What caused a Mulberry tree to half die?

Question

I live in Tucson, AZ and have five well-established mulberry trees that were on the property when I bought it. They all appear to be literally half dead. One half is dead, no bark no leaves…the other half thriving. What caused this?

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Answer 1

Are there holes in the trunk? If so, borers may have infested the tree. It also could be a soil borne disease that is affecting part of the root system. Contact an arborist or your local cooperative extension service for a more definitive diagnosis.

https://www.gardeningknowhow.com/ornamental/trees/tgen/tree-borer-insects.htm

https://www.gardeningknowhow.com/ornamental/trees/fruitless-mulberry/how-to-grow-mulberry-trees.htm

https://www.gardeningknowhow.com/ornamental/trees/tgen/what-does-a-dying-tree-look-like-signs-that-a-tree-is-dying.htm