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Re: HYB: yellow amoena - how?
  • Subject: Re: HYB: yellow amoena - how?
  • From: Chuck Chapman <irischapman@aim.com>
  • Date: Mon, 3 Oct 2011 14:50:45 -0400 (EDT)


 An interesting question.

First you need to remember that pigment and pattern are inherited separately.  For example, Immortality (or any pure white)  or any flower without carotenes showing, could be a cartenoid amoena. but not show it as cartenoid pigment is not present.

Then you would need to look at cartenoid amoena X non catenoid flower. This may give  flowers where when cartenoid pigments are present, it is only in the falls.

But for sure  cartenoid  pigment in standards  would seem to be dominant over  no cartenoid pigment in flowers.

Another factor is the anthocyanin wash needed over lycopene for bright pinks. In order for this to not be pesent in a distracting way, it also needs to be an amoena pattern.

Chuck Chapman

-----Original Message-----
From: Linda Mann <lmann@lock-net.com>
To: iris-photos <iris-photos@yahoogroups.com>
Sent: Mon, Oct 3, 2011 2:30 pm
Subject: [iris-photos] HYB: yellow amoena - how?

After reading the hybridizing notes from Barry Blyth in the latest Tempo
Two catalog <http://www.tempotwo.com.au/Tempo_Two/Welcome.html>

about his quest for the perfect pink amoena, I was reminded of my
wondering about this seedling & where the yellow amoena pattern came
from. Yellow amoenas keep turning up here in the IMM X CELEBRATION SONG
descendants. Most have been really horrid, but I've wondered about the
pattern showing up as often as it does.

I hope I haven't asked this before, but I always thought pink (or
yellow) amoena pattern isn't dominant or there'd be lots more of them
around & BB would have achieved his goal many generations ago.

KIWI CHEESECAKE is a yellow amoena & the cross of IMM X KIWI CHEESECAKE
produced at least two yellow amoenas, the rest unmemorable/discarded. &
Bruce Filardi has yellow or pink amoena seedlings from KC.

So - anybody know if the yellow (or pink) amoena pattern is supposed to
be recessive? I'm guessing not.... just maybe hard to get rid of the
other pigments and simultaneously improve form/vigor.

photo labeled immxkcmaybe is IMM X KIWI CHEESECAKE
"canary" is yellow self: (IMM x TREASURED)

Linda Mann east TN USA zone 7
light frost last night, a few fall cycle stalks forming down in the fans.

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