GR Ragweed in Indiana Spreads Across the State
Glyphosate-resistant giant ragweed is spreading quickly throughout the state of Indiana. This article confirms glyphosate-resistant giant ragweed in at least 10 counties across the state, compared to last year where the problem was only found in one Indiana county. Have you noticed the spread of GR ragweed in your area, and if so, what have you done to manage it? If you have not experienced resistance problems, in what way will this threat change your management strategies?