What Would Cause A Peach Tree To Bear Small Peaches?

Question

I have a 7 year old peach tree that is full of peaches every year but they only reach about golf ball size. What can I do to make my tree bear larger fruit?

Answer 1

A disease could cause smaller fruit. Here is a possibility:

https://www.gardeningknowhow.com/edible/fruits/peach/xylella-fastidiosa-peach-control.htm