North American Fruit Explorers mailing list at ibiblio

[Hans Brinkmann <hans-brinkmann@t-online.de>]

Hallo Lucky,
thank you for your notice of using also the "Green River" onto Carya 
cordiformis as an interstem!
This is the hardiest Hickory at Germany and its very easy to collect 
seed nuts...
At EU almost no Hickory is produced at nurseries.
Some forest departments are making very few tests with C. cordiformis.
C. ovata, C. ovalis and some others we have only at botanical gardens.

Are some nurseries in the North of the USA sometimes using other 
rootstock than Pecan for their Pecan graftings?

Ciao
Hans




Lucky Pittman schrieb:
> Hans raised the issue of rootstocks other than 
> pecan(C.illinoensis)  requiring a compatible interstem.  It's 
> well-known - or, at least, anecdotally reported - that some pecan and 
> hickory selections are not graft-compatible with either bitternut 
> hickory(C.cordiformis) or bitter pecan(C.aquatica), and if a nursery 
> were using either of these two species as rootstocks, then an 
> interstem graft of, say, "Green River" pecan on bitternut would be required.
> But, I find it unlikely that many commercial pecan nurseries in The 
> South would be using anything other than pecan seedlings as their rootstock.
>
>   



> Lucky
>
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