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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: Jake Pool <jpower101 at AOL.COM>
Subject: Re: Variegated (questions)
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Hello , Another reason that the mottling is relatively faint on the
Arisaema that Chris posted. Maybe, if the variegation is caused by
deformed/ mutated colored plastids. Sometimes the non-mutated plastids
out number the mutated colored plastid, thus causing more chlorophyll
to be produced than the low to no chlorophyll producing plastids.

That is my understanding of why some variegation are seasonal, also,
like the pure white growth of Salix 'Hakuro Nishiki' and heavily
variegated Hosta fortunei 'Albo-picta' that fades later in the season.
Both plants have a imbalance of the two plastids, but the non-mutated
plastid eventually start to out number the mutated plastids.

Maybe Chris's Arisaema has more non-mutated plastid versus mutated
plastids, so the sectorial chimeral variegation is a little lighter.

I personally like it. It is possible to develop into a more stable
variegation with white margined edges or a white center. Lets hope :)

I found a interesting webpage about Amorphophallus konjac 'Shattered
Glass', which is a strongly variegated form of A. konjac.
The article seem relevant to Chris's Arisaema.
http://www.exoticfinches.com/plants/amorphstory.htm
Another article by M. Marcotrigiano.

Hope this helps also, thanks, Jake

Jake Pool
University of Washington
Public Horticulture
Graham, WA
USDA Zone 7a

Photo Website:
http://community.webshots.com/user/natureboy77


-----Original Message-----
From: Jim McClements, Dover, DE z6 <JimMcClem at AOL.COM>
To: ARISAEMA-L at NIC.SURFNET.NL
Sent: Tue, 13 Jun 2006 13:29:09 EDT
Subject: Re: Variegated (questions)

A few years back (2001)we had a discussion on Trillium-L about
varigation caused by "jumping genes" (transposable elements). Susan
Farmer posted some URLs with info on the subject, but they all seem to
have disappeared from the web.

Anyone up-to-date on that?

Jim




Jim McClements
50 S. Prestwick Ct.
Dover, Delaware 19904, USA
Zone 7a
302-734-2836


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