Sounds like scab. Here's a link that will tell you more than you ever wanted
to know about growing potatoes and diseases in general and scab (pictures on
the site) in particular. Good luck.

http://www.potatodiseases.org/scab.html

Val
"spuddoherty" wrote in message
...

hi everyone i have just planted a small plot of potatoes,and a lot
of them have a type of wart all over the skin are these still edibile
and is there a way of preventing this from happening.i have a photo
of them which would explain the problem much better,but i cant
see where i can post it on the forum.kind regards to all.joe.




--
spuddoherty