[ELI5] Why do we have seedless fruit but not pitless stone fruit (e.g., peaches, plums, cherries)?

Question

[ELI5] Why do we have seedless fruit but not pitless stone fruit (e.g., peaches, plums, cherries)?

In: Biology

Answer 1

Stone fruit grows on trees, which take a *long* time to mature. The process of selecting a tree that produces fruit with *small* pits, then growing a bunch of descendants of that tree, then selecting a descendant with *smaller* pits, etc…. takes way too long to be financially viable.