Q.shot hole fungus on my plumcot. tree
just planted a young plumcot tree two weeks ago,already showing sign of shot hole fungus.can i treat this tree with something now . and what to treat it with. i know to pull all affected leaves off and destroy them . what about the old soil, & shreded bark . thank you Scott.

Remove the disease plant material and dispose of.
These links have more information.
https://www.gardeningknowhow.com/edible/fruits/plumcot-trees/growing-plumcot-trees.htm
https://www.extension.umn.edu/garden/yard-garden/trees-shrubs/management-of-leaf-spot-diseases/