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Thread: Help! Black Fungus on Nepenthes alata

  1. #1

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    Ok, I have had two Nepenthes alata plants for about a week. The terrarium I have been keeping them in has high humidity, and I have been trying to keep the condensation down. However, I just noticed on a few leaves a black/dark brown fungus growing.

    What are some recommendations for treatment? I have removed one of the badly infected leaves.

    [img]http://www.**********.com/iB_html/non-cgi/emoticons/wow.gif[/img]
    Nick

    Careful where you crawl, it might be a trap!

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    Nepenthes Specialist nepenthes gracilis's Avatar
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    It could just be black soot fungus which is harmless and you can wipe it away with a damp paper towel. If it is fungus then treat with Cleary's 3336 available on this site.

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    Hopefully its harmless.

    Here is a photo of the fungus I am having problems with. This is on a lower leaf. I do have other leaves with these spots. Some are on the top and others are on the underside of the leaves. There is also a small amount on the stem. I think I may have missed this when I brought the plants home.

    Nick

    Careful where you crawl, it might be a trap!

    http://www.carnivorium.com
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    I keep double posting for some reason.
    Nick

    Careful where you crawl, it might be a trap!

    http://www.carnivorium.com
    http://www.buckeyecarnivores.com

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    What about using chlorothalonil? I do have some of this.
    Nick

    Careful where you crawl, it might be a trap!

    http://www.carnivorium.com
    http://www.buckeyecarnivores.com

  6. #6
    Tony Paroubek's Avatar
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    Try wiping it off with just a damp papertowel. If it comes off and the plant tissue underneath looks healthy then it is just some mold growing on something on the leaf. Do the tops of the leaves where the spots are look ok??

    Nepenthes often have globs of nectar under the leaves on the pitchers etc.. In very high humidity they can get moldy. Try decreasing the humidity as you have been and maybe increase air circulation inside the terrarium. Do you have any small fans in there?

    On a side note (I don't think this is the problem but it is worth mentioning anyway) Some sucking insects exude sugar/nectar which can coat the leaves etc and again will also get moldy in high humidity.
    Tony
    Is that a Nepenthes in your pocket or you just happy to see me?

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    Nepenthes Specialist nepenthes gracilis's Avatar
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    Looks like black soot fungi. Try to wipe it off like Tony and I suggested and if it doesn't come off treat with Cleary's.

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    Thank you [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]
    Nick

    Careful where you crawl, it might be a trap!

    http://www.carnivorium.com
    http://www.buckeyecarnivores.com

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