Weed Resistance Management

Tough to Control Weeds

Monsanto is committed to providing the information and product recommendations necessary to minimize the risk of developing weed resistance. This information on the management of specific weeds is targeted at increasing awareness of important weeds and helping preserve glyphosate efficacy: Click on the links below to review and print weed specific information about the weeds including information on their biology, the geographic spread and specific directions on how to control them in different crops

Annual Morningglories (.pdf 106K)

Common lambsquarters (.pdf 108K)

Common ragweed (.pdf 107K)

Eastern black nightshade (.pdf 110K)

Giant ragweed (.pdf 150K)

Italian Ryegrass (.pdf 133K)

Johnsongrass (.pdf 133K)

Kochia (.pdf 124K)

Marestail (.pdf 133K)

Palmer amaranth (.pdf 138K)

Rigid Ryegrass (.pdf 126K)

Velvetleaf (.pdf 107K)