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The effect of 14, low-rate, chemical site preparation treatments and a control on competing vegetation was assessed in three clearcuts in central Wisconsin. Treatments were applied in July 1983, and vegetation response was measured in August 1983, 1984, and 1985. None of the treatments had lasting effects on grasses and sedges, although early top-kill resulted from Verdict and Velpar L treatments. Treatments containing Garlon 4 were particularly effective on oak sprouts, aspen, raspberry, and beaked hazel. Tordon 101 was also effective in controlling aspen. Sprouting oak stumps formed a persistent source of competing vegetation in the clearcuts. Tank mixes of Garlon 4 + Verdict and Velpar L + Garlon 4 were most effective in reducing the growth of the sprouting stumps; however, Garlon 4 appeared to be the primary oak control herbicide. North. J. Appl. For. 4:139-142, Sept. 1987.
Document Type: Journal Article
College of Natural Resources, University of Wisconsin-Stevens Point, Stevens Point, WI 54481
Publication date: September 1, 1987
More about this publication?
Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.