Winter Wheat Response to Preplant Applications of Aminocyclopyrachlor

Field studies were conducted in Wyoming and Nebraska in 2007 through 2009 to evaluate winter wheat response to aminocyclopyrachlor. Aminocyclopyrachlor was applied at rates between 15 and 120 g ai ha-1 6, 4, and 2 mo before winter wheat planting (MBP). Redroot pigweed control was 90% with aminocyclopyrachlor rates of 111 and 50 g ha-1 when applied 4 or 2 MBP. Aminocyclopyrachlor at 37 g ha-1 co…