Finding the right companions means understanding the tree's natural environment ... offering vibrant foliage in the autumn. American Elm (Ulmus Americana) and American Hornbeam (Carpinus ...

The concepts, techniques, and gene cassettes we develop for the American chestnut will have broad applications in managing diseases affecting other important tree species such as Dutch-elm disease and ...

80-foot tree. Native American elms (Ulmus americana) have slightly fuzzy winged seeds, and the trees are better-known for having been decimated by Dutch elm disease, a fungal infection spread by ...

Throughout the state, Minnesotans are still noticing native American elms falling prey to Dutch Elm Disease, one of the most widely known tree diseases, affecting elms worldwide. Fortunately ...

We have been working on American elm for several years, and we are now conducting preliminary tests on transgenic elm trees that may resist the insects that spread Dutch elm disease and Elm yellows.