Re:HYB:Zonals:Matrix
- Subject: [iris-photos] Re:HYB:Zonals:Matrix
- From: &* A* M* <n*@charter.net>
- Date: Wed, 15 Dec 2004 17:47:48 -0500
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Betty--LIGHT BEAM from Lesley Blyth is a plicata,
but one has to look close to see the markings--from Beverly Sills and
Broadway. (I have it but it has yet to bloom--not any fault of the
variety--the soil where it is planted needs either about 10 inches of amendment
dumped on top of it, or total replacement.)
It was Light Beam, however, that suggested to me
that MATRIX might indeed be a plicata.
It is easy to forget, I think, that the plicata
genetics are not alone in controlling the placement and quantity of
anthocyanins. The possibly 20-step long synthesis sequence (meaning twenty
different genes being required to put the molecule together in the form we
end up having) makes for twenty different points in the production run where
diversion, modification, blockage or just plain ruination of the making of a
pigment can occur.
And--co-pigmentation, chelation of metal ions and
whatnot affect color of anthocyanins....
On top of which, the anthocyanin is also a dosage
dependent pigment. I suspect that you would have to have the pigment being
produced before the plicata process can determine where it is to appear and
where not.
Neil Mogensen z 7 western NC
mountains
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