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Thread: Original D. x obovata ‘Ivan’s Paddle’

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    Original D. x obovata ‘Ivan’s Paddle’

    I created this cultivar of a tropical growing fertile tetraploid D. x obovata. My manmade hybrid is unique and of scientific interest because the natural triploid hybrid is sterile, unable to produce viable seed. Originally, my hybrid was slightly fertile. Mysteriously, over several generations, fertility was completely restored. Also, the first generation plant had a bit different leaf shape. The juvenile leaves were very round as in the rotundifolia parent, and later, upon maturity, the leaves became paddle shaped.

    I gave away all my first generation plants years ago. Recently I met Bluemax who had the original form here on Terraforums. He got the plant from another member, not-a-number who I gave it to. Thanks to these guys and Terraforums I got the original again. Beautiful plant; great to get it back!
    Attached Thumbnails Attached Thumbnails -ivans-paddle-1-21-20-jpg  

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    Lotsa blue bluemax's Avatar
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    Fascinating that the hybrid developed full fertility from partial. An undescribed evolutionary process, perhaps?
    - Mark

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    Yes, a possible Nobel Prize for someone there.

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    hcarlton's Avatar
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    Genetic recombination, random alignment of the right set of chromosomes/gene arrangements for fertility to return without nondisjunction and gamete breakdown.
    Everything has a reason, whether big or small. Never underestimate the power of what is or is not.
    There is far more to everything than meets the eye.
    Growlist

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    Quote Originally Posted by hcarlton View Post
    Genetic recombination, random alignment of the right set of chromosomes/gene arrangements for fertility to return without nondisjunction and gamete breakdown.
    Thanks for your thoughts. The fertility increased gradually over several generations.

  6. #6
    Admin- I'm growing CPs in the Desert of Tucson, Az. adnedarn's Avatar
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    That's so cool! I love it when I'm able to locate a plant I've lost, and that's just a plant I've owned and not one I created. I can't even imagine the excitement of locating a plant with such certainty is the one I created!
    -Andrew
    Owner of TerraForums, FlyTrapShop.com, and cpforums.org.
    Support FlyTrapShop, support TerraForums! www.flytrapshop.com

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