There is no way to get rid of the brown spots that appear on leaves of a persimmon tree. This is a symptom of leaf blight disease, and there is a way to prevent it from spreading, if you remove the infected plant matter immediately, but fungicide treatments are not usually warranted to control leaf spot or leaf blight.
could be lots of things. can you be more specific? where are the spots, how big, what time of year, wet or dry? can you see any bugs on the tree? ect...
black spots on the leaves?
persimmon tree flowers naturally have both genders.
Red spots on the leaves of a eucalyptus tree could be caused by a fungus called Phytophthora. This fungus usually spreads to other parts of the tree and is not usually treatable.
description of the leaves
A wax myrtle tree my develop brown lesion on its leaves when infected with a leaf spot disease. The tree will regrow new leaves once the infection has cleared.
Tree sap?
Yes.
No, they are the fruit of the persimmon tree.
It is possible this is Powdery Mildew. If required the treatment is to spray with Bordeaux mixture. This is an unsightly disease but not normally serious.
The scientific name for a Persimmon tree is Diospyros virginiana.
Does the tree need more watering?