Re: HYB: Wide Crosses / Small Pods
- To: iris-talk@onelist.com
- Subject: Re: [iris-talk] HYB: Wide Crosses / Small Pods
- From: D* K*
- Date: Sat, 29 May 1999 15:58:05 -0400
From: Dennis Kramb <dkramb@badbear.com>
Cindy, I missed your original post, but I wanted to let you know that I got
a decent sized pod on ALENE'S OTHER LOVE from the Andromache pollen you
sent. If I had to guess it probably contains 3 or 4 dozen seeds.
Sharon, I'm really pleased to get this info from you on wide crosses. I
made quite a number of them myself this year and some of them appear to be
forming nice plump pods. I'll be sure to plant them right away if I get
good looking seeds.
I got some seeds from SIGNA from a wide cross (I. prismatica x I.
douglasiana) and they're germinating nicely. I sure hope I can manage to
keep them alive until maturity!
Dennis
>>Unfortunately, our seed set on
>Andromache shriveled to nothing, and all of the pods we got with its pollen
>are very small. But, we were told to expect that, because it is a diploid.
>We are really hoping for a few viable seeds from it. Thank all of you on
>this list who did so much to help Stephanie with her hybridizing efforts
>this year, with advise, pollen and plants!<
>
>The secret to success with small pods from wide crosses is to harvest them
>when they turn brown [they may not split on their own] and culture the
>seeds immediately. Seeds are often small, and not viable if dried and
>planted the usual way. [One reason wide crosses are often deemed futile.]
> A seed that has a viable embyo but insufficient endosperm can be saved if
>processed when fresh, either by embryo culture or enhanced germination
>techniques.
>
>Please see the archives for more information on this.
>
>Sharon McAllister
>73372.1745@compuserve.com
>
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