The last two years my peaches and cherries have gotten this disease (or...
It appears to be Brown rot, caused by the fungus, Monilinia fructicola. Brown rot is a common and destructive disease of stone fruit, a closely related group of trees that include peach, nectarine, apricot, plum, and cherry. The following links will provide additional information on how to manage this disease:
OSU Fact Sheet titled Brown Rot of Stone Fruits https://ohioline.osu.edu/factsheet/plpath-fru-29
Penn State Extension Fact Sheet titled Tree Fruit Diseases - Brown Rot, Fire Blight, Root Rots https://extension.psu.edu/tree-fruit-diseases-brown-rot-fire-blight-root-rots
Purdue Fact Sheet titled Brown Rot on Tree Fruit in the Home Orchard https://www.extension.purdue.edu/extmedia/BP/BP-45-W.pdf