North American Fruit Explorers mailing list at ibiblio

[hollaus@comcast.net (R F Hollaus)]

Michael,
I tried the obvious just as you say. In a test sweet cherry Lapins will produce a bouquet of flowers but no pollen so I am guessing when trying pin cherry the outcome would be the same. The reverse direction method of sweet cherry pollen to pin cherry is definately possible but rather low takes and the new seed never germinates as easily as a sweet cherry would, so they say (ie. very hard to stratify pin seed).

 

As well I've already tried storing pollen for 10 months using silca crystal and freezer but that didn't seem good either since by May all little cherries fell but a dozen, and of those none were still there by June 7. The pollen I did Not test out for pollen viability on other pin cherries so I don't now if it was a male or female problem at this point.

 

What to do?
To overcome the climaic barriers I guess the best plan to go with is to graft your favorite pin cherry to the same place as I'm doing or to buy another pin cherry pot as precisely suggested in another post which I will do. What you get in a hybrid is all up to chance anyways.

 

Regards,
RFH zone-6

-------------- Original message --------------
From: Michael Dossett <phainopepla@yahoo.com>

> It might be possible to cut twigs and break dormancy
> inside to get them to bloom but I wonder what the
> feasibility is of trying to do the crosses in the
> other direction i.e. save pollen from your earlier
> blooming trees and then dry it and refrigerate it for
> a couple months until the other trees bloom and then
> make a second trip back up there later to collect the
> fruit for seed...
>
>
> --- MARIE ASHTON wrote:
>
> > You can do several things. - spraying rest breaking
> > chemicals such as dormex you can cause the flower
> > buds to bloom earlier - You can freeze dry pollen
> > for next year from the later blooming trees up north
> > - and you can buy or dig up a tree that is large
> > enough to produce flowers while it is dormant this
> > winter. In the greenhouse it will bloom earlier than
> > it normally would (if it gets enough winter chilling
> > first.) I believe that Out Back Nursery in Minnesota
> > has Pin Cherry trees for sale.
> >
> > Regards,
> > Richard Ashton
> > Oak Creek Orchard
> > www.oakcreekorchard.com
> > bwoodtx@verizon.net
> >
> > ----- Original Message -----
> > From: R F Hollaus
> > To: nafex@lists.ibiblio.org
> > Sent: Monday, October 08, 2007 12:32 AM
> > Subject: [NAFEX] Hybridizing question and the
> > potential to get pollen in spring?
> >
> >
> > Is there a method of saving dormant adult wood of
> > any stone fruit (prunus) in getting the dormant
> > flowering buds to produce viable pollen, and if so
> > how to proceed?
> >
> > Over a year ago I planted a sweet cherry in my
> > greenhouse and a pin cherry graft in a pot with lots
> > of sun with plans on using pin cherry pollen to
> > hybridize in isolation with the sweet. The good
> > thing is that the sweet cherry is mature enough to
> > experience a second full bloom so should be ready to
> > fruit on gisela-5 but my potted pin cherry (self
> > grafted /mazzard F12/1) probably will not set the
> > amount of pollen I would like to have, if anything.
> >
> > It comes to be a problem since the pin cherry
> > grove is in a much northerly climate and blooms 2
> > months way too late.
> >
> > RFH
> > location: Southern Washington State zone-6
> >
> >
> >
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> Michael Dossett
> Corvallis, Oregon
> www.Mdossettphoto.com
> phainopepla@yahoo.com
>
>
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