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    Author(s): Jeffrey D. Kochenderfer; Shepard M. Zedaker; James E. Johnson; David W. Smith; Gary W. Miller
    Date: 2001
    Source: Northern Journal of Applied Forestry. 18(2): 45-54.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: View PDF  (66.72 KB)

    Description

    Chemical crop tree release treatments were applied to young hardwood stands at three sites in central West Virginia to evaluate the effectiveness of glyphosate as Accord (41.5% SL), imazapyr as Arsenal AC (53.1% SL) and Chopper (27.6% EC), and triclopyr as Garlon 3A (44.4% triethylamine salt SL), and Garlon 4 (61.6% butoxyethyl ester EC) using hack-and-squirt injection and low volume stem bark band application methods. American beech (Fagus grandifolia Ehrh.) was a major competitor to black cherry (Prunus serotina Ehrh.) crop trees at each site. The treatments were applied in June and evaluated 12 months after treatment. A numerical rating system ranging from 1 to 7 (0?100% crown affected), which utilized visual symptoms, was used to evaluate the efficacy of each treatment. Trees receiving a rating of 5 (75% crown control) or greater were considered controlled.

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    Citation

    Kochenderfer, Jeffrey D.; Zedaker, Shepard M.; Johnson, James E.; Smith, David W.; Miller, Gary W. 2001. Herbicide hardwood crop tree release in central West Virginia. Northern Journal of Applied Forestry. 18(2): 45-54.

    Keywords

    herbicides, efficacy, crop tree release, hardwoods, economic benefits, silviculture

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