Re: thornbird crosses

From: z88keys@mindspring.com (L.Zurbrigg)

>From: Bill Shear <BILLS@hsc.edu>
>
>Why would you want to use THORNBIRD in crosses when there are so many more
>superior SAs out there?  I'd go for CONJURATION or MESMERIZER, or one of
>the absolutely stunning Sutton introductions for this year.  THORNBIRD's a
>dog, it's Dykes was a mistake, let's admit it and move on!
>
>What is known of the genetics of horn, spoon and flounce inheritance?
>People are talking as if you can just cross THORNBIRD to another iris and
>get that other iris back, plus a horn.  Seems unlikely.
>
>Bill Shear
>Department of Biology
>Hampden-Sydney College
>Hampden-Sydney VA 23943
>(804)223-6172
>FAX (804)223-6374
>email<bills@hsc.edu>
>Dear Bill:  Quite some years ago Ben Hager was gooing to write up
>Space-Age irises, and was going to say that the trait was dominant. I
>wrote to him encouraging him not to do so. It does not seem at all clear
>if the trait (for appendages) is a clear dominant. But, yes, one can get
>some SA s by crossing with a "normal" iris variety The percentage of SA
>seedlings varies from many to zero. It is also possible to get SA
>seedlings from two parents, neither of which shows an appendage. Lloyd
>Zurbrigg in Durham NC  Will I see you at the meeting in Richmond?
>
>
>




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