West Virginia

Problem Weeds in West Virginia (1999) – West Virginia University

Weed Science Contacts in West Virginia:

Rakesh Chandran – Professor and Extension Weed Specialist

Herbicide Resistant Weeds in West Virginia

Updated: March 27, 2017. www.weedscience.org 

Reading this list: Each weed with herbicide resistant populations in this state is listed. Underneath each species is a list of the unique resistant biotypes of that weed in the state, according to the herbicide group(s) they are resistant to.

Common lambsquarters

  • Group 5 (atrazine)

Horseweed

  • Group 9 (glyphosate)

Redroot pigweed

  • Group 5 (atrazine)

Johnsongrass

  • Group 2 (ALS; nicosulfuron)