What Is Wrong With This Apple Tree

Question

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.

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Answer 1

You may have a crown gall near the base of the tree. These articles should help:

https://www.gardeningknowhow.com/edible/fruits/apples/apple-leaf-midge-control.htm
https://www.gardeningknowhow.com/edible/fruits/apples/apple-crown-gall-treatment.htm

https://www.gardeningknowhow.com/edible/fruits/apples/apple-tree-diseases.htm