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At 10:46 AM 11/29/04 -0500, you wrote:
<<I'm afraid to graft the Karmijn directly to the G30, since G30 is 
probably sensitive to random viruses, and who knows what's up with the 
multi-grafted tree.  >>

So far as I know, it's only G16 that you have to worry about viruses with, 
and the tree will generally die in the nursery year one...no waiting to see 
if you got the bug!

<<Oh - and how much support does that G30 need?  Will a single metal 
stake be good enough?>>

G30 really needs as good a stake as you can give it. Preferably a stake tied 
to a wire, or even a trellis.  If you're just using one stake, make it a 
steel t-post, pounded (not dug) at least 2 if not 3 feet in the ground with 
6-8 feet above ground (10 foot post).  

This is a really good rootstock in terms of precociousness, yield, winter 
hardiness, and low incidence of root suckering and burr knotting. It just 
needs a little support, which isn't necessarily a bad thing if you plan for 
it.  After all, some plants (grape, kiwi) we trellis as a matter of course. 

Terry B
Calais, VT
zone 4
tblists@pshift.com