Q.mature fruitless mulberry tree is weeping sap
There is a large swarm of flies all around the tree. Is the tree in trouble? What can we do? The sap is coming from the bark of the largest branches and trunk.
Downtoearthdigs
Answered on June 8, 2015
Here is a link with more information.
It is most likely Bacterial Wetwood.
https://www.gardeningknowhow.com/ornamental/trees/tgen/wetwood-bleeding-trees.htm
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