Are the pink spots on this peach flesh some sort of disease? I got these from family who bought them at a farm stand in CO. The first one I ate had normal flesh, but the next two have looked like this. (As an aside, I would definitely say they're overripe and I did taste them and they don't taste good.)
I'm sure this isn't a disease, but just the way the variety grows. I have bought a few of these kind of peaches this season. I think it's the first time I've seen those red streaks in the peach flesh, but the ones I got were wonderful and delicious. So not all peaches that look like that are overripe & bad tasting.
There are so many different varieties of peaches, and I think they're coming up with new ones all the time. There are bound to be types we haven't seen before. Maybe this red-streak variety is new, or newly-popular, or maybe you and I have just missed seeing it all this time, but I really doubt it is a disease.