Plant Clinic - diagnosing sick plants 🌱

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Get help diagnosing and treating a sick plant. Include pictures, watering schedule, light levels and temperature/location so that we can help figure out what's wrong.

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What is happening to this oak sapling? (lemmynsfw.com)

submitted 2 weeks ago by [email protected] to c/[email protected]

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[–] [email protected] 3 points 2 weeks ago* (last edited 2 weeks ago)

Looks like powdery mildew to me. A fungicide should clear it.

[–] [email protected] 2 points 2 weeks ago (1 children)

Looks like mealybugs: https://en.m.wikipedia.org/wiki/Mealybug Keep them away from other plants and spray them with solutions against said bugs.

[–] [email protected] 1 points 2 weeks ago (1 children)

Mealy bugs are much bigger than this. This almost just looks like water residue on the leaves.

[–] [email protected] 1 points 2 weeks ago

Not necessarily. At the beginning of the infestation the bugs themselves are very small and don't move much. I had an infestation two years ago.

[–] [email protected] 1 points 2 weeks ago

It's little bit blurry, but what about this:
guttation
?