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Thread: Nepenthes villosa

  1. #17

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    Hi together,

    does someone know, who introduced N. villosa into invitro (=cultivation) or if seed has been collected more than once ?

    Maybe there are clones from different origin (altitude) in cultivation which can tolerate more or less heat ?

    I have the same clone as Joachim (thank you ;-) ) and my plant's pitchers (very small &#33 turn completly red under bright artificial light (high pressure sodium). Is this usual ?
    I also grow mine under to warm conditions

    Jeff, do you grow your N. villosa with a spezial "treatment" or in a separte enclosure where it gets 3C at night ?
    How do you reach such low temperatures ?

    (I'm waiting for your homepage-updates, too ;-) )

    Martin

  2. #18

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    I am not entirely sure who introduced N. villosa into cultivation. Suspect
    that several people have collected seeds, actually, so presume that there
    are many different clones available now, and from a variety of different altitudes.
    However, villosa grows at a minimum altitude of about 2400 m, so regardless of where
    the seeds were collected, it's still going to require cold temps when it gets larger.

    To be brief, when my first specimen was still small, it could cope well with more heat.
    But, as it grew, it slowly began to decline in health. It was at that point that I decided
    to try to provide it with much cooler conditions.

    To accomplish this, I have converted a chest freezer to serve as an ultrahighland
    growing chamber. Inside, temperatures range from 3 C to about 17 C, maximum
    (the maximum is actually no higher than about 15 C in winter, higher in summer).
    This works very well, and I've written an article about it which will appear in the
    CPN (Carnivorous Plant Newsletter) sometime later this year (hopefully).

  3. #19

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    Hi Martin,

    the clone we have isn't very widespread. The guy I got this plant from did put it in vitro from wild collected seed by himself (as far as I know).

    This clone has turned out to be quite unusual producing two new leafes in the last two months which is way to fast from what is said about N. villosa. Sadly I can't show a photo of a pitcher right now because the ********** homepage is still down.

    Joachim

  4. #20
    swords's Avatar
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    Excellent idea! Is there any way to take the chilling motor out of one of these chest freezers (here most people call em a "deep freeze") and fit it onto a terrarium enclosure (larger space)? I need to come up with a better way to do highland cooling cos when winter hits I don't want to run the AC to get these low nightime temps!

  5. #21
    Tony Paroubek's Avatar
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    I don't see why it would not work. I have often thought about taking the evaporator out of a college dorm fridge and putting it into a terrarium.

    Although in the winter time you have all that sub zero air outside. Gotta be a way to utilize that. Maybe a small vent tube with a fan inside to pipe some cold air to the terrarium, along with the humidifier to moisten it up before it hits the plants. The trick I think will be to not turn the terrarium into a deep freeze.
    Tony
    Is that a Nepenthes in your pocket or you just happy to see me?

  6. #22
    fatboy's Avatar
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    Excellent idea Neps!
    I would like to try some serious highland Neps too and that could do it for me.
    I guess you use something like a sheet of clear perspex as the lid?
    How is the humidity in there, I would imagine that the colder it gets the more difficult it would be to maintain any humidity?

    Joachim why not post your pics to www.clubphoto.com, that's what I did with my Sumatra pics?
    I would like to see some pics of your plant.

    I have been to Kinabalu a couple of times.
    Lowii is actually grown in the little garden they have set up at the base of the mountain which is at approx 1500/1600m I think. Wasn't the best example of that plant that I have seen but it was surviving and producing pitchers. There is also a lot of tentaculata along the trail as soon as you begin walking.

    After walking for a few hours you pass an altitude marker, again my memory is hazy but it could well have been 2600m (if Charles told you that then it's almost certainly correct as he's been up that mountain MANY times) and the first few villosa appear within a few metres. After that they are everywhere! The guide told me that lowii doesn't grow at that altitude and I didn't see ANY apart from the couple in the garden.

    Unfortunately I did not get to see any rajah

    Cheers, FB

  7. #23
    Nepenthes Specialist nepenthes gracilis's Avatar
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    I would have LOVED to see a picture of your son next to a huge Rajah.

  8. #24

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    Thought I'd elaborate a bit about what I've done after seeing that there is some interest
    in my approach.

    I removed the lid from a 5.5 cubic foot standard chest freezer, and replaced it with clear
    plexiglass, of about the same size and 5 mm thickness. Inside, I placed a thermostat,
    set so that it would turn the freezer on when temperatures rise above the set point, which
    is 3 C. The freezer itself is plugged into a timer, so that it only turns on and lowers the
    temperature at night. In addition to the thermostat, I've also enclosed a small fan and
    a humidistat which activates it when humidity drops below the desired value.
    This serves quite well to keep the humidity fairly high since the bottom of the freezer is
    watertight, and runoff from the plants collects there.

    Over the enclosure, I've placed a fixture with two 40 W flourescent shop lamps, also on
    a timer, and running opposite the time that the freezer is on. Photoperiod is set for about
    13 hours.

    I've been running this setup for a year, and my villosa's pitcher from every leaf. Currently,
    the largest pitcher is about 5 cm in height, and the largest plant ia about 15 cm in diameter,
    as I may have mentioned in an earlier posting. The plants are very healthy!

    Moreover, this same technique may be used to cultivate other ultrahighland species, such
    as NN. diatas, artistolochioides, lamii, murudensis, etc., keeping in mind that one should
    employ a thermostat setting a bit warmer for some of these than for villosa, since most
    grow at somewhat lower altitudes.

    I should point out that using a freezer directly may be better than tearing apart an old refrig-
    erator, for the simple reason that a freezer is quite well insulated, and this insulation allows
    one to keep the inside (and the plants) quite cool, even in summer, at only modest cost
    for electricity.

    Please look for my upcoming article in CPN for more details. I'll try to post some pics of my
    villosa on my website soon.

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