[Arisaema-l] What Happened To My Seedlings

Sipke Hoogma sipkehoogma at hetnet.nl
Sun Dec 29 11:56:50 CET 2013


Hallo Aad,

Ben het volkomen met je eens...
I agree completely...

Groeten/Regards,
Sipke




From: Aad van Beek 
Sent: Saturday, December 28, 2013 10:19 PM
To: Arisaema Enthusiast Group (AEG) Discussion List (and other hardy Aroids 
Subject: Re: [Arisaema-l] What Happened To My Seedlings

Peter,

I never seen to learn it. At least the spelling is correct this time corms instead of corns. In all other post I used tubers when referring to arisaema's so this must be a slip of the pen.

Why doesn't everyone write and reads Dutch than life would be much easier for me.

Aad

On 28 dec. 2013, at 22:08, "Peter Taggart" <petersirises at gmail.com> wrote:


  This all sounds reasonable. 


  However the myth that Arisaemas have corms is wrong. Corms have a precise internal structure. Arisaemas have tubers

  Peter 




  On Sat, Dec 28, 2013 at 8:51 PM, Aad van Beek <avbeek1 at hotmail.com> wrote:

    David,

    When I sawed the arisaema seeds in Mai last year I used 7 cm (3 inch) square containers The soil was 50% regular potting mix, 20% pumice, 20% course sand and 20% perlite. Filled the containers with the potting mix up to 1,5 cm (0.6 inch) under the top. Made the soil soaking wet. Put all the seeds from 1 packet on it (these seeds were soaked in water for about a week, refreshed it ones). Put about 1 cm (0.4 inch) quartz sand on top and finally sprinkled it with a fine layer of grid. Then put a refrigerator bag over the container and to secure the bag put them in a second container like this
    https://www.dropbox.com/s/sqf7ovf35k7a8zu/Photo%2028-12-13%2020%2040%2039.jpg

    The containers stood in a shed on a shelf.
    After 3 weeks I checked twice a week if there were any leaves visible. If they were about 1 cm above the ground I removed the plastic bag and put the container outside in a shady place. There they stood until september / october when I harvested all corms. Half of them are now in the refrigerator to see if the two cycle in one season will work out for me and the others half I will place in march in containers again.

    To protect the seedlings from birds but also from the 2 rabbits we have the containers stood behind bars
    https://www.dropbox.com/s/nbl3r7gqkacdf5z/Photo%2016-12-13%2016%2001%2033.jpg

    Used the same approach with the asarum, arum (both in the middle in the picture), helicodiceros and zanthedeschia (both at the right in the picture) (about 2 weeks ago as there is still no significant frost in Holland)

    Aad


    On 28 dec. 2013, at 18:23, "DAVID LEEDY" <djleedy at sbcglobal.net> wrote:


      Thank you Louse and all,

      I guess I will have to cut up my screen wire to fit the pots.  Generally I use my screen wire at the bottom of the pots covered with grit/gravel/perlite to keep "things" from climbing in and to keep planting mix from going out.

      Before the rains of this Fall and before the seeds sprouted, I purchased some shower caps (10 for a dollar) and placed these over the pots to keep birds out and humidity in.  However, now with the seedlings, I want them to gain the strength from growing in the air and sun.  Your idea will work.

      David Leedy

      From: Louise Parsons <parsont at peak.org>
      To: Arisaema Enthusiast Group <arisaema-l at science.uu.nl> 
      Sent: Saturday, December 28, 2013 10:22 AM
      Subject: Re: [Arisaema-l] What Happened To My Seedlings


      Mice can also uproot seedlings or seeds with little, if any, visible 
      soil disturbance.

      Generally I place seed pots in a heavy plastic utility box with holes 
      drilled in the bottom. It is lined with spun poly fabric ("remay") to 
      keep worms and most bugs out. A thick layer of pumice is placed on top 
      of the fabric. Any sort of grit would work fine.

      There is enough depth to these boxes to place seed pots on top of the 
      pumice and cover each box with an old window screen and/or a piece of 
      hardware cloth, weighted down with a couple of small bricks. Not only 
      does screen protect from various bugs and critters, it also keeps our 
      heavy winter rain from compacting soil.

      All the best for a bloomin' fine 2014!

      Louise Parsons

      Chilly Corvallis, western Oregon
      This year's mintemp so far = -18 degrees C
      (Arisaema seed pots are in our basement this winter.)


      On 12/28/2013 07:31 AM, Ellen Hornig wrote:
      > Mother Nature is a b***h, David.  If they don't come from above (birds,
      > squirrels, chipmunks, mice) they come from below (sow bugs, earwigs).
      > If they didn't, the world would be overrun with seedlings.  Consider the
      > ratio of seeds to mama plants.  Scary thought!
      >
      > Happy Holidays. :-)
      >
      > Ellen
      >
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