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Re: last pics, I promise

Wasn't this the cross that gave us Dorothy K Williamson?  Certainly nothing muddy about that one, and I think the Arkansans, Chowning, Morgan, and Rowlan used them heavily in their hybridizing for hardiness.     Joan Cooper, Rooseville, Minnesota    Zone 4
 
----- Original Message -----
From: j*@freenet.de
Sent: Wednesday, May 13, 2009 1:44 AM
Subject: Re: [iris-species] last pics, I promise

Dennis,

you should give it a go.  The yellow carotenes are from a completely different pigment system and do not inherit together with the blue to purple-red anthocyanins.  The chances are good most of the seedlings will be of a muddy tone, but some magic could occur.  Although I am unsure what actual pigments are involved with fulva and brevicaulis, I would expect the later to be mainly delphinidin, with fulva having cyanidin and violaxanthin.  A yellow fulva should be missing the cyanidin, but when crossed with another blue, we will see either a partial blue + yellow, or possibly a violet-blue + yellow, which is more or less what we see in the species fulva.  I'm sure someone has tried the cross, so you could ask around, but every clone is slightly different genetically, therefore results will vary.

Just do it! ;-) 

-- 
Jamie V.

_______________________

Köln (Cologne)
Germany
Zone 8

Dennis Kramb schrieb: 
Hahaha... that's great news!!!  I hope you have a spectacular bloom!  :)

As for me, I am starting to think about crossing a yellow fulva with a 
blue brevicaulis to see what happens.  I know red+blue=purple (like 
Dorothea K. Williamson).  Hmmm... I should just go ask the folks on the 
LA Iris forum.

Dennis in Ohio


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