Re: Re: Anthocyanin-sidetracked

BAIS  ????

--- On Fri, 8/1/08, irischapman@aim.com <irischapman@aim.com> wrote:

From: irischapman@aim.com <irischapman@aim.com>
Subject: Re: [iris] Re: Anthocyanin-sidetracked
To: iris@hort.net
Date: Friday, August 1, 2008, 7:50 AM

Black iris  have a special  dark pigment comming from Iris aphylla. It
would appear that this involves Anthrocyanin vascular intrusions (AVI)
These involve clusters of anthocyanin in globules  with a protein base.
They form clumps inside the cell vacuole and help make  the anthocyanin
much darker. A deep purple when  no yellow in flower, black when it
also occurs with  yellow.  For more information on this look at my
articles in BAIS on this topic.

The "I" factor will not remove all the anthocyanin in these
situations
(dark purple or black), but several dosages of "I" will remove it.

The AVI can ocur in cell vacuole without the water soluble anthocyanin
in the vacuole. this can cause a dusky colouration as in standards of
Ziggy, where I have found AVI but no purple cell sap.  This could
possibly be connected with "green" iris.

Chuck Chapman

Date: Wed, 30 Jul 2008 16:07:19 -0700 (PDT)
From: christian foster <flatnflashy@yahoo.com>
Subject: Re: [iris] Re: Anthocyanin-sidetracked

Hey gang,

Okay, I wasn't much interested in the whole discussion of glaciatas,
but the
comment about glaciata being a recessive of a recessive caught my
interest.
Can someone Punnett Square that for me?

I was trying to muddle all the plicata info in this post away from the
anthocyanin info and decided to refer back to some archive posts I had
printed
out on the subject.  The only thing I'm sure of after that is that
"blue" and
"white" can be lumped together genetically...at least as far as
I'm
interested
in blue and white per se.

BUT... I stumbled on a notation that caught my attention... as it may
relate
more directly to personal goals.  In a post relating to anthocyanin
dated Feb
08, 2003 Neil Morgensen stated that "The pigments involved in the
blacks tend
to penetrate through the I factor."  This caught my attention because I
have
noted that "green" irises sometimes come from "black"
pedigrees, and
have
wondered how that was possible.

If I understand the context correctly he's seperating two types of
"white"
irises... recessive white and...well I'm unclear.

Somebody help me clear up the fog?  And if anyone has pictures of
irises with
this "penetration" of dark pigments through the I factor, I would
find
them
very interesting.

Christian






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