My apple tree had beautiful leaves an bloosoms thought I would get nice apples then the leaves started to turn brown an then black why how come??? That happen last year leaves look like they are budding out now it is spring. I looked for for the tent worm did not find any don't spray unless I find that would help whatever happened. What possibly happened?
There are several diseases that can cause these symptoms. It can be difficult to diagnose without a photo- the best thing to do is to contact an extension office near you, since they will know what diseases are common in your area. Meanwhile, here are some resources you can refer to: