Q.What Is Wrong With This Apple Tree
We have a James Greave dual purpose Apple tree planted about 7 or 8 years ago. It has never produced more than a dozen apples. This year one flower appeared in April then nothing else. The leaves are all curling up as if they have been frosted. Last year it produced a number of blossoms but only about eight apples. I suspect it has some sort of disease but I have no idea.
Certified GKH Gardening Expert
You may have a crown gall near the base of the tree. These articles should help: