Thousand Cankers disease http://wcbe.org en Black Walnut Quarentine Called For Southwest Ohio County http://wcbe.org/post/black-walnut-quarentine-called-southwest-ohio-county <p><font face="ARIAL" size="3"><font face="ARIAL" size="3">State agriculture officials are trying to keep a deadly walnut-tree disease from spreading from a southwestern Ohio county. Tue, 24 Dec 2013 14:30:41 +0000 Associated Press 48597 at http://wcbe.org