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Hi can anyone help identify what this clear and white crusty residue… | Pests, diseases and problems | Communauté Planta

Cheryl

Hi can anyone help identify what this clear and white crusty residue is on my Swiss cheese plant? I found armored scales on a nearby plant so I am suspicious that they may have caused this but I cannot find a single scale on this plant so I am confused. It is most concentrated on new growth. I use filtered/chlorine free water and this doesn’t look like guttation or mold. Any advice is appreciated!

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5 commentaires

  1. Nichole

    Mealy bugs

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    • Cheryl

      Thanks! Do you know if they can hide super well? I’ve checked every inch of this plant and can’t find a single pest or anything resembling a mealy bug or scale

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    • Kate

      I dealt with a terribly mealy bug infestation a few months ago, I found that a lot of them will hide in the white powdery residue (see pic). I cleaned literally every leaf and crevice with q-tips and cotton rounds soaked in 70% isopropyl alcohol even if there was nothing visible, and then completely repotted. I kept cleaning with that alcohol whenever I spotted more bugs and it’s all taken care of!

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    • Cheryl

      Thank you so much for the advice! I’ll try that

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  2. Kaye

    We have the same problem!

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