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RE: [nafex] Re: Apple seed storage

Some of the responses to this topic seem to be talking about long-term seed
storage, but the original question concerns not "storage" but
stratification, which is a process necessary to fully mature or after-ripen
the seeds, and to remove germination inhibitors and release the seed from
dormancy.  The procedure I would follow is as follows:

The seed should be removed from the fruit at fruit maturity or slightly
before harvest maturity.  Wash the seed in a collander under running water.
They can be treated with a fungicide such as captan to prevent    
rotting.  Alternatively, they can be disinfected with a 20% bleach solution
for 15 minutes, followed by washing in the collander for 2 minutes or so to
remove the bleach.  

The seed should then be stratified in moist (but not wet) peat in a
container, for example polyethylene zip-lock bags, and stored at 3 to 5 C
(37-40 F) for 6 to 8 weeks.  I would allow some air in the bags during
stratification, that is, I would not press all of the air out before
sealing.  This will provide enough oxygen for the seeds.  

I hope this helps.

Richard L. Bell 

> ----------
> From: 	Christopher Mauchline[SMTP:mauch1@aol.com]
> Reply To: 	nafex@egroups.com
> Sent: 	Tuesday, July 11, 2000 3:33 PM
> To: 	nafex@egroups.com
> Subject: 	[nafex] Re: Apple seed storage
> --- In nafex@egroups.com, jhecksel@v... wrote:
> > Hello All:
> > 
> > I intend to grow some Liberty X Dolgo seedlings next year.  Does 
> anybody
> > have any pointers regarding storage of seeds?  (Side note:  I am 
> getting
> > interested in hard cider and want to create some easy-to-grow
> > bittersharp cultivars)
> > 
> > In previous years I stored seeds of assorted crosses in the
> > refrigerator.  Many of the super-hardy cultivars produce seeds with 
> very
> > low chill requirements and they sprouted in January.  January is 
> not the
> > most opportune time to pot-out apple plantlets.  Dolgo qualifies as 
> a
> > super-hardy cultivar.
> > 
> > I assume that one can dry apple seeds and re-hydrate when needed.  
> Is
> > there any special procedure I need to follow?
> > 
> > Finally,  does anybody (Bernie) have information on the apple 
> cultivar
> > September Red?  Is it worth growing in USDA Zone 5?
> > 
> > Best regards from a soggy, soggy, Eaton Rapids Michigan.
> I am on unsure ground on much of this but here goes:
> I have a propagation book that goes into detail about how to dry
> seeds and then store them in the freezer for long term storage.  
> There is some procedure to it, but as I remember it didn't sound 
> difficult.  Is this what you're interested in?  If so, let me know 
> and I'll get the details for you.  I've never tried this myself.
> On the sprouting characteristics, did you find any difference between 
> sprouting characteristics whether the super-hardy cultivar was the 
> pollen parent or not?  I would guess (but I'm very uncertain here) 
> that the sprouting characteristics would tend to follow the female 
> parent (I'm guessing Liberty is the female parent as it is listed 
> first).
> I'd be very interested in hearing about your breeding results.  I'm 
> just beginning to be interested in hard cider varieties.
> Chris Mauchline
> SE PA, zone 6
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