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Post by stifflermichael on Oct 4, 2007 4:09:48 GMT
Here's the pic of the first seed I successfully germinated, taken on July 26, 2007: The green part is clearly the leaves of the plant, having a star-like appearance. The little brown proboscis-like thing with the black tip I'm guessing is a root. I've had been getting seed from plants for several months, after I squeezed a pod where there used to be flowers...and I was surprised when 5 or so black seeds spilled out. I've been collecting some in a tray of water, and I started leaving them outside in the sun. After one week, the seedling put out its first traps. I've collected quite a bit more seed, and have had more sprout.
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Post by pinglover on Oct 5, 2007 1:29:26 GMT
Remarkable. I've never seen Aldrovanda seedlings before. Thank you for sharing your photos.
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Post by BarryRice on Oct 5, 2007 15:12:52 GMT
Wow. Your success really is remarkable. You are correct that the little stub is a root. It is the only root that Aldrovanda ever makes. After that, it is forever rootless.
Really a remarkable success you have with your plants. I don't recall reading of anyone else regularly producing seed in cultivation, although I wouldn't be surprised if folks like Breckpot or Adamec or Darnowski have done it.
Cheers
Barry
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Post by stifflermichael on Oct 5, 2007 22:33:02 GMT
Thank you both for your nice comments. I'm sure others who have lots of Aldrovanda plants, with many flowering, are likely producing seed also. I wonder though if the seeds are germinating within their system, very likely I think. My goal now is to get the plants to grow past the seedling stage. Also, I would like to be able to germinate the seeds indoors in the aquarium. The seeds I've had success with so far have all been germinated outside in full sun. Have you seen my other post? icps.proboards105.com/index.cgi?board=aldrovanda&action=display&thread=1191470579I'm considering writing up my methods for cultivating Aldrovanda indoors in aquariums, and the successes I've had getting the plants to flower and produce seed using these methods...then submitting to the CPN. In your opinion, would this be something the CPN would consider publishing?
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Post by Deleted on Oct 6, 2007 0:44:26 GMT
wow now this is awesome to here about
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Post by rsivertsen on Oct 6, 2007 1:29:19 GMT
Very nice indeed! But I've had seed germinate several years ago, with the Japanese green forms, after harvesting them in late October, and then placing them in white paper towels with pond water, and having them set by an Eastern window sill until early March when I first saw the hypocotyl emerge, and then the stem and new traps before releasing them into their pond again. The hypocotyl never produces a root, but withers away as the stem produces more axils. It seems that they self-pollinate. Mine have only produced two or three seeds per seed pod and they are nearly indistinuashable in size and form from Dionea (VFT) seeds, as you can see here. It would be interesting to see if it can cross-pollinate with Dionea. Lubomir Adamec and others have indeed had seed germination of the red Australian forms and have the images posted in the web site: bestcarnivorousplants.com/aldrovanda/photogallery.htm, not to undermine this accomplishment, just stating the facts. This setup, although sucessful, seems rather labor intensive to me, and the strands have been much redder in color for me when they grew in this pond in full, direct natural sunlight, where the entire strands were solid red-pruple to crimson red; still, kudos, and well done, for getting them to grow in an aquarium for more than one full year!
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Post by ICPS-bob on Oct 6, 2007 2:13:59 GMT
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Post by rsivertsen on Oct 6, 2007 2:47:17 GMT
Thanks Bob for the reference, but that year, I had both go to seed, and upon my observations, they were nearly indistinguishable from each other; just my observations at that time, with what I had.
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Post by stifflermichael on Oct 6, 2007 3:14:53 GMT
Kinda figured I wasn't the only person who had my Aldrovanda plants regularly produce seed!
Comparing this setup to a large pond, yes, it is more labor intensive. What is required is weekly water changes, and pruning of aquarium plants. A bit more work than your average CP perhaps, but about what you expect for a healthy aquarium.
I never considered I had a red Australian red form, is this the only type from Australia? Or at least, the only tropical form?
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locko
Full Member
Posts: 148
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Post by locko on Oct 9, 2007 1:44:23 GMT
I am amazed great work. Seed I got never did anything.
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Post by sarracenialover on Mar 7, 2009 4:16:53 GMT
no, other tropical forms exist in the botswana african form and darwin and kimberly.
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