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  • 1 Post By zainal abidin
  • 1 Post By PaphMadMan

Hole in pseudobulb - borer?

This is a discussion on Hole in pseudobulb - borer? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; I noticed a hole in a pseudobulb of a hybrid (Beallara Tahoma Glacier or similar) ...

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  1. #1
    larrybob is offline Junior Member
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    Default Hole in pseudobulb - borer?

    I noticed a hole in a pseudobulb of a hybrid (Beallara Tahoma Glacier or similar) and wondering if it could be a borer. If advice is to remove that pseudobulb, my issue is that that pseudobulb has a spike wifh buds that are just opening.


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  2. #2
    Chris in Hamilton's Avatar
    Chris in Hamilton is offline Senior Member
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    Not sure what would cause that but looks kind of big for a typical borer. I'd be tempted to put a few drops of peroxide in there.

  3. #3
    ksriramkumar is offline Senior Member
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    Looks like a symptom of a pest. Keep the plant isolated and treat it

  4. #4
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    Zainal Abidin Bin Othman
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    I agreed with the above could be due to weevil they love to make a hole to lay their eggs.

  5. #5
    PaphMadMan is online now Senior Member
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    Since we don't know where you are it is difficult to guess how likely any kind of borer or weevil might be - something that could be very different for a grower in the US or Europe (not very likely this time of year) or someone in the tropics (which I have no experience to judge). To me it just looks like the pseudobulb got poked with a stake or something. Unless it truly appears to be a deep tunnel I think that is at least as likely as a pest. It looks like the edge has already callused over so the major chance for rot to set in has already passed, but it can't hurt to flood the hole with alcohol or peroxide and sprinkle some cinnamon in it. There is absolutely no reason to think of removing the pseudobulb at this time.

  6. #6
    larrybob is offline Junior Member
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    I live in San Francisco. It does seem like it could be a stake-hole, though I don't remember a recent incident. I'll try disinfecting it and keep monitoring it.
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