Propagation at the U.S. National Arboretum, an Overview
Barbara L. Bullock
Established in 1927 by an Act of Congress, the U.S. National Arboretum is administered by the U.S. Department of Agriculture's Agricultural Research Service. The mission of the National Arboretum is to serve the public need for scientific research, education, and gardens that conserve and showcase plants to enhance the environment.
This presentation will discuss two divisions at the National Arboretum: the Tree and Shrub Breeding Program of the Research Unit and the Gardens Unit. These units focus on plant propagation for distribution, breeding, and display. Our breeding program encompasses a wide range: from basic and developmental research on trees, shrubs, turf, and floral plants to the development of plants with superior characteristics through a program of testing and genetic improvement. We develop new methods of pest and disease detection and control, improve our understanding of the taxonomy and nomenclature of ornamental plants and their wild relatives, and collect
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