Hippeastrum seeds

Darren Sage darrensage100@hotmail.com
Thu, 19 Jan 2006 17:17:15 PST
Dear Hans

I am not sure if I thanked you for the reply you gave below before.

Many thanks for the information.

Darren

>From: "Angela and Dean Offer" <angelasgarden@bigpond.com>
>Reply-To: Pacific Bulb Society <pbs@lists.ibiblio.org>
>To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
>Subject: Re: [pbs] Hippeastrum seeds
>Date: Mon, 7 Nov 2005 11:17:23 +0800
>
>When sowing hippeastrum seeds they have to be very fresh seeds.
>Cheers
>Angela
>Sunny Albany Western Australia
>----- Original Message -----
>From: Hans-Werner Hammen <haweha@hotmail.com>
>To: <pbs@lists.ibiblio.org>
>Sent: Saturday, November 05, 2005 3:22 AM
>Subject: Re: [pbs] Hippeastrum seeds
>
>
> > Hello Darren:
> >
> > the total  depth of these 50 cm x 18 cm boxes is 15 cm and the height of
>the
> > seed beds is then 12 to 14 cm.
> >
> > However;
> >
> > The dimensions are not critical and do not decide on fortune as regards 
>to
> > raising seedling of hippeastrums or other amaryllogene plants with these
> > papery foiled seeds.
> >
> > A lower drainage layer of some cm of seramis, perlite, expanded clay
>bullets
> > (regardless whether these are totally porous (Seramis) or not, or 
>charcoal
> > grains is sufficient, let's say 5 cm. But 10 cm is good, too.
> >
> > Care should be taken (it should be controlled) that the drainage bullets
>do
> > not clog the drainage holes on the ground of the sowing box. I drill
> > numerous additional drainage holes of 0.5 cm diameter to ensuire good 
>air
> > supply from belw. That is soo important - particularly when I rinse so
> > thoroughly with approx. 1 total seed bed volume of water(!)
> >
> > The drainage layer is then covered carefully - without mixing - with the
> > substrate, that is coco peat, the height not being critical, too;
>something
> > like 9 cm.
> >
> > If you change the proportion of substrate to drainage layer towards the
> > latter, then my previously recommended very thorough waterings might be
>less
> > critical for seedlings of those amaryllids (or any other seedlings) 
>which
> > are supposed to be very sensible and likely to rot. On the other hand 
>you
> > will have to water more often.
> >
> > If you sow seeds from a vigorous hippeastrum cultivar you will better 
>use
>a
> > full height of 10 cm of coco. But if you sow thse far smaller seeds of a
> > more tiny cultivar for example from crossing H.cybister "Chico" with
>another
> > smaller growing hybrid  like "Pink Floyd" then you reduce the coco layer
>to
> > 7 cm considering the far lower water uptake of these more delicate
> > seedlings.
> > And if you sow Cyrtanthus Mackenii (I did this summer) - then only 5 cm
>coco
> > is sufficient.
> > The loss of sed bed hjeight is compensated by a thicker drainage layer.
> >
> > The question when the seedlings are to be transplanted can not be 
>answered
> > schematically either: This is in your decision and depends on the
> > observation - "WHEN do the seedlings obviously become too crowded". If 
>you
> > have had a good germination rate and furthermore experience a rapid 
>growth
> > of vigourous seedlings you will have to transplant earlier. The minimum
>time
> > I keep these seedlings together is 5 months. The maximum timespan I let
>the
> > seedlings together was 10 months in single cases, but I do not recommend
> > that. The meanwhile rich network of stronger roots from the individual
> > plants is not easily separatable any more and serious damage to the 
>basal
> > plates is very probable to happen when using force.
> >
> > Hans-Werner
> >
> > >From: "Darren Sage" <darrensage100@hotmail.com>
> > >Subject: Re: [pbs] Hippeastrum seeds
> > >Date: Wed, 02 Nov 2005 22:56:11 +0000
> > >
> > >How deep are those trays illusstrated?  How long do the seedlings stay 
>in
> > >them?
> > >
> > > >From: "Hans-Werner Hammen" <haweha@hotmail.com>
> > > >Subject: Re: [pbs] Hippeastrum seeds
> > > >Date: Wed, 20 Jul 2005 17:22:18 +0000
> > > >
> > > >I sow into freshly recontituted coco peat substrate, and  I put every
> > > >single seed, one beside another with blunt tweezers into slits formed
> > >with a ruler.
> > > >This is the most accurate and yes, rather rapid method.
> > > 
> >http://img.photobucket.com/albums/v215/…
> > > >
> >
> >
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> >
>
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