Q.Could It Be A Deciduous Magnolia?
Hi. I have had a lot of trouble trying to identify my tree/shrub. It was suggested Magnolia, could that be correct. I am also having a lot of trouble trying to work out what is wrong and how to fix it. I have searched for caterpillars and there are non I can see. The brown sections just crumble at the lightest touch. What can I do to save my tree, Please any assistance would be appreciated.

Certified GKH Gardening Expert
Your tree does appear to have either a fungus or bacterial infection. Make sure your trees roots are not sitting in wet soil, and don't overhead-water the tree. You'll need to remove every bad leaf on the tree and dispose of all the dead leaves and any detritus around it.
Here are two articles that will help you with the problem:
https://www.gardeningknowhow.com/ornamental/trees/magnolia/magnolia-tree-diseases.htm
https://www.gardeningknowhow.com/ornamental/trees/magnolia/sweetbay-magnolia-diseases.htm