Re: RE: Red-toned rebloomers (was RE: First 08 rebloomers)

I would cross your reds to rose-pinks, mauves and red-violets.  The closer you get to blue the harder it is to get the pinker shades.  Purples can work too.  Just be careful that the purple is not a combination of blue and a carotenoid.

You can also use yellows (and oranges definately) that have at least one lycopene (flamingo pink) parent or has been known to produce lycopene pinks.  Yellows and oranges can give purples, maroons and browns if combined with blues and purples.   

A blue or purple could be used if you look at it's pedigree and know that one of its parents is a rose-pink,mauve shade or red-violet.  Then it will be recessive and can reappear, but you would need to grow enough seedlings to increase your chances of getting something you want.  

Not to complicate or confuse but if you have a plant that is purplish because of carotenoid AND anthocycnin presence just make sure it has both a lycopene parent (or potential) and a rose-pink parent and see what happens as the genes get all mixed up and throw all sorts of shades.  Then when you have a few seedlings that are close or you like from that cross you can cross them amoung themselves.

Paul Archer
Raleigh, NC  Zone 8



-----Original Message-----
>From: Ann Head <jac@labdude.com>
>Sent: Jun 4, 2008 11:22 PM
>To: iris@hort.net
>Subject: [iris] RE: Red-toned rebloomers (was RE:  First 08 rebloomers)
>
>Mike Sutton wrote:
>><snip>
>>Has been about 7 weeks since peak TB bloom, Autumn Rain and Lest We 
>>Forget have bloomed every month this year except January.
>>Mike Sutton
>
>I was admiring them, along with the other new intros on your website 
>just last night, Mike.
>
>Looking at Lest We Forget prompts me to ask the list a question which 
>has been on my mind lately:
>I really want to work on red-toned rebloomers, but there have not 
>been many available (especially in Australia) to use as a starting 
>point.  So, if I want to outcross reds to other colours, what other 
>colours are likely to give me the greatest percentage of red-toned 
>seedlings?  Purple?  Yellow?  Blends where both anthocyanins and 
>carotenoids are expressed in the flower to some degree?  If I want to 
>use red plicatas, are those with yellow ground likely to give me 
>more/less red-toned seedlings than those with white ground?
>
>I wish I understood iris colour genetics well enough that I didn't 
>need to bother the list with such questions, but it seems like the 
>more I try to read up on the subject, the less I feel I actually know.
>
>Ann
>
>South Australia
>j*@labdude.com
>
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