The Fruit Is Smaller Than Last Year And Tree Is 4years Old

Question

I did prune tree in late winter, also the tree is still producing flowers along with file fruit

Answer 1

I don't see mention of the specific fruit tree, but I can give you general information that should help. It could be a combination of care, environment, pests and disease, even pollination. The tree may need fruit thinning. If the tree bears more fruit than it can develop, they will be smaller.

https://cals.arizona.edu/yavapai/publications/yavcobulletins/Common%20Fruit%20Tree%20Pests.pdf
https://cals.arizona.edu/yavapai/anr/hort/byg/archive/thinningfruit2021.html
https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=51913
https://extension.arizona.edu/sites/extension.arizona.edu/files/pubs/az1492.pdf