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reddish stuff on parvi+cochlopetalum paph

This is a discussion on reddish stuff on parvi+cochlopetalum paph within the General Orchid Culture forums, part of the Orchid Culture category; since lance brought the subject up in another thread, it got me examining my plants. ...

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  1. #1
    kewpie's Avatar
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    Default reddish stuff on parvi+cochlopetalum paph

    since lance brought the subject up in another thread, it got me examining my plants.

    anyway, is it unusual to have the leaves on a parvi+cochlo paph be dried out-looking and reddish-brown at the base of the plant? it only appears at the edges of the leaves (where they meat together to become the fan). is it rust? if not, what is it? its not bumpy like the picture that traci posted. im treating with daconil already. but i was just wondering if its normal (like the red gooey substance that is between the leaves at the base of phrags).

    thanks!

    lance - its looks like it will be another month before i will receive your new book (it will probably have the answer, no?), so i thought that i would ask here!

  2. #2
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    anyway, is it unusual to have the leaves on a parvi+cochlo paph be dried out-looking and reddish-brown at the base of the plant? it only appears at the edges of the leaves (where they meat together to become the fan). is it rust? if not, what is it? its not bumpy like the picture that traci posted. im treating with daconil already. but i was just wondering if its normal (like the red gooey substance that is between the leaves at the base of phrags).


    Rust can be seen as orange, powdery pistules and can distort/curl leaves. It's a fungus, and is spread by rust-colored spores. So if you suspect rust, then be sure to keep it away from other orchids. Can you get powder from your leaves? Or maybe it's just the "red gooey substance"... I'm not sure what it is, but it's a good idea that you've treated it just in case it's something serious.

  3. #3
    Lance Birk is offline Junior Member
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    Default Rust

    Kewpie,

    What you describe is rust.

    This is a serious disease that will kill your Paphs.

    IMMEDIATELY isolate your plants.....with as little disturbance as possible which could dislodge additional spores of rust.

    You can treat this disease but you cannot illiminate it.

    Contact me personally at: lance@lancebirk.com.

    Lance Birk

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    kewpie's Avatar
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    eek! how do i treat it???

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    Lance Birk is offline Junior Member
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    Kewpie,

    Tomorrow I will locate the pesticides which can help to control (NOT eliminate) this problem. I will post them here.

    Meanwhile, treat this problem more seriously than the Plague, and do not even think of


    Why don't you contact me at: lance@lancebirk.com

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    kewpie's Avatar
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    hi, lance. youve got mail!

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    before you jump to conclusions, and perhaps off a precipice, there is a big difference between the dreaded basal rot and a normal senescing leaf (which may look a great deal like rot)...and sometimes things, especially phrags, will exude a reddish film that has no real significance. A picture here would be infinitely useful.

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    thanks for chiming in, jason. ive got a phrag with that red film that youre talking about (i think you reassured me when i posted a while back). im not worried about that.

    its my paph that im thinking about now. its not the sticky red stuff....its some reddish-brown spots that looks dead and dry, and is only at the margins of the leaves where they join up to make the fan. i hope lance is wrong about the rust, but im treating it and separating it from the flock anyway.

  9. #9
    Lance Birk is offline Junior Member
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    Jason,

    "...is it unusual to have the leaves on a parvi+cochlo paph be dried out-looking and reddish-brown at the base of the plant? it only appears at the edges of the leaves (where they meet together to become the fan)"

    This is a SERIOUS disease and must be dealt with aggressively and swiftly! This disease will kill your Paphiopedilums...did you ever see "The Terminator"?

    There is no rush to judgement, the rush is to contain this disease.

    Read carefully, Kewpie's description (above) it's the tip off.

    Photos will certainly help.

    Lance Birk

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    sorry, lance. no photo here -- no digicam.

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