North American Fruit Explorers mailing list at ibiblio

[edforest55@hotmail.com]

I just read in a bulletin from a W Virginia extension that juglone 
does indeed stick around for more than a year, and that it is most 
concentrated in the buds, leaves, hulls, and roots. 
I believe it was Carl Weschke who wrote that the juglone was harmless 
after one season after the death of the tree.
also, I remember it was a friend of mine who said that he cut down a 
Black walnut, let it lie on the ground whereby he believed that it 
was completely rotted within a couple years but upon inspection 
discovered that it was the sapwood only that had rotted completely 
and that the heartwood was as good as new after several years. I have 
no personal experiences with this but am quite curious now that there 
seems to be two different reports about its rot resistance. 
Kevin




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