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[nargsbs at efn.org]

hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
From: Ernie O'Byrne <nargsbs at EFN.ORG>
Subject: Re: dormant corms
In-Reply-To: <20010815.153558.10703.0.GRSJr at juno.com>
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That brings to mind a question that I had when replanting the tubers stor=ed
last year. When they have already begun to sprout in the storage medium a=nd
are not quite straight, but curving around the tuber, does one plant the
tuber with the growing tip up, or with the tuber in a 'normal' position. =I
remember some suggesting planting tubers sideways anyway to help with
shedding excess moisture in the soil. Presumably the shoots will emerge
however they are planted, but any help I can offer them, the better,
especially since I have had lots of arisaemas skip a season, or even two
when something or other doesn't please them.

Ernie O'Byrne
86813 Central Road
Eugene, OR 97402-9284
USA
Eugene, Oregon is USDA Zone 8a on the map, but we can only grow Zone 7
plants reliably. Member of NARGS, SRGC, AGS, American Primula Society,
Meconopsis Group, Alpine-L, Arisaema-L, Hellebore Group


-----Original Message-----
From: Arisaema Enthusiast Group (AEG) Discussion List (and other hardy
Aroids) [mailto:ARISAEMA-L at NIC.SURFNET.NL]On Behalf Of George R
Stilwell, Jr.
Sent: Wednesday, August 15, 2001 12:36 PM
To: ARISAEMA-L at NIC.SURFNET.NL
Subject: Re: dormant corms


Mark,

The principle requirement for forcing is to keep the tuberlets "barely"
moist. Craig described the
medium as not wet but cool to the touch. Last I heard he was using
Granigrit as the medium.
It has worked fine for me. I do put the stuff in poly bags to keep the
tubers from drying out completely.
Poly breathes so they get enough oxygen.

I agree with Craig that 3 months at 40F is good because the lag between
replanting
and next growth cycle seems shorter than with 1 - 2 months. But you do
have to check to be sure they're
not sprouting in the frig.

Once replanted, they'll grow under lights or in the garden. No special
night cooling is required.
By repeating the forcing cycle, A. sikokianum has been brought to bloom
in less than 2 years.
But, I don't recommend the repeated process. I think the plants are not
as strong as when
forced only once to get a size tuber that will winter well.

Hey Craig, how about an updated article that we can post on the AEG
document site??
It'd be a good companion for Donna Maroni's great paper on germinating
Arisaema.

Ray
GRSJr at Juno.com

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