Why do the leaves on my older apple trees have brown spots and are falling off? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: My Granny Smith Apple tree has been losing leaves leaving the bottom half of the tree leafless. The leaves have brown spots on them and I can see them dropping off when a squirrel jumps on a branch or a breeze blows through. It has been many years without getting pruned, but has born read more