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["Lon J. Rombough" <lonrom@hevanet.com>]

The freezing by itself doesn't hurt the scions, but it draws water out, dessicating the scions.  Catch it in time and you can re-hydrate them by soaking in water  a few hours.  Otherwise it's like you left them to dry out.
-Lon Rombough
NEW grape pruning video: http://www.bunchgrapes.com/dvd.html View a short, low resolution clip here: http://www.youtube.com/watch?v=8Q58zFY0B1M
Grapes, writing, consulting, my book, The Grape Grower, at http://www.bunchgrapes.com  Winner of the Garden Writers Association "Best Talent in Writing" award for 2003. 
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On Mar 13, 2009, at 8:09 AM, Lucky Pittman wrote:

At 06:54 AM 3/13/2009, you wrote:
> Well I put my wood in the barn fridge to be safe from ethylene but when it got 0 degrees out the inside of the fridge got 22-25 degrees.Do I throw out or look for browning?     skip s.  zone 5
 That's not as cold as it would have been if it were still on the tree, out in the orchard.  
It's probably just fine.
I've had problems with scions freezing in the fridge from time to time, but I can never tell if graft failures were due to that or just because of poor technique, timing, or lack of aftercare.
I've sometimes thought that buds on pawpaw scions were damaged and mushy, but I can't recall any pomefruit, persimmon, or nut scions that I thought were noticeably unsound at the time I grafted them.

LLP

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