Re: OT: Pigments & green (was Silverado)

I usually delete the history, but this time it seemed better to leave it.

Seems to me that if you could get the yellow and the blue to express in
such a way that both were present at the same time on the same petal, but
not one over the other, you might be able to get a visually green effect???
Problem is, that in almost all the iris I've seen the blue or purple
pigments end up on top of the yellow and end up looking brown.  I have seen
a few Iris (mostly white, some yellow) that have very definitely green
(usually dull though) markings in the haft area, but I know nothing about
that works.

Definitely NOT an expert, just some thoughts.

Dave


                                                                                            
                    "Patrick Orr"                                                           
                    <irisdude@msn.       To:     <iris@hort.net>                            
 .                  com>                 cc:                                                
                    Sent by:             Subject:     [iris] OT: Pigments (was TB, lumis,   
                    owner-iris@hor        plics, Silverado)                                 
                    t.net                                                                   
                                                                                            
                                                                                            
                    02/08/03 11:26                                                          
                    PM                                                                      
                    Please respond                                                          
                    to iris                                                                 
                                                                                            
                                                                                            




Ok, we are way off the string here, so I have changed the Subject.

The way iris pigments work, green plus blue do not equal green and if you
cross blue and pink.you could get yellow.

Green in irises is chlorophyll.

The dosages I was speaking of earlier refer to the gene that inhibits the
expression of pigment. I did not say there are four doses of the pigments
blue and yellow.  There are dosages so to speak of the "I" gene.

Hope this answers your question.
Patrick


----- Original Message -----
From: "Showtime Farm" <showtime@bbtel.com>
To: <iris@hort.net>
Sent: Saturday, February 08, 2003 8:51 PM
Subject: Re: Re:[iris]TB, lumis, plics, Silverado


> okay,
>
> so if a blue dosage has four parts, and IF a yellow has a dosage which
has
> four parts, then in theory anyway, a green might result from a double
dose
> of blue x a double dose of yellow.   I know, I know, we're talking apples
> and oranges, but it sounds as though the thoughtful and informed
irisarian
> might be able to regulate the amount of blue that is expressed if (s)he
were
> careful with the dosage...
>
> 'things that make you go hmm, hmm, hmmm"
> Christian, Ky
>
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