My Lemon Drop was growing beautiful and healthy, and then suddenly the growing tips started developing tiny spots with yellowing, and the leaves started dropping. It looked like a deciduous tree in the fall when I touched it, leaves just dropped right off. Undersides of the leaves had fuzz on them near the base of the leaf stalk. It started small but is spreading rapidly to all growth tips. I sprayed it with micronized sulfur, I'm hoping that helps. If it doesn't, not sure if I should cull it so it doesn't spread. That would break my heart because I've really been looking forward to the Lemon Drops this year. Can I get confirmation of powdery mildew, or if you believe it is something else, please let me know? I do acknowledge that air flow is not great around these plants, now that they are so bushy. Photos below of the issue, plus the whole plant from two days ago. Thank you for any help.
Note white fuzz on base of leaf in lower right of this photo:
Note white fuzz on base of leaf in lower right of this photo:
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