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Author Topic: Deuterocohnia longipetala self sterile?  (Read 1224 times)
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sdandy
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« on: September 14, 2010, 08:21:26 »

Has anyone else tried to set seed on their Deuterocohnia plants?  I have tried for two years now on my longipetala with no luck.  The only time it will set seeds is if it is crossed with something.  I also haven't been successful with the smaller species either.  Has anyone else had luck getting self set seed on any Deuterocohnia species?
-andy
« Last Edit: December 15, 2010, 23:41:11 by sdandy » Logged

sanga
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« Reply #1 on: December 27, 2010, 11:35:11 »

Hi sdandy
    I have had no success with selfing on longipetala only xing with lorentziana which I got seed to germinate could not get it much further due to it being very weak.
         Seed has also formed on lorentziana x longipetala which did germinate and I still have one small seedling.
       I have also selfed brevispicata and sold small plants to a couple of locals over here(how are they going Kez and Shane?) Wink
   Tried this year to x longipetala with H.Tillandsioides and any Dyckia in flower with no success.
      Hope this helps sdandy
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« Reply #2 on: December 27, 2010, 18:27:06 »

Cool thanks for the response and confirmation Sanga.  The lorentz x longipetala had four seed pods for me.  I planted them all and all germinated.  But due to various things (cats knocking over a box, partner stepping on a box, etc) I am down to one batch.  It has been ridiculously slow growing for me (as are almost all seeds for me), but just recently has started to show notable growth.  Here is a picture of the seedlings.  I think they are over two years old.

I also crossed Puya laxa with some Deu. longipetala pollen this year (as well with Dyckia pollen).  The only pods to set seed were the ones I crossed.  I just collected the seed a bit ago and should probably plant them.  Hopefully they will be hybrids and not induced self-pollinations, but time will tell.
-andy

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« Reply #3 on: December 27, 2010, 18:28:28 »

Oh, oh, oh....I almost forgot...since your H. tillandsioides bloomed recently...is it a center bloomer or a lateral bloomer?
Thanks,
-andy
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« Reply #4 on: December 27, 2010, 22:46:16 »

Andy, Those sure look fat and happy as compared to my Dyckia seedlings. They look very
wide and sure will be interesting to see how they turn out.
I always got outbid on plants on Ebay so have got seed from some members and am excited about what turns out!
I guess it's always a crap shoot even if you know what you're doing....Good luck!

Max
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« Reply #5 on: December 28, 2010, 00:12:58 »

Yeah, I have been pretty fascinated by the seedling habits of these.  Very tight and compact habit compared to my Hechtia and Dyckia seedlings I have going.  I'm hoping that the lorentziana clumping habit will dominate, but maybe with a bit bigger individual rosette than the lorentziana.  And I wouldn't complain if the spike would stick out a bit more also.
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« Reply #6 on: December 29, 2010, 11:57:13 »

  Checked out my h.tillandsioides today and it is a central bloomer..Does that comfirm anything??
     


  Here is the small seedling that I mentioned earlier..

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« Reply #7 on: December 29, 2010, 17:10:15 »

Thanks Sanga, it was my speculation that it is a center-bloomer.  The clumping habit and level of symmetry seemed more like that than a lateral bloomer.  And for some reason, I couldn't find any reference on that trait of its blooming habit.  Did you happen to take pictures?  I'd enjoy seeing your plant.

And the seedling is looking good.  I can't wait until mine get to that size.
-andy
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« Reply #8 on: December 30, 2010, 03:15:12 »

Wow, I just re-read where you said that was 2 years! ...growth. That is slow. I was reading on a Thai blog where someone showed side by side
seedlings where one was 4x as large and he was saying to take them out of the starting mix and put them in a more coarse normal mix to make them take off.
Maybe experiment with one or two to see if putting in a different coarse mix might make them go faster. Just a thought as I am so very new to this.
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« Reply #9 on: January 22, 2011, 10:30:07 »

Hi Andy
   Sorry for taking sooo long to reply,only just found the picyures while looking for something else..
   Not so clear but you get the idea..
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« Reply #10 on: January 22, 2011, 10:33:00 »

   And.....
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« Reply #11 on: January 22, 2011, 16:47:13 »

Thanks Sanga, are those the Hechtia tillandsioides flowers?  Good job getting the anthers in focus.  Tough to do.
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« Reply #12 on: February 15, 2011, 18:14:08 »

Ah, just after I posted the seedling pictures they started to take off.  Either they finally responded to the bottom heat or waited for the daylight to start lasting longer.  But they have grown noticeably since then, the larger ones at least doubling in size...
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« Reply #13 on: February 15, 2011, 21:12:21 »

Hi Andy,

I'm just curious about the little round white things between the seedlings, are they fertilizer prills? I would have thought they would burn the seedlings if they touched them.

All the best, Nev.
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« Reply #14 on: February 16, 2011, 05:12:16 »

Yup Nev, they are slow release balls.  The terrestrials don't seem to be as phased by that type of thing as the Bromelioideae plants from what I have seen.  I still try to keep them from touching but clearly I'm not that fastidious about it.
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