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Forage Weeds
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General Information
Weed ID
Noxious Weeds
Weed Free Hay

General Information
Sandbur Control in Alfalfa (Yuma Co. Farm Notes 6/2004)
Tillage Equipment
Alfalfa Weed Control in the Low Deserts of Arizona (2002), PDF file, 96 KB
Establishing Irrigated Pasture at 4,000 to 6,000 Ft. Elevations in Arizona (1994) (4 pp.) PDF file, 48 KB


Herbicide Information
Chemical Weed Control for Alfalfa in the Low Deserts of Arizona (11/03) PDF file 84KB
Detour signHerbicide Injury Symptoms (UA & UC)
Herbicide Symptoms - an overview of herbicides, their classification, mode of action, and target weeds are provided along with photos of symptoms. A presentation.
Hazard From Herbicide Used in Previous Crop, PDF version, 26KB
Herbicide Resistance
Detour sign International Survey of Herbicide Resistant Weeds


Weed ID

AZ Weed Photo Gallery
Detour signUC Pest Management Guidelines
Detour signAn Illustrated Guide to Arizona Weeds, published by University of Arizona Press.
Detour signWeed Science Society of America
Detour signWeed Images and Descriptions by Rutgers Cooperative Extension.
Detour signWeed ID - University of Illinois (nice pictures)

Detour signNoxious Weeds

Noxious Weed List - Arizona Department of Agriculture
Rangeland Noxious Weeds and Invasive Species - University of Arizona
Poisinous Plants Database (Cornell University)
The Weed Hall of Shame presented by the U.S. Bureau of Land Management as part of its environmental education pages.

Detour signWeed Free Hay

Nevada Weed Free Hay certification program

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