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Thread: U. tricolor

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    BobZ's Avatar
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    My U. tricolor has begun to send up multiple scapes, some of which have flower buds starting. This is the first time this plant has threatened to flower for me. [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]

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    Nice work. Any ideas on what triggered this miracle?

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    I did it 20 years ago, and I am still bragging about it Bob! Now just hope the scapes don't abort. Congratulations, and please let us know what conditions you have that allows for this mind bending event - it wasn't human sacrifice was it? I figure I've tried everything but that!
    "Grow More, Share More"

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    Here is what happened, but DO NOT TRY THIS AT HOME!
    Last fall, this U. tricolor had been growing vigorously and completely filled a 6-inch pot, forming a large mound that spilled over the sides of the pot. Then in December it became infested with the worse case of thrips that I have ever seen. The pot was in an area where we do not allow the use of pesticides so we tried to control the thrips with parasitic wasps. The poor pot was a mess of dead leaves until February when new leaves began to emerge. Now, about half of the surface has new leaves emerging through the mass of dead leaves and about 10 or so scapes.

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    Great Scott! Possibly an environmental response to the disturbed stolons? Well, maybe I will mess up my plant and see if it makes a difference. How wet are you keeping yours?



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    The 6-inch pot is sitting in about 1-inch, more or less, of water in a 3-ft x 4-ft tray along with a bunch of pots containing a variety of CPs. Student assistants are told to not water the CPs from above, but who knows what actually happens. Sometimes the tray becomes dry for a day or so before someone notices and adds water.

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    Aaaaaaaaaaaaahhhhha! I am growing mine almost as an aquatic. I have been less than happy with the growth, and have been on the verge of trying a drier medium. I'll bet the drying off had something to do with the trigger :-) Then again, I might be jumping to conclusions, but wouldn't it be great to finally evolve a reliable strategy for flowering this species that doesn't include Astrology?
    "Grow More, Share More"

  8. #8
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    I still think that temperature and day length is the key to flowering difficult utric species. People with greenhouses always seem to be abe to get difficult plants to flower.

    I bet you could look for information on orchids that grow in similar habitats, and find some good advice.

    BTW How come I don't have to log in to post in this forum?

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