Glyphosate-resistant johnsongrass in LouisianaGlyphosate-resistant johnsongrass in Louisiana

Glyphosate-resistant johnsongrass is becoming a concern in some areas of Louisiana, says Dr. Daniel Stephenson, assistant professor of weed science at the Louisiana State University Dean Lee Station at Alexandria. Growers and consultants need to be on the alert for potential problems and to quickly take steps to prevent its spread, he says.