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  Three questions
From: Adam Black paleoart at digital.net> on 2001.01.07 at 07:02:53(5819)
Any help with the following questions would be greatly appreciated.

Question 1:
I purchased an young Alocasia last spring that was labeled Alocasia sarian.

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From: "brian williams" pugturd50 at hotmail.com> on 2001.01.07 at 15:38:08(5822)
Hello Adam this is Brian Willimas. for your first question on Alocasia
Sarian. I have looked up as much as I can on it and it seems no one really
knows what it is. Most think it is a hybrid? I also have never had any
babies form the mother plant. But intertest to here yours is growing in a
tub of water?

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From: Neil Carroll zzamia at hargray.com> on 2001.01.07 at 19:30:44(5824)
You could also use a dead tree it
>wil rot but can be used for awhile.

If ever to a coastal area in the east......a dead red cedar or cypress would
be very resistant to rot.
the cedar would be of a more branched and managable size though

Neil

From: Ron McHatton rmchatton at photocircuits.com> on 2001.01.08 at 17:08:36(5827)
Hello, this is Ron McHatton.

As to the question of pressure treated lumber......I have been growing
orchids, aroids, and other stuff for about 35 years in various pressure
treated wood-frame greenhouses without any apparent problem (ones which I
can attribute to the wood). At first, the conventional wisdom was that
roots which came in contact with the wood would die back from chemical
burn. This may be true with wood treated with treatment chemicals like the
ones used for telephone polls. Using wood treated with chrome copper
arsenate (all the pressure-treated wood products available through home
improvement centers and the like) doesn't seem to be a problem. The
treatment chemicals are not volatile and they also don't seem to be
leachable. At least with epiphytic orchids, they will easily root to this
sort of wood and, since I try to grow under cloud forest conditions, I grow
substantial stands of moss on the wood without any apparent problems. I
wouldn't worry about the framing.

Cork oak bark is used for artificial trees because nothing else lasts like
that material. The initial investment is staggering (depending on the size
of the tree obviously) but amortized over time, its fairly reasonable. The
problem with other materials is longevity and the destruction of the root
systems when you have to get the plants off to rebuild. Tree fern has a
life time of about 5 years (and when it goes, it turns rapidly septic),
long-fiber moss in a wire mess frame is a nightmare to refresh the moss as
it breaks down. I have had plants on cork bark for over twenty years and
the bark is still holding up. If you can supply sufficient humidity and
water, you might try cement/

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From: Ron McHatton rmchatton at photocircuits.com> on 2001.01.08 at 17:10:10(5828)
You need to be very careful of cedar, cypress, and things like walnut
(black). These woods are very acidic (the source of their rot resistance).
Many epiphytes will not grow well attached to these materials. It's worth
a try, just watch the plants and replace those that don't do well.

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From: Jonathan Ertelt jonathan.ertelt at vanderbilt.edu> on 2001.01.08 at 17:11:45(5829)
My apologies if this is a duplicate - I sent this response to Adam Black
and to the aroid listserve, which means that I should have received a copy
back from the latter as a subscriber, but I never saw it posted. This may
mean that there is once again confusion regarding which terminal I'm
sending from, even though my name and email accounts are the same on both.
Thought that this was resolved six months ago - anyway, this may just be a
glitch. I did think that the ideas presented might be of some interest to
other folks on the list as well as Adam, so am resending below. Again,
sorry if it is duplication.

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From: Ron McHatton rmchatton at photocircuits.com> on 2001.01.08 at 17:13:20(5830)
Another alternative, if you can get your hands on one, would be a dead
citrus tree. The bark does not come off, most epiphytes grow well on
citrus and the wood is hard as nails and seems to resist rot rather well.

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