Re: heterosis and the "rebloom gene"


CEMahan@aol.com wrote:
> 
> In a message dated 97-03-18 15:48:41 EST, Tom Tadfor Little wrote:
> 
> << Clarence's hypothesis is that crossing irises from widely different lines
>  of breeding yields seedlings with hybrid vigor, which in turn produces
>  rebloom.
> 
>  I agree, but I'd like to suggest that rebloom DOES have a genetic component
>  as well.  >>
> 
> 
> A personal "Thank you" for the nice comments on my article, Tom!  I find this
> subject fascinating and important, and thus can run on and on---and to  those
> whom I have bored with this rather lengthy message,  please excuse my
> rambling.  Cheers to all, Clarence Mahan in VA

Perhaps if we better understood what triggers bloom on the lowly oncers,
rebloom
would seem simpler.

Gerry, who basically accepts (as a working hypothesis) 
the analysis that triggers are needed for various steps 
of iris development, and "defects" in genes can remove 
the need for these triggers.
-- 
gcsnyd@loop.com    AIS Region 15
Warm, winterless Los Angeles
My work?  Helping generate data for http://www.jpl.nasa.gov/galileo



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