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    Author(s): Jeffrey D. Kochenderfer; James N. Kochenderfer
    Date: 2009
    Source: Gen. Tech. Rep. NRS-48. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 10 p.
    Publication Series: General Technical Report (GTR)
    Station: Northern Research Station
    PDF: View PDF  (2.23 MB)

    Description

    Application costs and efficacy for two concentrations of herbicide and treatment time intervals were determined for cut-stump treatments applied to American beech (Fagus grandifolia Ehrh.) to control root and stump sprouts in central West Virginia. Glyphosate as GlyproTM (53.8 percent a.i.) was applied to the outer 2 inches of beech stumps from trees ≥6.0 inches in diameter at breast height within 0 to 1 and 3 to 4 hours after cutting. In addition, the effects on efficacy of using two concentrations of GlyproTM (50 and 100 percent) were also evaluated. This study demonstrated that a 50-percent solution of GlyproTM was just as effective as a 100-percent solution and that an applicator could wait up to 4 hours after stems had been cut before applying the herbicide, without reducing efficacy.

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    Citation

    Kochenderfer, Jeffrey D.; Kochenderfer, James N. 2009. Effects of herbicide concentration and application timing on the control of beech root and stump sprouts using the cut-stump treatment

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    Keywords

    herbicides, American beech, efficacy, cut-stump treatment, costs, hardwood release, glyphosate, silviculture

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https://www.fs.usda.gov/treesearch/pubs/34216