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Filtering by: Subject Knapweeds -- Control -- Northwestern States Decade 1990-1999

Yellow starthistle : ecology and management on Pacific Northwest rangelands

Creator:

Oregon State University. Extension Service, Larson, Larry, Sheley, R., McInnis, M., and Kiemnec, Gary L.

Abstract:

Yellow starthistle (Centaurea solstitialis L.) is a member of the knapweed (Centaurea L.) complex. It is poor forage for all livestock and causes “chewing disease,” a nervous disorder, in horses. Yellow starthistle infests millions of acres in California and the Pacific Northwest. Infestations range from scattered plants to dense stands...

Resource Type:

Technical Report

Full Text:

Rangelands, EM 8580 (Oregon State University Extension Service) EM 8580 • Reprinted January 2008 $1.00
Common groundsel, Senecio vulgaris L.

Creator:

Aldrich-Markham, Susan, Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, United States. Department of Agriculture, and Pacific Northwest Cooperative Extension

Abstract:

Common groundsel, native to Europe, is now common throughout the temperate regions of the world. It is widespread in Oregon, Washington, and Idaho, but most common west of the Cascade Mountains. This weed is found in many crops, including forages, cereals, mint, berries, and row crops, as well as in...

Resource Type:

Technical Report

Full Text:

no C Susan Aldrich-Markham, Extension agent, Yamhill County, Oregon State University. A Pacific N