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RE: Seed Germination Time

Could that also apply to Sweetbrier seeds ? Does this mean that I
should hold the seeds for two years and then hope they were harvested
in the best of conditions ?  
----------
> From: Henry Kuska <kuska@neo.lrun.com>

> R. Canina germination was the subject of a research paper.
> In the 1956 American Rose Annual G.D.Rowley from the John Innes
> Horticultural Institution, England wrote: "However, one factor was
found to
> exert a great influence on both total viability and speed of
germination.
> That is the time at which the hips are harvested.  Preliminary
tests showed
> that prematurely harvested seeds (that is, those collected at any
time
> between petal fall and while the hips are still green and the
sepals fresh)
> gave negligible germination over four years (only one in 300)." 
This is
> followed by a table which is summarized here: Date of hip
collection - Sept
> 8, Sept 22, Oct 6, Oct 20, and Dec 1.  This is a three month range
for when
> they were able to pick good hips.  The corresponding percent
germinations
> are: 17%, 53% 60%, 15%, and 13%.  The corresponding color of the
hips was:
> Flushed orange, firm; Red, Firm; Red, Firm; Red, Firm; and Red,
soft, and
> jammy.
> Another table presents the following information.
> The first year after sowing only 0.7% of the seeds germinated, the
second
> year 30.7% germinated, the third year 1.2% germinated, the fourth
year 0.7%,
> and the fifth year 0.3% germinated.
> Henry Kuska, retired
> kuska@neo.lrun.com
> http://home.neo.lrun.com./kuska/
> -----Original Message-----
> From: Dave Amorde <dave_amorde@msn.com>
> To: rose-list@eskimo.com <rose-list@eskimo.com>
> Date: Monday, July 27, 1998 5:47 PM
> Subject: Seed Germination Time
> 
> 
> >I don't know the specific germination time for R. canina, but the
range is
> >from 3 weeks to over 4 months! Don't give up!
> >
> >-Dave-
> >-----Original Message-----
> >    From: Asata <heaven_7@sirius.com>
> >    To: Rose-List <rose-list@eskimo.com>
> >    Date: Monday, July 27, 1998 10:20 AM
> >    Subject: R. Carnina Seed
> >
> >
> >    Hello to All.
> >
> >    Thanks Dave and Carleen for your input on how to stratify
seed. I
> soaked
> >my refrigerated R. Carnina seed overnight and planted them this
past
> >weekend. Got my fingers and toes crossed!!! ;-).
> >
> >    Does anyone know the germination times for rose seed? I
planted them in
> >a soiless mixture and put them outside in a bright place with
plastic wrap
> >over the top of the pot. I was wondering if bottom heat would help
them
> >germinate faster.
> >
> >    Carleen, were you able to find a source for "sweetbrier" - r.
> eglanteria
> >seed? I don't think Richter's had those.
> >
> >    Best Wishes!
> >
> >    Asata
> >
> >
> >    USDA Zone 9
> >    Sunset Zone 14
> >
> >
> >
> >
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