest you consult with the nursery where you purchased the tree and/or with your county extension. In the meantime avoid wounding the trunk with tight plant ties, a weedwhacker, or by pruning. I hope it is nothing too serious.
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