The Biology of Downy Brome (Bromus tectorum)

Downy brome (Bromus tectorum L. # BROTE), also known as cheatgrass, downy chess, broncograss, Mormon oats, and junegrass, was introduced into the United States from Europe, apparently during the middle of the nineteenth century (11, 21). According to Mack (23), downy brome entered British Columbia,...

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Bibliographic Details
Published in:Weed science 1984, Vol.32 (S1), p.7-12
Main Authors: Thill, Donald C., Beck, K. George, Callihan, Robert H.
Format: Article
Language:English
Subjects:
Agricultural soils
Germination
Grasses
Plant roots
Plants
Rangeland soils
Seedlings
Soil depth
Soil water
Wheat
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Summary:Downy brome (Bromus tectorum L. # BROTE), also known as cheatgrass, downy chess, broncograss, Mormon oats, and junegrass, was introduced into the United States from Europe, apparently during the middle of the nineteenth century (11, 21). According to Mack (23), downy brome entered British Columbia, Washington, and Utah around 1890; and by 1928 it had reached its present range, occupying much of the perennial grassland in Washington, Idaho, Oregon, Nevada, Utah, and British Columbia. Today, downy brome is a widespread weed throughout most of Canada, Mexico, and the United States, except for the southeastern United States (5, 17). Some consider downy brome to be an important forage because it provides most of the early spring grazing for livestock in western United States rangeland (21). However, it is also considered a troublesome weed in rangeland (31), winter wheat (Triticum aestivum L.) (27), several other crops (29), and noncropland (32).
ISSN:0043-1745
1550-2759
DOI:10.1017/S0043174500060185