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Re: [aroid-l] A. kiusianus germination

  • Subject: Re: [aroid-l] A. kiusianus germination
  • From: "Randy Story" story@caltech.edu
  • Date: Wed, 25 Sep 2002 17:22:03 -0700


Any idea of what you do that might be different? Freshness, soaking,
temperature (are they outdoors?).  Perhaps germination inhibitor(s) leach
out by soaking??

I ask because everything else I've found seems to suggest a long germination
time for this species, including two posts on this list that I found in the
archive. I just noticed that both of them are from Alan Galloway, in 1997
and 2001, reporting germination times of 21 months and 29 months
respectively.  There was apparently simultaneous germination of a batch of
seeds in each case.  Any idea what's up?

I'm happy to hear that it shouldn't take 2 years!



>From: "Petra Schmidt" <petra@plantdelights.com>
>To: <aroid-l@lists.ncsu.edu>
>Subject: Re: [aroid-l] A. kiusianus germination
>Date: Wed, Sep 25, 2002, 9:15 AM

> Hey Randy...collect the berries as soon as they ripen and soak them in water
> overnight, clean them off, and sow them...expect germination within a few
> weeks...easy as pie.
> Petra
> ----- Original Message -----
> From: "Randy Story" <story@caltech.edu>
> To: "AROID-L" <aroid-l@lists.ncsu.edu>
> Sent: Tuesday, September 24, 2002 11:23 PM
> Subject: [aroid-l] A. kiusianus germination
>> Hi,
>> I just received some of Harry Witmore's Amorphophallus kiusianus seeds
>> (thanks Harry!) and am curious about their germination.  The article on
>> Amorphophallus cultivation (Hetterscheid and Ittenbach, Aroideana issue 19
>> or online at http://www.aroid.org/genera/amorphophallus/amcult.html)
> states
>> that fresh Amorphophallus seed usually germinates in 1-3 weeks except for
> A.
>> henryi and A. kiusianus.  I also checked in the archives where a couple
>> people reported 2 year germination times for A. kiusianus.
>> This is slow.  Has anyone ever tried speeding up germination in any way,
>> such as by using Giberellic acid (a plant hormone, for those who might be
>> curious)?  Or do I just need to learn patience, somehow...?
>> If anyone knows of anything, even unsuccessful attempts, I would be
> curious.
>> It sounds that for most other Amorphophallus species there is little
> reason
>> to try to speed things up.  Are there methods used with any other aroids?
>> I do have giberellic acid and I will do the experiment unless someone can
>> suggest something better.
>> Randy

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