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Effects of Sulfometuron on the Emergence and Growth of Seeded Northern Red Oak, White Ash, and White Pine

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Sulfometuron (OustĀ®) and glyphosate (RoundupĀ®) were applied separately and as tank mixes to plots direct seeded with northern red oak, white ash, and white pine. Treatments included applications of glyphosate, sulfometuron (low and high rate), sulfometuron (low and high rate) + glyphosate, and an untreated control. Results after 2 years showed no effect of sulfometuron at either rate on the emergence of northern red oak and white ash. Emergence of white pine was reduced by both rates of sulfometuron alone or in combination with glyphosate. Sulfometuron at the higher rate alone or in combination with glyphosate reduced the height growth of northern red oak and white ash, and increased first-year mortality of northern red oak. Height growth and first-year survival of white pine was not affected by either rate of sulfometuron. Glyphosate alone or in combination with sulfometuron at the lower rate had no adverse effect on the emergence or seedling growth of northern red oak, white ash, or white pine. North. J. Appl. For. 8(1):9-11

Document Type: Journal Article

Affiliations: School of Forest Resources, The Pennsylvania State University, University Park, PA 16802

Publication date: 1991-03-01

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  • 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.
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