[NAFEX] storing scion wood frozen

Alexander Dragotin a_dragotin at yahoo.de
Tue Feb 12 14:04:54 EST 2008


Storing frozen has the advantage that it is no need to make a check of the budwood state up to the day you are going to graft. I prefer this way, because not every normal refrig can store close to 32 F. 
There is no need of special refrig. For me was no problem to make the switching on and off add-on control circuit.
Alexander Dragotin

Jwlehman at aol.com schrieb: In a message dated 2/12/2008 4:45:35 AM Eastern Standard Time, a_dragotin at yahoo.de writes:
 
 In the last 15 years I stored my budwood wrapped in a moist newspaper sheets, closed in a plastic bag and kept frozen in refrigerator at temperature of 23 Grad F (minus 5 Grad C). I never had failure.
 I am using common freezer, completed with a self made control circuit sensing the temperature in the box and switching the main of the freezer on/off, depending on the set desired temperature. Temperature deviations in the interval 25 to 20 Grad F don't matter.  
 Alexander Dragotin 
 
 Interesting! I've been around grafters and grafting for about 25 years. Don't remember of ever hearing anyone advocate storing scion wood frozen before. I'd think it is extra work, setting up a special refrig. Storing in a normal refrig works so well why freeze? With Prunus, especially Cherry, store as close to 32 F. as possible.  At 45 degrees it can start to break bud reducing the take percentage greatly. I speak from experience. 
 
 I use, and the most common way, zip lock or plastic bags with slightly moistened paper (towels) and have kept it viable for over a year that way. Have grafted year old persimmon wood stored that way with good success. I really don't believe storing frozen has any advantage, just extra work. 
 
 Jerry


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