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Dendrobium Magenta Magic

Discussion in 'Orchid Hybrids' started by wpinnix, Apr 16, 2014.

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  1. wpinnix

    wpinnix William Pinnix

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    A primary hybrid between Dendrobium cuthbertsonii and goldschmidtianum. I wasn't able to get to it before the slugs. This cross is extremely variable, this is by far the best clone I've seen. Colors seem to be either orange or magenta on plants 2-4 inches tall. Most flowers are the size of standard cuthbertsonii.....this one is the biggest I have. IMG_20140416_135019.jpg IMG_20140416_134937.jpg IMG_20140416_134919.jpg
     
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  2. Marni

    Marni Well-Known Member Staff Member Supporting Member

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    Great hybrid!
     
  3. ZWUM

    ZWUM Bulbophiliac Staff Member

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    Very nice. I'm digging the moss laden pbulbs.
     
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  4. Marni

    Marni Well-Known Member Staff Member Supporting Member

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    I could send you a lot of that moss if you're interested. :rolleyes:
     
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  5. RosieC

    RosieC Member

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    Gorgeous!
     
  6. bio_orchids

    bio_orchids New Member

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    Beautiful flower.
     
  7. DPfarr

    DPfarr Well-Known Member

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  8. wpinnix

    wpinnix William Pinnix

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    Yes, these are from Blaine. I am foster parenting them indefinitely for breeding purposes.
     
  9. DPfarr

    DPfarr Well-Known Member

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    Ha, you're the person we were talking about at the SF show!

    Any luck with pollination? Mine seems sterile as dirt. Doesn't breed to others, with other pollen, nor itself. I've tried to remove and store the pollen a couple days (in effort to mimic bird pollination). Nothing! I've got an appointment with a friend to put a sample through flow cytometry to find out if it has some terrible ploidy. I'd love to have a sib cross of this or be able to make more hybrids. I'll keep you posted with a chromosome count of mine (of the same batch).
     
  10. Marni

    Marni Well-Known Member Staff Member Supporting Member

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    I suspect there are plenty of D cuthbertsonii around with other than 2N ploidy.
     
  11. DPfarr

    DPfarr Well-Known Member

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    It was my speculation that either a) it is an amphidiploid that does not behave like a diploid or b) it has unreduced gametes and a fractional ploidy.

    I know there has to be some cuthbertsonii that did not fully convert and are variable chromosome numbers. Bob has done counts on some of the newer lines and has some confirmed 4N. Unfortunately, I'm sure there are a fine few that are euploidic, such as this population of Magenta Magic that I feel Staal probably treated with oryzalin right?
     
  12. pacome

    pacome Active Member

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    I have 4 clones of this batch. one of them is especially vigorous, and I've bred several times with it, as a seed parent (doesn't work as a pollen parent), pollinated with cuthbertsonii pollen. The pods develop well, the amount of seeds inside is decent, but never great. Germination if fair, not excellent, plantlet development is more proliferative than , for example, pure cuthbertsonii, but still, I have some decent plantlets out of flask of this MM x cuthbertsonii cross.
    There is something more to say about this cross. Gerardus never managed to remake the cross, and all 4 plants I've here have such a strong purplish flush to the leaves, and so big flowers, mostly orange or yellow/orange bicolor... I can't help thinking there has been some mix up, at some stage of the flasking, with another of Gerardus's cross, D. obtusisepalum (chrysopterum) x cuthbertsonii. The result of this cross should much better explain the plant/flower type I observe on my 4 clones. The plant from this post, has such a vibrant purple, and big flower, I would assess it to another one of these Peninsula Hybrids crosses, sulawesiense x cuthbertsonii. But that would again involve a lot of mess/mix up, so that's just a feeling, no proof.

    For those willing to breed with cuthbertsonii primary hybrids, I have obtained pods, seeds, plantlets of the following, back crossed with cuthbertsonii pollen ( using their pollen has always been futile):

    victoria regina x cuthbertsonii (Flower baby) x cuthbertsonii
    prasinum x cuthbertsonii (Gina Perlite) x cuthbertsonii
    miyakei (?) x cuthbertsonii (Magenta Magic) x cuthbertsonii
    ceraula x cuthbertsonii (Misty Magic) x cuthbertsonii
    aphanochilum x cuthbertsonii (not yet registered) x cuthbertsonii (pods maturing)
    sulawesiense x cuthbertsonii (not yet registered) x cuthbertsonii (pods maturing)

    all attempts to pollinate cuthbertsonii x laevifolium (Aussie Hilo) and cuthbertsonii x bracteosum (Nagomi) with cuthbertsonii pollen have failed up to now.

    Laurent
     
  13. Marni

    Marni Well-Known Member Staff Member Supporting Member

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    I never heard Gerardus mention converting anything. I don't think he ever did it.
     
  14. wpinnix

    wpinnix William Pinnix

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    Thank you for that information Laurent, it us very helpful. What is your seed pod maturity in days? Also, do you have a common goal in breeding like ease of culture, or small plant big flowers, or another goal?
     
  15. DPfarr

    DPfarr Well-Known Member

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    I had very much wanted to put either my Aussie Hilo or cuthbertsonii x prasinum (Gina Perlite) to my Magenta Magic. Zero success both ways.
     
  16. pacome

    pacome Active Member

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    For whatever reasons, it seems that hybrids between widely different species, tend to be partly female-fertile, but very poorly male fertile.
     
  17. DPfarr

    DPfarr Well-Known Member

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    Have you had any success in hybrid selfing?
     
  18. DPfarr

    DPfarr Well-Known Member

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    I wanted to get it into a full flower as a specimen before I tear it apart.

    [​IMG]
     
  19. Marni

    Marni Well-Known Member Staff Member Supporting Member

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    Beautiful, Daniel. But what is it?
     
  20. DPfarr

    DPfarr Well-Known Member

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    A Dendrobium Magenta Magic