Search Results - technologies+%3e+horticulture+%3e+elm

2 Results Sort By:
Northern Empress® Japanese Elm - Ulmus davidiana var. japonica ‘Burgundy Glow’
Single plant selection originating from within a Harbin, China seed source grown for over 30 years at the NDSU Dale E. Herman Research Arboretum. This selection has been fully hardy in USDA hardiness zone 4. Based on regional experience with the species and seed origin should be fully hardy throughout zone 3 and possibly into zone 2b of the Agriculture...
Published: 4/10/2026   |   Updated: 1/30/2026   |   Inventor(s): Todd West, Gregory Morgenson, Dale Herman, Lawrence Chaput
Keywords(s): Plants
Category(s): Technologies > Horticulture, Technologies > Horticulture > Elm
Prairie Expedition® American Elm - Ulmus americana ‘Lewis & Clark’
This selection is a lone survivor among American elm trees that died from Dutch elm disease along the Wild Rice River southwest of Fargo, ND. When inoculated with the Dutch elm disease fungus, this tree displayed high resistance. The original tree is still healthy and has continued to resist DED infection 15 years after the inoculation of clonal propagules...
Published: 4/10/2026   |   Updated: 1/30/2026   |   Inventor(s): Dale Herman
Keywords(s): Plants
Category(s): Technologies > Horticulture, Technologies > Horticulture > Elm