On 11/12/2017 21:58, Vir Campestris wrote:
Anybody know why this is happening?

http://i92.photobucket.com/albums/l1...ps8erjdqqm.jpg

It isn't the core, and it isn't the outside - somewhere in between.

Andy

Looks a bit like a mild case of Bitter Pit but I am no fruit expert, its
caused by mineral imbalance and is often triggered by very wet seasons,
if you look it up it will tell you what you can do to improve things

--
Charlie Pridham
Gardening in Cornwall
www.roselandhouse.co.uk