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What walnuts can be used as a rootstock for other walnuts?  RSS feed

 
Janne Lassila
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Location: South/Southwestern Finland
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hugelkultur trees urban
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As the title says, but more specifically: can you graft any walnut to a juglans ailantifolia, or j. mandchurica rootstock? Here in Finland those are used in parks and avenues, and bear provenly edible (if somewhat small and hard to crack) nuts. Also nearby of multiple walnuts are,  surprise surprise, seedlings (thank you squirrels most kindly!). Now that I KNOW they can propagate themselves, I began wondering if I could use those as a rootstock here, to maximize survibility, and earn some cash also from grafting and selling. Juglans regia can't really survive here, except for really good microclimate, but heartnuts can, and so can butternuts. That makes me believe black walnuts could also.
Usually black walnut is used as a rootstock for regia, I could not hower find ANY information about anything grafted to japanese or mandchurian walnut. But they are all juglans.....so how about it, should I ask for scionwood and do experiments?

-Janne
 
David Livingston
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I would experiment BUT I do not think your issue is frost in getting Walnuts . Its sun and heat . I used to grow walnuts ( persian aka european ) in the North of England tree grew fine but I never got any worthwhile nuts as they did not mature enough Here in France its warmer longer and I get a great crop of nuts ( minus what the pesky squirrels take ) .
Maybe I could send you some  small branches

David
 
Janne Lassila
Posts: 41
Location: South/Southwestern Finland
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hugelkultur trees urban
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Well heck, David, I'll take all of your scrapwood, and even pay for the shipping .
So maybe I should try all of the smaller-but-tasty versions, instead of going for the big ones, surely there are those from nigra and cinerea! What kind of trees do you have, David?

-J
 
David Livingston
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I have several of these https://en.wikipedia.org/wiki/Juglans_regia One definite commercial nut producer  truck diameter about 30cm about forty years old and another six or so twentry year old offspring  . I harvested about ten boxes worth this year eight boxes from the big tree.
Maybe we could swap you send me some apple twigs
Have to be soon though

David
 
Janne Lassila
Posts: 41
Location: South/Southwestern Finland
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hugelkultur trees urban
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I'll send you a PM, David. Meanwhile the discussion can continue here, because I am amazed if nobody has really tried using these hardy walnuts as a rootstock...may it be that nigra is more available in the US ?
 
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