"Sacha" wrote in message
...
On 2013-06-03 15:09:24 +0100, Pete C said:

While I was weeding the plot this morning, I noticed sky blue marks on
broad bean leaves. On further inspection, I found the same on French
beans and peas. Some just spots, others about 5p size. It wipes off with
a wet finger. Any ideas as to what this could be?
Ta

Has someone been using Bordeaux mixture near your plants?

Nope, but good guess
--
Pete C