I have a few brown spots on my potato leaves, primarily on the Yukon
Gold. Not nearly as many on the Russet and none on my Reds. They don't
appear to be blight (no halo or concentric circles of any sort). It
doesn't look like they're harming the plant either. Any idea what they a

http://community.webshots.com/photo/...75871767asQBks

TIA

..

Zone 5a in Canada's Far East.