Re: Re: HYB: Purple Leaf Base
- Subject: Re: [iris-talk] Re: HYB: Purple Leaf Base
- From: J* a* C* W*
- Date: Tue, 31 Jul 2001 20:28:08 -0600
> From: irischapman@netscape.net
> Thanks for all the information. The only cross that I kept track of is
> Canadian Streaker X Honky Tonk Blues, both purple leaf base. The only
> plant I kept (variagated foliage) doesn't have pbf, and to the best of
> my recall, neither did any of the siblings. Of course there is the
> possibility that I had mixed up the tags during planting.
Chuck,
On the hypothesis that the presence, if not the intensity, of pbf is
inherited as a simple Mendelian dominant trait it is highly unlikely that
you would get no pbf seedlings from a cross of two pbf parents, especially
if there were more than a few seedlings from the cross. On the assumption
that each parent had only one pbf allele and three non-pbf alleles (which
is probably true in most cases, as the pbf allele as such seems to be
rather rare), you would expect 3/4 of the seedlings from two pbf parents to
themselves show pbf.
Jeff Walters in northern Utah (USDA Zone 4/5, Sunset Zone 2, AHS Zone 7)
jcwalters@bridgernet.com
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