date:Aug 13, 2012
Crops are expected to be down by as much as 50% in places due to a combination of heavy rain and little sunshine.
Producers have said it has been one of the most challenging seasons in living memory.
The warning came as a major conference looking at the latest developments in potato farming opened in Dundee.
Some 700 farmers have gathered at the Potatoes in Practice conference at Balruddery Farm. The event is Britain's largest field-based potato industry event.
Challenging season
The site i