HYB: what to do with glaciata?

I'll be a spolier here Linda.
I doubt if this seedling is a glaciata. There is no indication of plicata in either parent , or a record that I can find that either one ever produced a plicata offspring.
Were there plicatas in this cross? I didn't hear mention of it, and without this, or a test cross with a plicata, I'll have to say there is no evidence of it being a glaciata Just because it is clean of anthocyanin doesn't mean it is a glaciata. Ther are lots of clean cartenoid plants that are not glaciatas.
Also haft markings have nothing to do with plicata genetics. This is a carry along factor often found in pliacatas, but not part of their genetics.
Haft markings don't distract from plicatas with all their paterns, so it was never selected out as with other colours. so it is there , but not part of plicata genetics. There are lots of plicatas without haft markings, paticularly those that fall out of crosses that are not plicatas, but carriers of genes.
The glaciata genes are part of luminatas and many other plicata types. The only way they make clean cartenoid coloured flowers is when there are four glaciata genes in the plant. When with other plicata genes they contribute to the plicata type and pattern. When not paired up as one of four plicata genes, they do nothing to influence colour or pattern. 

Chuck Chapman




Date: Thu, 24 Jul 2008 05:16:23 -0400
From: Linda Mann <lmann@lock-net.com>
Subject: [iris] HYB: what to do with glaciata?

Now that I have a couple of glaciata seedlings (yellow, from HARVEST OF
MEMORIES X TREASURED), I don't know what to do with them re: future
crosses.  From posts here in years past, it sounds like some of you get
excited about such things, but I'm not sure why..

They can get rid of dark markings on hafts of yellow/pink/orange/white,
but do they have anything to do with light ground with anthocyanin veins 
 on hafty anthocyanin pigmented ones?

In other words, is there any evidence that the genes for "plicata haft
markings" includes the white ground between the anthocyanin pigmented veins? 

Another one of my unanswerable questions?
- --
Linda Mann east Tennessee USA zone 7/8
East Tennessee Iris Society <http://www.DiscoverET.org/etis>
Region 7, Kentucky-Tennessee <http://www.aisregion7.org>
A

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