Answer: I suspect the tree was stressed by being killed back to the ground, and now is in need of some pruning. The following article includes general care information along with suggestions on how to thin and prune it. You may need to cut and paste the complete url into your browser to make it work correctly.
Without knowing what variety it is, there is a possibility it will not bear in years that it suffers severe winter damage. The article also includes some winter care tips. To some extent your results will depend on the weather each winter. Last winter was very difficult for many plants due to the oscillating temperatures and late freeze damage. I hope this helps.
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