Update to: What is wrong with my apple tree. Pics

[gemstogo]

Here are a couple of pictures. I hope it will help with what the problem might be. Thanks

 

[Elmore]

I'm going to go out on a limb here and say that that is the result of poor pruning...no, I mean powdery mildew. Have you seen or can you now see evidence of a white chalky appearing residue on the top of the leaf surface?