Re: TB, "I" gene

HI Fred and all,

I am really enjoying this thread, and, as Fred has pointed out, was getting
the "I" and the amoena distribution a bit mixed up.  There are so many
factors to consider, who ever can get bored with it?  Not "I" - that's for
sure!

Fred, I am really sorry to not be able to see you in Tucson this weekend.
Kathy Chilton in Tucson was trying to talk me into going, and I would love
to, but cannot get away for the weekend.

I believe she grows Queen's Circle and can tell you of its great performance
down there.

Thanks for your posting!
Patrick Orr
Zone 9 - Phoenix, AZ
USA


----- Original Message -----
From: <RAINACRE@aol.com>
To: <iris@hort.net>
Sent: Monday, February 10, 2003 10:02 AM
Subject: Re: [iris] TB, "I" gene


> As the breeder of Age of Innocence, a white with a blue edge around the
falls, I am confident that the "I" inhibitor is not responsible for this
pattern, which is usually called the Emma Cook pattern (EC)after one of the
first TBs showing this pattern. What does seem responsible for the pattern
is four doses of the dominant amoena gene. EC pattern X EC pattern gives all
EC patterns. EC X blue self gives amoenas. EC X amoena can give both ECs and
amoenas if the amoena parent carries at least two dominant amoena genes. If
the amoena parent carries only one amoena gene the offspring will all be
amoenas. The following are EC patterns from my breeding lines: Christiana
Baker, Victoria Circle, Queen's Circle, Sappphire Halo (2003). It is also
possible to have the pattern on a yellow, orange or pink background with the
edge color altered to red to brown shades:
> Added Color, Bold Vision, Dear Jean, Kiss of Kisses, Lena Baker are from
my lines. A cross of Gypsy Woman, an EC pattern, with Silverado resulted in
Ivory Goddess which is neither an EC nor an amoena, because the sap pigment
was suppressed by "I" from the Silverado parent.
>
> I doubt the "I" gene has anything to do with pigment distribution on the
petal, only with the intensity of the blue pigment.
>
> Fred Kerr
> Rainbow Acres
>
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