All posts tagged giant ragweed

  • Resistance Concerns Drive Need for New Options

    Indiana: It’s not unusual to find a variety of tough, herbicide-resistant weeds in southern IN. The White River continually carries weed seeds from northern IN into southern IN corn fields via its east and west forks, complicating efforts to fight resistance. Caption: Vallonia, IN: A foundation rate of 1.25 qts/A Acuron and 1 qt/A atrazine applied at planting on April 13 followed by the remaining 1.25 qts/A Acuron and 1 qt/A glyphosate in the middle…

An agronomic image showing a clean vs. giant ragweed-filled field.