Re:HYB:Deepening Pink

Thanks, Chuck,

Your reply to "Deepening Pink" was not directed at my hybridizing 
project of breeding pinks without the tangerine factor, but it was 
most useful to that campaign!

Patricia Brooks


--- In iris-talk@egroups.com, Chuck Chapman <irischapman@n...> wrote:
> Pink is based on the tangerine factor which is a variation on the 
yellow that
> is found in the inside of the petal. Both yellow and pink iris also 
have a
> gene for repression of the violet pigments (anthocyanidins). Red 
(and brown)
> iris are usually a combination of yellow and violet in vaarious 
proportion.
> Crossing a pink with a red will not produce any pink offspring 
unless the red
> is a tangerine and violet (very unlikely)or the plant carries the 
tangerine
> gene. You are then left with probably a mix of yellow and brown 
plants. Then
> it will require choosing the best yellows and crossing to each 
other and
> expecting a pink to show up. The ratio would indicate a small 
percentage of
> pink. An outcross would be better to a dark yellow and then back to 
a pink. An
> even better would be to use a dark pink and reselect for darker 
pinks. For a
> good parent take a look at WENCH. A very  nice iris that is 
exceptionally
> hardy and vigourous and does well in cold climates. You should be 
able to very
> easily get the violet out of the falls and get darker pinks with 
less work and
> spaace then required to pull recessives out of very wide crosses.
> 
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