![]() A single, vigorous, mature plant can produce up to half a million achenes (seeds) annually. Multiflora rose has invaded a large number of habitats, from hillside pastures, fence rows, right-of-ways, and roadsides to forest edges and the margins of swamps and marshes (Scott, 1965). Similar burdens and costs were reported from neighboring states to date, multiflora has been declared a noxious weed in Illinois, Iowa, Kansas, Maryland, Missouri, Ohio, Pennsylvania, Virginia, Wisconsin, and West Virginia (Amrine and Stasny, 1993).Įcological damage. Experimental multiflora control programs in West Virginia during 19 indicated that more than 36,500 hectares were heavily infested and that a ten-year eradication program using herbicides would cost more than $40 million (Williams and Hacker, 1982). Chalamira and Lawrence (1984) reported that multiflora rose was the highest priority agricultural problem in West Virginia. This thorned bramble now infests more than 45 million acres throughout the eastern United States (Underwood et al., 1996). Lost pasturage in many states, especially states with hilly terrain and pastures on steep slopes, has resulted in significant reduction in potential beef production. ![]() It has been declared a noxious weed in at least ten states (Amrine and Stasny, 1993).Įconomic damage. The hypanthia often are used for tea as a source of vitamin C. Before its weedy characteristics were well understood, it was widely planted in the 1940s to 1960s in the eastern United States as a wildlife plant for erosion control and as a living fence. Rehder (1936) found it listed in the second edition (1811) of the Catalog of the Elgin Botanic Garden in New York. It has been introduced into North America many times since the late 1700s as garden plants and as root stock for ornamental roses. Murray, is a non-indigenous rosaceous plant that is native to East Asia (Japan, Korea, and eastern China) (Fig. Multiflora rose, Rosa multiflora Thunberg ex. In: Van Driesche, R., et al., 2002, Biological Control of Invasive Plants in the Eastern United States, USDA Forest Service Publication FHTET-2002-04, 413 p. Division of Plant and Soil Sciences, West Virginia University, Morgantown, West Virginia, USA. Chapter 22 Multiflora Rose - Biological Control of Invasive Plants in the Eastern United States
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