Large mango tree looks like it’s dying.
2 years ago a mango tree died in my yard, and now the bigger one is dropping all its leaves also. Possums are always in it. Wondering if this could be it?
Certified GKH Gardening Expert
Without any specifics the best I can do is give you this link for information on diseases.
You can also contact your County Extension Office for specifics to your region and possible issues with fruit trees.