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Re: Amorphophallus bulbifer stories

  • To: Multiple recipients of list AROID-L <aroid-l@mobot.org>
  • Subject: Re: Amorphophallus bulbifer stories
  • From: Tim & Mary McNinch <Newton@coiinc.com>
  • Date: Tue, 11 Jul 2000 22:15:04 -0500 (CDT)

Mine are doing the same. My largest is only just showing the leaf about to
and is 6" tall. They have been in the soil for 60 days or more.


Albert Huntington wrote:

> Hello, List.
>   I would like to bring up a couple of observations about my A. bulbifer and
> ask some questions.
>   I keep my A. bulbifer in a greenhouse (low 65F, high 90F, Humidity
>80%+), and
> around last September I noticed that the leaf ( about 2ft high ) was
> to wilt, perhaps in preparation for dormancy of some sort.  Since the
>plant had
> been growing pretty vigorously, I figured that I would try out a
>procedure that
> I had read on the list for taking petiole cuttings, and harvest a few of the
> bulbils along the way.  I removed the leaf from the tuber and cut the petiole
> into 2-3" long sections which I sealed into a plastic bag with some damp
> sphagnum peat.  I stored the tuber in the fridge over the winter,
>figuring that
> I did not have room for the plant with everything else overwintering in my
> greenhouse, should it decide to come back up.  I also stored a bunch of
> tubers that had formed attached to the big tuber.
>   Much to my amazement, the petioles did in fact form even more little tubers
> after a month or two.
>   Now, in March, I figured it was time to pot out the tubers, so I took them
> from the fridge, where they had kept relatively well, and I planted them in
> pots in the greenhouse.  I then proceeded to wait.  And wait.  And wait.
>   About early June, a few of the small tubers had sprouted, but not the big
> one.   Now, in July, I finally see a small pink shoot on top of my bigger
> tuber.  Some more of the smaller tubers I had potted up are beginning to
> sprout.  Every single other Amorph I have, including the ones Wilbert
>sent out
> this spring, is pretty much in full leaf by now.  This is somewhat
>puzzling to
> me.
>   Does anyone have any suggestions as to why my A. bulbifer and its offshoots
> should be poking their heads out so late this year?  Is it because I stressed
> the plant by cutting off its head a bit early?  Does it have something to do
> with its long siesta in the fridge?  Is A. bulbifer just a late species?
> Anybody else have any experiences like this with other species?
>   Thanks in advange for your answers...
> --Albert
> =====
> Albert Huntington           San Jose, CA U.S.A.
>            Visit my greenhouse at:
> http://www.geocities.com/RainForest/Jungle/1436
> -----------------------------------------------
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