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ravennaobsessive

black spots on back of leaves

C S
5 years ago
I have a Meyer Lemon with black spots on the back of the leaves. Plant is indoors under a light. I’ve been treating it with Neem oil (it had scale in November, but it’s gone). I don’t see any webs from spider mites.

Is it a mold or fungus? Any help would be appreciated.

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