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Grow QuestionsYellow spots on leaves

Yellow spots on leaves

CloneKingzstarted grow question 4 years ago

What would cause these little yellow spots on leaves? Feeding 150ppm calmag, 450ppm megacrop I’m coco/perlite. Water source is 0ppm, no chlorine. Only on this one plant and don’t see any critters. Light source is MH 18” away.

CloneKingz

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Leaves. Color - Yellow

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The8thChevronanswered grow question 4 years ago

You say no critters, but that's thrip damage. I'm all but 100% sure. Check underside of leaves. They look like tiny worms, usually lime green. Even if you can't find any, I would still treat for it. Best of luck with the bastards!

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CloneKingzanswered grow question 4 years ago

Thanks for the solid answer! I literally looked under every leaf and only found two white fellas. None the less need to start treatment and get rid of these guys.

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