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Re: RE: Yellow/orange/pink

  • Subject: Re: [iris-photos] RE: Yellow/orange/pink
  • From: arilbredbreeder@cs.com
  • Date: Tue, 3 May 2005 12:42:01 EDT

I have a question for our TB experts. 

About 15 years ago, I noticed that while pinkish arilbreds are well known for losing their pink tints in the sun there were a few that actually grew pinker with age.  So I started examining flowers with a magnifying glass, hoping to distinguish between the anthocyanin overlay that produces a pinkish effect and true lycopene ground color. 

I soon observed a "new" pattern in my arilbred seedling patch.  New in quotes because it has probably been around a long time but hidden by an overlay of darker pigments.   I've attributed it to either TB heritage or an interaction of TB & aril pathways.  I dubbed it "pixelated" from my background with computers. 

Each cell was distinctly colored, but some were yellow and some were pink.  The distribution appeared to be a random one, rather than in a specific pattern, but the ratio of pink to yellow differed from seedling to seedling.  The result was a pinkish-yellow appearance.

I've never seen anything like this in arils.  Have any of you noticed it in TBs?  If so, what are your thoughts regarding its origin?

Sharon McAllister

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