Kochia

PhotoPhoto

Kochia control figure

Figure source: Curtis Thompson, Kansas State University. Full article here.

Herbicide resistant populations:

  • Group 2
  • Group 4
  • Group 5
  • Group 9
  • Group 14
  • Group 2 + 9
  • Group 2 + 5
  • Group 5 + 7
  • Group 4 + 9
  • Group 2 + 4 + 5 + 9

Locations of resistant populations:

Colorado, Illinois, Idaho, Indiana, Kansas, Michigan, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, Oregon, South Dakota, Texas, Utah, Washington, Wisconsin, Wyoming

Resources:

Kochia Control Recommendations – Kansas State University

Kochia Fact Sheet – Herbicide Resistance Action Committee

Identification and Management of Kochia and Russian Thistle – Colorado State University