I refresh the water every 3 to 4 weeks. I add a little sulpher to avoid algue to form. And indirect light. Not to bright. Temperature about 15 - 20 degrees Celsius.
Verzonden vanaf mijn Samsung-apparaat
-------- Oorspronkelijk bericht --------
Van: Cody H <plantboy@gmail.com>
Datum: 25-07-2018 22:19 (GMT+01:00)
Aan: Pacific Bulb Society <pbs@lists.pacificbulbsociety.net>
Onderwerp: Re: [pbs] Germination of Zephyranthes
Hans, I assume you must change the water at some interval for seeds that
take months to sprout? What is the interval? Do you put them under bright
lights?
On Wed, Jul 25, 2018 at 10:44 AM Hans Huizing <hanshuizing@xs4all.nl> wrote:
> Hi Uli and All,
>
> I do not agree with you Uli.
> I germinate all my Cyrtanthus seeds that way.
> And seeds sunken to the bottom do almost always germinate!
> Just be patient.
> As long as there is an embryo!
> Cyrtanthus carneus f.i. might take two to three months to germinate!
> By taht time most of the seeds are on the bottom!
>
> Hans Huizing
>
>
>
> Op 25-7-2018 om 18:42 schreef Johannes-Ulrich Urban:
> > Hello Shmuel,
> >
> > The water flotation method of germinating seed is very reliable. I even
> managed to germinate seed of overstored short lived Amaryllidaceae seeds
> this way. But I would not call it the float and sink method. Seeds sinking
> do not germinate. It is more float and root. With valuable seed I use
> tweezers to fish them out of the water and plant them individually when the
> root appears and leave the non sprouted ones floating. But I always remove
> sinking seeds as they might spoil the rest. Could you feel an embryo when
> you gently take a single seed between index and thumb? If not the seed may
> have been empty.
> > I also have a nice Zephyranthes which refuses to set seed after self
> pollination so may be the seed set of your plants was not viable as already
> commented.
> >
> > Bye for today
> >
> > Uli
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>
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