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scale on phalaenopsis

This is a discussion on scale on phalaenopsis within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; I had an phalenopsis that got scale growing on it. It clearly had large round ...

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  1. #1
    Brenda3355 is offline Junior Member
    Join Date
    Mar 2011

    Default scale on phalaenopsis

    I had an phalenopsis that got scale growing on it. It clearly had large round brown spots of scale. I'm fairly new to growing orchids and had never encountered this before but thankfully a friend pointed out the scale to me. I removed the spots with isopropyl alcohol and will follow up in the coming weeks. Hopefully my plant will be ok. My question is now I'm getting paranoid about orchid pest/diseases everywhere on all my other orchids. If my miltoniopsis has one little black spot on one leaf, is that a disease? If my other phal which was in a different room than the phal with scale has a little brown line looking thing on a few leaves, is that scale...because it's not real obvious looking scale like my other phal had. Is it normal for phal leaves to have imperfections on leaves that are brown or is every spot a possible disease.

  2. #2
    catttan's Avatar
    catttan is offline Senior Member
    Real Name
    My Grow Area
    Outside 24/7
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    cattleyas, vandaceous,paphios
    Join Date
    Sep 2009
    Kedah, Peninsular Malaysia
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    Glad you got rid of the scale. As for your miltoniopsis, black spots like that are common especially on older leaves. I don't think those 'little brown lines' are scales. A picture of your plant with brown lines would help greatly in diagnosing your problem.

  3. #3
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is offline Dreaming with my eyes open...
    Real Name
    Bruce Brown
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    Cattleyas & Slippers
    Join Date
    Mar 2003
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    Brenda, see this link for help identifying scale: Brown Soft Scale

    Notice all the text links at the top of the page. They link to different scale photos and descriptions.

    Also, as Yew Sung said, a photo will help us in diagnosing your issue with the plant that has the brown lines.


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