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Thread: D. falconeri leaf cutting

  1. #9
    RL7836's Avatar
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    Quote Originally Posted by [b
    Quote[/b] ]Now I'm confused. What was so different in your setup to get zero strikes to 5 out of 6? The lack of light?
    Zero success setup:
    - dedicated tank w temps 103-105*F
    - cuttings in distilled H2O in a small plastic multi-compartment box w/ lid approx 5" from lights (all lights are from AHSupply.com)

    5/6 strikes setup (attempt to mimic JanW's setup exactly):
    - cuttings placed in distilled water in ziplok bags
    - ziplok bags placed on cheap (thin) paper plate on one end of fluorescent light fixture (on top)
    - light fixture is on top of a tank in an east-facing window (gets a few hours of AM sun) - so the ziplok bags got a few hours of direct sun per day and the rest of the day got diffused light

    The bottom line is I'm not sure what changes definitely created better conditions. Less light and lower temps may have been significant but based on a temp probe under the ziploks - the temps peaked at about 107-108*F in the AM sun and later decreased to 93-95*F in the afternoon (difficult profile to duplicate if it's found to be significant).

    If I can find the time to create another [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_k_ani_32.gif[/img] new setup, I'd like to set up a tank under normal (48" dual shoplight fixture) with an easy-to-vary heat setup. With the new setup, I'd like to vary temps and light intensity and attempt to optimize propagation parameters for these plants. Forbes has had tremendous success propagating almost all species in this complex (both glabrous and pubescent). We need to incorporate his knowledge / experience into this process.

    In general, these plants can be difficult:
    - to grow
    - to propagate
    - to get thru dormancy
    - to get to produce seed

    Each step that we can simplify to a step-by-step process will allow more people to grow this group of plants. They are far too diverse and intriguing a group to have so few people growing them [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_n_32.gif[/img]. If most of the people who now want D. falconeri's got them, most of the plants would be dead in a few months... [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_k_ani_32.gif[/img] ... a travesty...
    All the best,
    Ron
    You must do the thing you think you cannot do. --- Eleanor Roosevelt

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    Quote Originally Posted by [b
    Quote[/b] ] If most of the people who now want D. falconeri's got them, most of the plants would be dead in a few months... ... a travesty...
    So are you saying these sundews are hard to grow? How hard....?

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    I forgot to ask...Where did you guys originally get your D. falconeri?

    I've been looking everwhere online and I can't seem to find ANYWHERE that sells these plants!

  4. #12
    RL7836's Avatar
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    Quote Originally Posted by [b
    Quote[/b] (LLeopardGGecko @ Nov. 15 2005,12:05)]
    Quote Originally Posted by [b
    Quote[/b] ] If most of the people who now want D. falconeri's got them, most of the plants would be dead in a few months... ... a travesty...
    So are you saying these sundews are hard to grow? How hard....?
    Some people find them 'easy' and others - virtually impossible. I won't pretend to be able to summarize the many posts (here & cpuk) on these plants.

    Most of the people here know of Tamlin's ability to grow Drosera. Here's one of his old posts:
    Quote Originally Posted by [b
    Quote[/b] ]I find that some bottom heat for germination works well with nearly eveything (exceptions being the Australian tuberous and South African winter growers). Others have said they got good Petiolaris complex seed germination under normal temperatures. It probably all depends on the color of your thumb anyways!

    I sure wish they did grow faster. It seems like there is no generalizing about growth rates though. I had a D. ordensis seedling that went from a 3.5 cm baby rosette to a lush full plant filling a 4 inch pot in a matter of a couple of months. My D. dilatato-petiolaris grew huge quickly, then split into 8 plants, then went dormant, and died. Some sit there looking great, but not growing much at all. I have had 3 traps unfold over night in D. darwiniensis, but D. petiolaris shrunk from a full rosette of many arms to a ghost of itself after flowering. Now it is returning with 4 offsets: all of which look small and frail. I find them hard to generalize about. Mine have survived being frozen solid, and baked to where all the arms withered both in the same year.

    The longer I grow them, the more I am convinced that they are very locked into a cyclic seasonal growth pattern very much photoperiod related. Their growth is a spiral dance outwards, and then back inwards as the days get shorter. More and more I begin to question the wisdom of forestalling dormancy in these plants although it is true that they will forego it if they have enough light, warmth and moisture. I just feel that they want something more natural, and they sort of "see through" whatever photoperiod I provide. Even with my current 18H photoperiod, the spiral effect is noted in my plants, almost like they were ignoring the puny flourescent lights in favor of the sun. The arms are spiraling downwards, getting smaller and it reminds me very much of pygmy gemmae formation.

    I have only grown these plants for 2 years, but this is how they are speaking to me. They seem to be very responsive plants, and they communicate what they do and do not like fairly evidently and quickly unlike some other plants which one moment are great looking and the next withered memories (Heliamphora come to mind here [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_h_32.gif[/img])
    All the best,
    Ron
    You must do the thing you think you cannot do. --- Eleanor Roosevelt

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  5. #13
    RL7836's Avatar
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    Quote Originally Posted by [b
    Quote[/b] (LLeopardGGecko @ Nov. 15 2005,12:14)]I forgot to ask...Where did you guys originally get your D. falconeri?

    I've been looking everwhere online and I can't seem to find ANYWHERE that sells these plants!
    Trades &/or Lowrie seed. There was a recent group of posts on Omnisterra on this topic. There was one for sale a few weeks ago on eBay and another for sale currently.... get your wallet out... [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/confused.gif[/img]

    btw - I still do not grow this species... [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_h_32.gif[/img]
    All the best,
    Ron
    You must do the thing you think you cannot do. --- Eleanor Roosevelt

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  6. #14

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    So they're very expensive... [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_h_32.gif[/img]

    Oh well, maybe I'll grow them someday.

  7. #15
    Norhtern Michigan Dragway Mama *Barracuda_45*'s Avatar
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    Quote Originally Posted by [b
    Quote[/b] (jimscott @ Nov. 14 2005,5:29)]Oooooh..... aaah! Beautiful plant!
    [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_k_ani_32.gif[/img] WOW!!!! Droooooooooooling now what a very stunning and beautiful plant... [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile.gif[/img]
    Hey buddy wana run, LETS GO!
    Northern Michigan All Car Drag Team *PRESIDENT*
    Red Hot Cherry's "NEW" PB 8.741 GO CHERRY! & "5" 1st place trophy wins 9 sec class.
    www.nmacdt.com

  8. #16
    RL7836's Avatar
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    As an addendum to my previous post on propagation: When I tried to mimic JanW's method and got 5/6 strikes in distilled water - I also set another ziplok next to the distilled water one. Only this one was filled with soggy live sphagnum moss and 10 cuttings. This ziplok only had 1 strike.

    While one test is obviously not conclusive, I'll probably focus more effort on the distilled water side than the sphagnum moss side.

    Also, just before I wrote the original post, I pulled several leaves from a mature D. paradoxa (3 leaves in one clump and 3 singles) and placed them in a small test tube of distilled water and put them on top of a lower light fixture. While the temps seem to run hotter on this fixture (103-110*F), the only light it gets is residual fluorescent from a tank higher up (and a small amount of window light through other tanks). So far, the clump has one strike and it looks like 2 of the 3 singles also have strikes. [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smilie4.gif[/img]
    ** edit on 11/28/05 - looks like the 3rd one also sprouted (my 1st 100% group!!)
    All the best,
    Ron
    You must do the thing you think you cannot do. --- Eleanor Roosevelt

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