Okay, the problem has been identified by someone at my work. It's edema, probably caused by overwatering/poor drainage. I'll sort that out tonight...
First, thanks for the replies!Removing all the affected leaves would be a bit catastrophic - just about all the leaves on all the plants are...
I'm sure this is a really obvious problem, but we've just started growing a couple of varieties of peppers and there seems to be some kind of...
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