Re: HYB: pigment question - red beards?
iris@hort.net
  • Subject: Re: HYB: pigment question - red beards?
  • From: L* M* <l*@lock-net.com>
  • Date: Mon, 07 May 2012 12:02:16 -0400
Thanks Chuck. I thought the intense red beard probably has some other color with the tangerine.
I haven't seen Tom's seedlings, other than the one he's introducing, but from what he told me, he's been crossing his existing red bearded whites with either other people's red bearded whites (I think he mentioned ARCTIC FOX?), getting mostly t-bearded whites, but more orange looking than either parent.
To make sure I understand what you are saying, he will have better luck using the reddest bearded yellows (hard enough to find!) with his red-bearded whites?
From that kind of cross, won't he get a bunch of t-bearded pinks and yellows as well as whites? 

But they will all have a better chance of having redder beards?
What about the water soluble yellows? uh oh, there went the memory cells- are those the ones in orange petals? So red bearded orange or ..... 

On 5/7/2012 10:01 AM, Chuck Chapman wrote:

3) to get red with lycopene. you also need some yellow. It happens this
way with tomatoes. A cultivar without beta-carotene is pink. all red
tomatoes have 20-40% of pigment is yellow. Because of how pigment is
produced at molecular genetic level it is easier to get combination of
lycopene and yellow with white with tangerine beard and with yellow with
tangerine beards.

So for a pink with intense red beard, I would start with reddest bearded
pinks. The red bearded whites (and red bearded yellow) won't get you
there as different chemical process with white, which disappears with
pink flowers.

Chuck Chapman



-----Original Message-----
From: Linda Mann <lmann@lock-net.com>
To: iris <iris@hort.net>
Sent: Mon, May 7, 2012 8:51 am
Subject: [iris] HYB: pigment question - red beards?


A question from a local iris breeder working on red-bearded white
irises. He says he crosses the reddest bearded whites (or whatever)
with the reddest beards he can use, and is frustrated that most of the
seedlings have beards that are less red, more orange than the parents.

I wondered if maybe the true red beards have some blue or other pigment
mixed in, whether maybe some other color beard crossed with red would
give a higher percentage of true red beards.

Any of you know the trick to getting/keeping the 'true' red beards? Or
know anybody who would know?

Seems like, if it was 'just' fully recessive, crossing two red beards
would give mostly red beards.

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