Browsing by Subject "Ceratocystis ulmi"
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Item Minnesota Tree Line, Dutch Elm Disease Detection, no.6, 1977(University of Minnesota, Agricultural Extension Service., 1977) University of Minnesota, Agricultural Extension Service.; Mizicko, John; Stienstra, Ward C.Item Minnesota Tree Line, Dutch Elm Disease, community experiences no.5, 1977(University of Minnesota, Agricultural Extension Service., 1977) University of Minnesota. Agricultural Extension Service.; Stienstra, Ward C.Item Minnesota Tree Line: Root Graft Spread of Dutch Elm Disease and its Control, no.4 - 1977(University of Minnesota, Agricultural Extension Service., 1977) University of Minnesota. Agricultural Extension Service.; Mizicko, John; Stienstra, Ward C.