RE: Re: Purple Leaf Base
- Subject: RE: [iris-talk] Re: Purple Leaf Base
- From: M* M*
- Date: Thu, 15 Nov 2001 11:24:45 -0500
John, the popular opinion has been that PBF is dominant. Are you saying
that some of the crosses you have made with one PBF parent resulted in no
PBF in the offspring when half of them should show some signs of PBF?
I believe there was a recent article in an AIS bulletin that discussed PBF
and inheritance.
Maureen
Ottawa, Ontario (zone 4) -- where Sandy has to set up the new plant stand
before he gets his hydroponics unit back
In a message dated 11/14/01 7:59:03 PM Pacific Standard Time,
randysiris@juno.com writes:
<<
>>
Let me explain. I first thought that PBF was dominant.This is that one of
the parents
had to express this modifer to pass it on.But from making a few test crosses
and 500 seedlings. I found it to be a ressive trait.This means that both of
the parents carry the modifer but do not express it.So we do not see it but
we know it's there.
So lets say that we cross a PBF with a non PBF and get none.We know that non
PBF parent doesn't carry this modifer.But we can also cross a non PBF to
another
non PBF and if we get PBF seedlings they both have to carry this
modifer.Some
iris
don't express this modifer as well you really have to look close sometimes
in
late fall
or early spring to see it.More test need to be done to beter understand
PBF.3/4 of my seedlings have PBF.
John Van Hook
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