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Facts About Glyphosate-Resistant Weeds |
Understanding Glyphosate to Increase Performance |
Biology and Management of Horseweed |
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Information about the development of glyphosate resistance in weeds and the consequences of development.
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Efficacy, cost, and ease of use are reasons for glyphosate use. On occasion growers experience poor weed control due to reasons other than resistance. |
Glyphosate resistant horseweed populations have been identified in 14 states in the US. This publication discusses horseweed's biology and preventative measures. |
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Biology and Management of Wild Buckwheat |
Biology and Management of Common Lambsquarters |
Biology and Management of Giant Ragweed |
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Heavy reliance on glyhosate can lead to a shift to glyphosate tolerant species such as wild buckwheat. This publication discusses wild buckwheat's biology and preventative measures. |
Lambsquarters resistance to triazines, ALS inhibitors, and insensitivity to glyphosate makes this weed a serious threat to soybean production. |
Giant ragweed is one of the most competative weeds in corn and soybean in the eastern corn belt. |
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Biology and Management of Waterhemp |
Corn and Soybean Herbicide Mode of Action Chart |
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Waterhemp is one of the most common weeds Midwest farmers must contend. Biotypes of waterhemp have been found resistant to ALS, PPO, triazine, and glyphosate. |
This chart will help you choose herbicides with different modes of action to reduce selection pressure for herbicide resistant weeds.
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The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, and marital or family status. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD)
To file a complaint of discrimination write USDA, Director, Office of Civil Rights, Room 326-W, Whitten Building, 14th and Independence Avenue, SW, Washington, DC 20250-9410 or call (202) 720-5964 (Voice or TDD). USDA is an equal opportunity provider and employer. |
