Re: HYB: pigments, blend (new photo posted

About what I would have expected. The water based yellow is an extra.

I don't see anything in beard that would suggest either 3 or 4 t genes. It could have 3 t genes but it just doesn't have the look, from what I can see in the photo. A persona visit can change impressions, as it is a very subtlle difference.

Chuck Chapman


-Date: Sun, 06 Nov 2005 07:28:17 -0500
From: Linda Mann <lmann@volfirst.net>
Subject: [iris] HYB: pigments, blend (new photo posted

Extraction in hot water left evenly distributed yellow pigment of same
intensity in standards and falls, with <maybe> a very narrow, slightly
darker pigmented rim around the falls (no photo).

Hot water extraction looked slightly green, and after standing awhile,
the extraction of the standards definitely had a yellow tint. There was
more blue pigment in the extraction water from the falls, so the yellow
wasn't apparent, but I assume it was in both.

My interpretation - this flower has a smooth mix of anthocyanin and both
water soluble and oil soluble yellow, resulting in a uniform
buff-pinkish-brownish-yellowish self ground color with an anthocyanin
wash on the falls.

So, Chuck, this all seems to support your interpretation of the genetics
of the patterns & pigment potential in this IMMORTALITY X PINAFORE PINK
seedling?

Now that you can see a photo of the entire beard, do you still think
there is no tangerine? I realize that you can't really tell for sure by
looking at a photo.

< In the seedling I see no indication of there being either 3 or 4 "t"
genes. The beard is dark yellow in the throat, but definitely not
tangerine orange. When I see seedlings with three "t" genes I see a
darker yellow with more orange in it and far more of the beard
coloured.

<It would seem possible that both Pinafore Pink and Immortality have
three dosages of DRA and the seedling has two dosages. >

<I checked Immortality bloom. ...it has the violet in standards as well
as falls so it isn't an amoena. Thus the amoena factor, if there , must
be the recessive amoena.>
- --
Linda Mann east Tennessee USA zone 7/8
East Tennessee Iris Society <http://www.korrnet.org/etis>
American Iris Society web site <http://www.irises.org>
talk archives: <http://www.hort.net/lists/iris-talk/>
photos archives: <http://www.hort.net/lists/iris-photos/>
online R&I <http://www.irisregister.com>

-


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