clewA black spot in the middle of a chitting potato. Dont plant? Any of the variety? Any of the delivery?
Will
Jim Daly@scandigonian @clew It's most likely blackheart. That sounds more serious than it is. It's caused by a lack of oxygen in storage or in waterlogged fields.
That said, you want your seed stock to be 100% so contact the vendor. I'm sure they'll replace them to be on the safe side.
Thank you! I have contacted the source grower, and also now I have a word to look up.
@clew @scandigonian Let us know the outcome.