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Spider mites?
Cheeba_Inuanswered grow question 3 years ago
Doesn't look like it. Spider mites have small, sucking mouthparts so you will usually see lots of tiny yellow specs of damage from their feeding. That could maybe be a spot of damage from a cal-mag issue. If the necrosis was slimy, maybe bacterial, but that doesn't seem to be the case from the photo. Happy growing! 👍🌱
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