Description
A variety of herbivores, mites, insects, and pathogens are used to reduce and suppress weed populations. Released mites, insects, and pathogens are first tested for host-specificity. Herbivores are not host specific, and their effectiveness requires careful management.
References / Additional Information
Andres, L.A. 1984. Biological control of noxious weeds – progress and prognosis. In: 38th Annual Report of the Vegetative Rehabilitation and Equipment Workshop (VREW); 1984 February 14-15; Missoula, MT: USDA Forest Service Equipment Development Center: 12-17.
Andres, L.A. 1990. Biological control of noxious weeds – progress and prognosis. In: Rangeland Technology Equipment Council. 1992 Annual Report. 9122-2805- MTDC. Missoula, MT: USDA Forest Service Technology and Development Center: 54-55.
McElligott, V.T.; Sundt, C.N.; Fay, P.K.; Harstead, K. 1988. Goats, their control and use as a biological agent against leafy spurge. In: 43rd Annual Report of the Vegetative Rehabilitation and Equipment Workshop (VREW); 1989 February 19-20; Billings, MT. Missoula, MT: USDA Forest Service Technology and Development Center.
Story, J.M. 1992. Biological control of spotted knapweed and leafy spurge: principles and prospects. Rangeland Technology Equipment Council. 1992 Annual Report. 9222-2808- MTDC. Missoula, MT: USDA Forest Service Technology and Development Center: 11-12.