Yellowing, spotty leaves on phalaenopsis
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Old 09-15-2021, 09:12 PM
Jax79 Jax79 is offline
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Yellowing, spotty leaves on phalaenopsis
Default Yellowing, spotty leaves on phalaenopsis

Hi all! Wondering if anyone can help me identify the problem with this phalaenopsis? The plant gets watered or fertilized once a week, all of the roots look great, is in a bright well ventilated area, and the 14 other plants (a mix of phals, zygos, and dendrobiums) in the room are all fine. TIA for any help!
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Old 09-16-2021, 02:58 AM
estación seca's Avatar
estación seca estación seca is offline
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Yellowing, spotty leaves on phalaenopsis

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Location: Phoenix AZ - Lower Sonoran Desert
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Yellowing, spotty leaves on phalaenopsis Male

I can't see the photos very well.

Was that the lowest leaf? I see some raised brown areas on the underside. How long have those been there?

The things that come to mind are:
  • Older leaf dropping normally;
  • Spider mite damage on underside;
  • Some other kind of insect damage I can't see.
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bright, mix, phalaenopsis, plants, ventilated

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