[NAFEX] Grafting temp

Jwlehman at aol.com Jwlehman at aol.com
Mon Mar 30 11:33:53 EDT 2009


 Jerry, tell us more about watching the temperatures.  What do you watch 
for?  What is ideal?

Justin

Wood growth is max at about 80 degrees (F. of course) Starts about 70 and 
stops at about 90 degrees. Early spring I watch for a forecast for the first days 
of daily highs of about 80 degrees for three days in a row. Two is 
acceptable. Here that is occurs about mid to last of April. Once the graft has started 
callousing lower temps aren't detrimental. At that time the sap hasn't started 
flowing to the point of flooding the graft. Very important with Juglans and 
Carya not to flood the graft union.

If persimmon floods, no problem. The soft woods, most fruits, temp not 
critical.

Jerry


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