I'm glad you tested it, as the only things I see are thrips attacks and Guignardia/Phyllosticta spots.
The only "reliable" marks (that is, to touch with a a three mile pole but still an indication not to treat like 1 cent coins) are repeated (I mean repeated) color breaks, and geometric chlorotic spots. And it can still be something else (cosmic rays or a fungus).
[edit]mixed up two fungi genus… and mispelled another corrected
Last edited by lepetitmartien; 10-22-2013 at 11:22 PM..
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