[NAFEX] Nurse limbs.

Jwlehman at aol.com Jwlehman at aol.com
Fri Jun 3 07:31:18 EDT 2005


In a message dated 6/1/2005 9:07:05 AM US Eastern Standard Time, 
lucky.pittman at murraystate.edu writes:

> 
> Now, pecans &hickories do OK for me with nurse limbs, but I break them over 
> about halfway out from the trunk, and keep the terminal buds pinched out of 
> any new, vigorous growth that sprouts out on them, in order to keep anything 
> resembling a terminal bud from reaching a height greater than the base of the 
> graft.
> Lucky Pittman

This I have not been doing with persimmon and really needs be checked out. 
I'd almost have to use past experience as a control group. Am still grafting and 
will try a few. Biggest problem will be remembering to pinch off the nurse 
limbs new sprouts. 
Persimmon likes to send out new growth. 

Now just thinking out loud:  Growing terminal tips generate an enzyme that is 
transmitted to the root system enhancing root growth. It is known that there 
are graft incompatibilities and rejections in chestnuts due to enzymic 
differences between graft and rootstock.  Is there any chance some tree species 
recognize it's own enzymes as opposed to that of a different variety grafted to it 
and direct nutrient flow based on the source direction of it's own enzymes?  

Jerry
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