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Thread: D. aliciae and black leaves from crown

  1. #1
    Tropical Fish Enthusiast jimscott's Avatar
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    For the past 2 years I have noticed that my open tray D. aliciae plants start out blackened from its crown. Does anybody else experience this? What is causing it? The plants don't die and eventually stop doing that, I'm curious as to how and why.

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    throckmoron's Avatar
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    I don't really see that in my aliciae plants but a lot of my Petiolaris complex Drosera do that. It took me a while to get used to originally because I would perpetually think the plant was about to croak--

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    VFT and Drosera lover vft guy in SJ's Avatar
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    Something like this? Mine has done this for as long as I can remember. The plants are lush and beautiful regardless...

    These first 2 pics were taken 12/14/04






    This pic was taken today 12/17/06


    Full size pics:
    http://steve.nightscapecreations.com...s/aliciae1.jpg
    http://steve.nightscapecreations.com...s/aliciae2.jpg
    http://steve.nightscapecreations.com...aefull1206.JPG
    There are only 2 infinite things... the universe and human stupidity, and I'm not too sure about the universe.

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    Hello, I must be going... Not a Number's Avatar
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    My aliciae is doing that. The tentacles come out deformed/missing on those leaves. It seems to affect the smaller plants more than the larger ones. I thought maybe it was "damp-off", I tried swabbing a few leaves with a weak hydrogen peroxide solution with a water color brush. The black gunk washes off in some cases. It's actually a dark-reddish brown like iodine.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

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    I've got a magic window! elgecko's Avatar
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    Never saw anything like that before on my D. aliciae.

    Maybe due to too much humidy, poor air circulation?


    My Grow List Updated 8/24/17

  6. #6
    Hello, I must be going... Not a Number's Avatar
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    Could be, mine is in a terrarium. I took off half the cover and positioned a fan so it gets some additional circulation.

    This starting happening about a week or so ago.

    I noticed the newest leaf on the biggest plant seems clear of the crust. I call it a crust because it seems to crack and flake off as the leaf develops. The leaves look exactly as the first picture above, with curled up tips and lack of tentacles.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

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    chloroplast's Avatar
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    Same thing happened to mine and I think this was due to a minor aphid infestation (which I quickly eradicated with some orthene). The leaves grew but always retained the black (dead) tissue and never completely uncurled. The new growth is fine.

    I think it may just be a nonspecific consequence of plant stress (kinda like the "shrinking leaves syndrome" of stressed neps)!

    Ken
    Secretary, New England Carnivorous Plant Society (NECPS) http://www.necps.org/
    Member, International Carnivorous Plant Society (ICPS)
    Member, North American Sarracenia Conservancy (NASC)
    Member, The Carnivorous Plant Society (CPS)

  8. #8
    Metal King
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    I dunno, mine do something like this too, but it has never been a problem- I suppose I should record when I see it happening and see if there's some pattern, but once I saw that it didn't seem to "mean" anything, I kinda stopped paying attention
    Da Growlist

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