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Microsite Requirements for Downy Brome (Bromus tectorum) Infestation and Control on Sagebrush Rangelands

Published online by Cambridge University Press:  12 June 2017

Raymond A. Evans  and
James A. Young
Raymond A. Evans
Affiliation:
Range Sci., U.S. Dep. of Agric., Agric. Res. Ser., 920 Valley Road, Reno, NV 89512
James A. Young
Affiliation:
Range Sci., U.S. Dep. of Agric., Agric. Res. Ser., 920 Valley Road, Reno, NV 89512
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Extract

The sagebrush (Artemisia)-grass ecosystem is an extensive and important rangeland type in the western United States. Estimates of total area of this ecosystem vary from 38 million ha (21, 22) to 109 million ha (3). Of the sagebrush-grass rangelands, 88% are degraded to the point that they are producing 50% or less of their forage potential (22). Low forage production on these rangelands has been caused by overgrazing and other past land abuses (24) resulting in severe depletion of native perennial grasses, dominance of brush, and, on millions of hectares, downy brome (Bromus tectorum L. # BROTE) dominance of the understory.

Type
Research Article
Information
Weed Science , Volume 32 , Issue S1: Supplement 1: Downy Brome (Bromus tectorum) History, Biology, and Control in Agricultural Production Systems. Proceedings of a Symposium of the Weed Science Society of America. February 9, 1983, St. Louis, Missouri , 1984 , pp. 13 - 17
Copyright
Copyright © 1984 by the Weed Science Society of America 

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References

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