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Re: New project

  • Subject: Re: [iris-photos] New project
  • From: "Francesca R Thoolen" <irisgirl2@home.com>
  • Date: Wed, 11 Jul 2001 06:29:49 -0700
  • Content-Length: 2346

Martin, You may want to check with Harald Mathes in Germany. He has used I.
mellita in his crosses in several instances.
I had some which I used from his stock and have since sent them on to others
since I only concentrate on arilpums now. You may also want to try Stephanie
Rust. She is also interested in using I. mellita.


----- Original Message -----
From: <martweb@gmx.net>
To: <iris-photos@yahoogroups.com>
Sent: Tuesday, July 10, 2001 11:52 PM
Subject: [iris-photos] New project

> Crossing of TB with Iris species could lead to positive effects. For
> example crossing of TB with aphylla leads to reblooming, crossing
> with reichenbachii to more robust ones for cold areas. I had a look
> at all species with 2n=24 or 4n=48 and found that melitta
> (suaveolens) could introduce new genetic material into the Iris
> flower. As far as I know it wasn't used for crossings. I myself only
> have a small garden, so I am looking for people who also want to help
> in this project. You do not have to know much but only have to have
> Iris melitta (suaveolens) in your garden. Start and cross melitta
> (suaveolens) with a modern TB. This kind of cross has one problem.
> Because melitta (suaveolens) is diploid and the modern TB are
> tetraploid, most of the seedlings will be triploid and therefore
> steril, only very few seedlings will be tetraploid and fertile. You
> can check this by looking at the polls. The triploid have only very
> few or no polls whereas the tetraploids have much more polls. So the
> first step would be to get as many seedlings as possible. Do not
> expect to get anything interesting in the first generation (F1) and
> keep all fertile plants. The interesting plants will be found only in
> the next generation (F2) when you cross the sister seedlings. Please
> also help to make this project possible.
> Thanks
> Martin
> (martweb@gmx.net)
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