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Thread: Promoting multiple offshots?

  1. #9
    Tony Paroubek's Avatar
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    Parasuco - Most likely what you are seeing is shoots coming from stem that is under the surface. Even on fairly young plants there will be some amount of stem material that is below the surface. Usually there will be roots growing from it. It is very common to have shoots develop from there as they are farthest from the auxin source and closest to the cytokinin source.

    Joachim - Interesting observations as well. I suspect that if you remove the offshoot you will find it will develop more slowly as it will need time to build its own root system. Keep in mind that usually an offshoot can not only draw on the parents root system but any leaves remaining on the main stem. Perhaps by removing an offshoot when it is sufficient size for rooting and is still in the rosette stage, you can prolong the time before it reenters the climbing stage and upper pitcher production.

    I will hypothesize also that a plant with two or more equally sized growing points does grow more slowly because cytokinin produced in the roots is now going to two or more shoot tips. Remove one and you increase the amount of the cytokinin traveling to the remaining growth point. Perhaps what might help is giving such a plant a larger room to grow roots, thereby giving it a chance to produce more cytokinin for both shoots. Of course one then has to be cautious of overpotting and root rot.
    Tony
    Is that a Nepenthes in your pocket or you just happy to see me?

  2. #10

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    I figurd that it was coming form the stem somwhere, I just puleld the moss down a bit to really see, it is down low though. But yea. I'm quite pleased! Hehehe...

  3. #11
    Guest
    I guess that's why it's a good idea to regularly prune your plants [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img] .

  4. #12
    Nepenthes Specialist nepenthes gracilis's Avatar
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    Hi I thought this might help somebody out.
    Here's what my N.Ventricosa did when I cut it.
    Circled in RED is the place where I cut the stem.
    Circled in YELLOW are the new shoots, two near the cut and 1 basal rosette.

    [img]http://home.**********.com/nepenthesgracilis/Picture%20559.jpg[/img]

  5. #13

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    Very succinct explanations Tony.

    There's a place I love in Brunei, Borneo where there's an enormous female bicalcarata growing on a roadside bank. She scatters her seeds oll over the surrounding area and there are literally thousands of seedlings and small plants within a small radius (not to mention some rather funky looking hybrids&#33[img]http://www.**********.com/iB_html/non-cgi/emoticons/wink.gif[/img]. The grass in the 12' or so next to the road is regularly cut with a strimmer by the Government to a height of about 6". All the young Nepenthes in that area therefore get regularly decapitated. Firstly they turn into little bushes with every node growing. Then finally they give up trying to reach for the sky and produce horizontal runners rather like a strawberry, even though this phenomenon isn't usual in plants of that species.

    So, the point is that regular pruning can produce really interesting looking compact plants. We now decapitate all our lowland species when they get too big to ship and end up with better plants as a result.

    I've tried that Kiki Paste, but it didn't work for me.
    Rob Cantley
    Nep Nut in Sri Lanka
    http://www.borneoexotics.com

  6. #14

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    Arrow

    Beeee.... the bug. nick the growing tips! Thats just what everyone else was saying but simpler to read, lol.
    There is no item greater in value than life, for without life value would cease to exist.
    My Grow List

  7. #15
    Tony Paroubek's Avatar
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    True.. although Nepenthes can be finicky and sometimes just nicking the bud off only produces a single new shoot. There might be other reasons for not wanting to keep cutting back a vine also.. Trying to get upper pitchers or flowers perhaps.
    Tony
    Is that a Nepenthes in your pocket or you just happy to see me?

  8. #16
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    Looking at my N. sanguinea today, I saw that it has THREE offsshoots forming. I don't know why though. I haven't even cut it yet. Guess it will be further ahead when I do cut it though [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img] .

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