"Mab" wrote
A friend of mine has an infestation of wireworms that has ruined his
potatos, any idea on how to rid his allotment of them?


No, but some potato varieties seem more prone to damage than others and I
presume his is a "new" allotment.
This has some info...
http://www.uky.edu/Agriculture/Entom...rops/ef120.htm


--
Regards
Bob
In Runnymede, 17 miles West of London