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Thread: Why hasn't the D. Regia x Dionaea hybrid been attempted again?

  1. #25

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    >It might be possible considering that Drosera regia's closest relative is Aldrovanda.

    This doesn't appear to be true. With no disrespect to Rivadavia et al, in the rbcL MP tree, it's important to notice the low bootstrap support for the regia/aldrovanda clade ,the arcturi/rest of drosera clade, and the split between these two clades. The rbcL data simply don't strongly support the hypothesis that Aldrovanda and regia are sisters in a single clade, and the authors note that Aldrovanda and Dionaea show up as sisters in their larger dataset, with much higher bootstrap support. The same authors report different chromosome numbers for D. regia and everything else in the family, so this is probably a good reason to doubt that regia can be viably crossed with anything in the family. ('X and Y are different genera' is a less compelling argument, just ask the Laeliocattleya breeders.)

  2. #26
    BS Bulldozer SubRosa's Avatar
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    Quote Originally Posted by mikewilder View Post
    >It might be possible considering that Drosera regia's closest relative is Aldrovanda.

    This doesn't appear to be true. With no disrespect to Rivadavia et al, in the rbcL MP tree, it's important to notice the low bootstrap support for the regia/aldrovanda clade ,the arcturi/rest of drosera clade, and the split between these two clades. The rbcL data simply don't strongly support the hypothesis that Aldrovanda and regia are sisters in a single clade, and the authors note that Aldrovanda and Dionaea show up as sisters in their larger dataset, with much higher bootstrap support. The same authors report different chromosome numbers for D. regia and everything else in the family, so this is probably a good reason to doubt that regia can be viably crossed with anything in the family. ('X and Y are different genera' is a less compelling argument, just ask the Laeliocattleya breeders.)
    Taxonomy is the diaper used to organize the mess of evolution into discrete packages" - M.Sandel
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  3. #27
    Hello, I must be going... Not a Number's Avatar
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    It doesn't matter how closely "related" the genus are if there are not enough compatible genes fertilization is not going to occur. Or if it does the prospect of viable offspring is very very small.
    Grand Hotel... always the same. People come, people go. Nothing ever happens.

  4. #28
    DonH's Avatar
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    And then we have the mule...

  5. #29
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    i hear you can only propagate mules via cuttings

  6. #30
    zesty. BioZest's Avatar
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    Getting back to the point... has there even been any real documentation of an attempt at this? That might be a useful place to start.

  7. #31
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    Quote Originally Posted by BioZest View Post
    Getting back to the point... has there even been any real documentation of an attempt at this? That might be a useful place to start.
    It was but apparently all links of it have expired :/
    Formerly known as WaterKirby.

  8. #32
    Plant Whisperer Bio's Avatar
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    If you tried it would probably end up like a Darlingtonia x Sarracenia cross and you would wind up with a lot of nothing.
    Last edited by Bio; 04-22-2014 at 02:47 PM.

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