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Re: [aroid-l] growth rates for Epipremnum aureum

  • Subject: Re: [aroid-l] growth rates for Epipremnum aureum
  • From: "Denis Rotolante" denis@skg.com
  • Date: Fri, 24 Oct 2003 11:26:49 -0400
  • Importance: Normal

There is a logical reason for the observed differential in the growth
rate of the three major cultivated varieties if you just stop and think
about it.
Growth is function of photosynthesis and sugar production in the leaf;
the more chlorophyll the leaf has, the more photosynthesis. 
The all green Jade form has the most Chlorophyll as it has no
variegation and it is the fastest grower.
The Golden form has variegation but it has some Yellow xanthophylls
pigments in the variegation pattern which do help in the synthesis of
sugars, it is usually the second fastest grower.
The Marble Queen form has no Xanthophylls and the more White variegation
it has the less vigorous it grows and it is always the slowest of the
three varieties.
The neon form has xanthophylls but not much green Chlorophyll and
therefore makes little sugar and has no vigor at all.....

Denis at Silver Krome Gardens, Inc
Pothos producer Homestead florida

-----Original Message-----
From: aroid-l-owner@lists.ncsu.edu [mailto:aroid-l-owner@lists.ncsu.edu]
On Behalf Of Leslie R.
Sent: Thursday, October 23, 2003 9:31 AM
To: aroid-l@lists.ncsu.edu
Subject: Re: [aroid-l] Epipremnum

 I agree that the Marble Queen is a slow grower, even slower than the
all-yellow (Neon).  I grow mine to have a heavy degree of white
variegation (but not too much, we know what happens then), which makes
them grow even slower.  Just bright lighting, good pruning, and choosing
the best stem cuttings.  Takes seemingly forever to get a good-sized
plant.   Perhaps my all-green is a different species than the
yellow-variegated then?  Although identical in growth, the all-green is
a larger plant with thicker stems and bigger leaves.  That's
interesting.  I'm anxious to see more research and information on this.
I like this genus of plants and would enjoy seeing more interest in
them. I like plants with history too, Russ, and I'm glad you are
enjoying them.  The contrast of the bright yellow Neon with darker
plants is stunning. Leslie RuleColumbia, MO"In all things of nature
there is something marvelous." - Aristotle--- On Wed 10/22, Clarence
Hammer < chammer@cfl.rr.com > w!
 rote:From: Clarence Hammer [mailto: chammer@cfl.rr.com]To:
aroid-l@lists.ncsu.eduDate: Wed, 22 Oct 2003 22:12:34 -0400Subject: Re:
[aroid-l] EpipremnumHi Leslie. Epipremnum pinnatum and falcifolium are 2
different Aroids thanthePothos. E. pinnatum leaves in mature stage is
big, all green, with deepsplits to the midrib, and tiny 'holes' along
the midrib. I've never had afalcifolium, but it's also a different
looking plant. Pothos has gone thruseemingly countless namechanges, not
sure exactly where it ended. According to Graf's Tropica,Birdsey changed
it from Scindapsus to Raphidophora in 1962. Then Buntingchanged it from
Raphidiophora to Epipremnum in 1964. That's pretty oldinfo, I'll have to
see if I canfind any more recent.I imagine the wild form is all green. I
noticed today that your allyellow form shines in the shadehouse like a
beacon in the dark among all thegreen Philos, brilliant and beautiful.
Of the yellow variegated forms, Ilike the one I see occasionally that
 s a predominance of variegation,even the stems are yellow. Seems to be

 a more intensely colored clone thanthe usual variegated Pothos.I like
the white variegated 'Marble Queen', but it seems slower to me, andmore
likelyto revert to all green. I don't think I've ever seen this growing
up palmsand oakshere in Florida with huge 2 foot leaves and split edges
like you see yellowvariegated Pothos. There are some magnificent Pothos
growing higher thanI've ever seenon pine trees at Dr Frank Brown's (of
Aglaonema fame) big garden at ValkariaFla.I'm glad to have a piece of
your 30 year old green Pothos Leslie, I likeplants with some personal

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