Several of my in-ground peppers have developed leaf spots on the underside of their leaves. These particular peppers more or less fend for themselves outdoors in the raised bed with the other vegetables. They receive full sun about 9 hours a day and I do not supplement them any fertilizer treatments. Au naturel. I check everyday and (in the case of last months cutworm hunt) night for pests and will intervene regularly to stamp out any signs of insect "baddies". This time, I can find no indication of what is creating these brown spots. My initial guess is that it is a bacterial thing. In the picture you can see that the leaf started to curl. This was the only leaf, so far, which has done that. The others still look relatively fine.
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