[m1ckz]

as with blackleg,,,are the potatoes ok to eat   or should they be dumped

[Beetroot queen]

http://chat.allotment-garden.org/index.php?topic=58349.0

That may help

[mumofstig]

If the potatoes look good then eat them up quickly, I am.

If you leave the tops to rot it can infect the tubers - so remove the tops and any crop asap. That way you may get a small usable harvest and stop the disease spreading through the rows.