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Comparison Of Rope-Wick And Broadcast Treatments For Control Of Canada Thistle And Tall Ironweed, Daisy M. Fryman
Comparison Of Rope-Wick And Broadcast Treatments For Control Of Canada Thistle And Tall Ironweed, Daisy M. Fryman
University of Kentucky Master's Theses
Tall ironweed (Vernonia altissima) and Canada thistle (Cirsium arvense) control in cool season grass pastures was evaluated in 2007 and 2008. Tall ironweed was evaluated in Fayette and Boone Counties, KY and Canada thistle was evaluated at Spindletop Research Farm. Herbicides applied selectively with a rope-wick were compared to a broadcast foliar spray. Treatments were a broadcast treatment, of aminopyralid + 2, 4-D and six rope-wick treatments: aminopyralid at three concentrations, glyphosate, triclopyr and clopyralid at one concentration each. The Boone County location had five broadcast foliar treatments: aminopyralid at three rates, triclopyr + fluroxpyr, and …