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Thread: D. aliciae and black leaves from crown

  1. #9
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    I wonder - could this be a form of minor dormancy? FWIR, these grow alongside capensis in the wild, and do experience a minor winter - and they can get snowed on.
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    Hello, I must be going... Not a Number's Avatar
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    I was thinking that too. However the consensus seems to be it just goes away on its own so I'm not going to worry much about it and just let nature take its course.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

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    That's why I suggested I should log when it happens, as it does suggest a dormancy or sorts- since mine are all real happy looking right now, I assume the "black crust" happens in the summer (for me anyways) but if it were an attempt by the plants to avoid extreme heat by "cocooning" or something, black would be the wrong colour to use..

    Hmmmm...

    But as I said, it does NOT appear deleterious to the plants, and nothing changes in my set-up until the summer heat comes on (except for humidity going down a bit in winter, but it doesn't seem to affect anything too bad)

    Good theory Schloaty, with some diligence we could maybe see if it holds up to some semi-formal testing
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  4. #12
    wicked good plants! Presto's Avatar
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    repotting my aliciae into a nice, big, new pot solved the problem for me..
    -Emily

  5. #13
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    I noticed earlier that the backs of the new leaves were getting darker green/brown streaks on the backs and gotten a little hairy - streaks and hairs parallel with the long axis of the leaf. The leaves formed normally. Then about a week or so ago the crowns were coming out black.

    You can see the streaks in some pictures of aliciae that others have posted.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

  6. #14
    Tropical Fish Enthusiast jimscott's Avatar
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    Quote Originally Posted by [b
    Quote[/b] (vft guy in SJ @ Dec. 17 2006,5:17)]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
    Yes, that's exactly what I have been experiencing! Thanx!

    Mine is sitting, along with a bunch of other sundews, in a plastic storage container, open tray, with a fluorescent light over them. Happens only in the winter.

    It can stand for being in a larger pot.

    It's the ONLY sundew doing this.

  7. #15
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    my aliciae does it as well, dunno what it means. mine isnt exactly the healthiest sundew either =(
    if i were ruler of the world, anyone who defined a nepenthene as a "companion plant" to orchids would be fired from a cannon atop mt. kinabalu.

  8. #16
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    Quote Originally Posted by [b
    Quote[/b] (jimscott @ Dec. 19 2006,8:33)]Yes, that's exactly what I have been experiencing! Thanx!

    Mine is sitting, along with a bunch of other sundews, in a plastic storage container, open tray, with a fluorescent light over them. Happens only in the winter.

    It can stand for being in a larger pot.

    It's the ONLY sundew doing this.
    Open tray means not in a terrarium? I wonder if it is a "dormancy" thing. What are your temps like?

    Mine are in an unheated terrarium, fluorescent lighting. Temps have been dipping down to the mid-low 60's at night and high 60s low 70's during the day. I normally do not heat the room the terrarium is in until the room temp dips to the low 60's. Today was the first time I turned on the heat (about 68F).

    A black coating would absorb more heat from solar energy so maybe they do that to try to warm up
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

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