On 22/03/2010 20:19, Mike Lyle wrote:
someone wrote:
"David in wrote in message
. fr...
Any ideas what cause this? I'm just curious. It doesn't seem to be
directly related to slug damage as the black / grey mass can
sometimes be quite deep inside otherwise apparently pest free
potatoes.
Could it be internal rust spot?
http://www.potato.org.uk/department/...f.html?item=42
If not that, then maybe blight or gangrene.
It doesn't look like those when I see it. My money's still probably on
bruising: see at
http://www.potato.org.uk/department/knowledge_transfer/pests_and_diseases/ref.html?item=33
That looks like it! Bruising. Hmmm. Looks like someone hasn't been very
careful harvesting the potatoes. I've only seen this on shop bought
potatoes, never on my own.
--
David in Normandy.
To e-mail you must include the password FROG on the
subject line, or it will be automatically deleted
by a filter and not reach my inbox.