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Title: Herbicide hardwood crop tree release in central West Virginia
Author: Kochenderfer, Jeffrey D.; Zedaker, Shepard M.; Johnson, James E.; Smith, David W.; Miller, Gary W.
Source: Northern Journal of Applied Forestry. 18(2): 45-54.
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.
Keywords: herbicides, efficacy, crop tree release, hardwoods, economic benefits, silviculture
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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.
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