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Re: Typical seed count of Amorphophallus titanum

  • To: Multiple recipients of list AROID-L <aroid-l@mobot.org>
  • Subject: Re: Typical seed count of Amorphophallus titanum
  • From: Jack Honeycutt <jhoneycutt@uswest.net>
  • Date: Thu, 6 Jul 2000 18:20:08 -0500 (CDT)

At 04:50 PM 7/5/2000 -0500, Donna wrote:

>Huntington did get seed via an unusual self pollination procedure.

 From what little I could gather from the greenhouse magazine, self
pollination methods have not worked very well in the past?

>We did have about 200 or so berries at Selby, but not all the fruits
>contained seeds. We got about 80 seeds in all.  Some berries contained
>two seeds but many contained only one. However, most of the seeds germinated,
>even the very small ones that I thought might not be viable.

And this was from a hand pollination method?  You took pollen from one
flower and placed it on the flower of the other plant?

>Very seldom have seeds been obtained in cultivation.

>Pollination has been attempted recently at Cal State
>Fullerton using pollen stored from the Huntington flowering of 1999. Don't
>know yet if they have been successful.

So, mostly, folks don't store pollen in the 'frig and pollinate a flower a
few months or years later?

When I played with Victoria waterlilies, I was told that about 72 hours was
the limit for stored pollen.  I was able to push that out to about two
weeks.  But my dream of storing pollen in the frig all winter and having
viable pollen in the spring never happened.  None of the flowers took this
old pollen.  I kept thinking that I needed that magic temperature to store
pollen, but I never found it.  About the time I moved on to something else,
I read about storing seeds in liquid nitrogen.  I wondered about long term
storage of pollen this way......

>Don't think its a good idea to "divide" the A. titanum tubers although there
>are rare times when the tubers may offset in cultivation.

OK.  Good information.  Can you force tubers to offset by growing them in a
small pot and over feeding the plant?

>The only way to
>reliably propagate this plant is via seed.

OK.  Got it.

Thanks for all the good information Donna.

jack in Portland Oregon

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