Abstract
Abstract Herbicide treatments were made to the cambial area of Piedmont hardwoods immediately after chainsaw clear-felling using Roundup® Velpar L ®, Tordon 101R®, Garlon 3A®, and Banvel CST®. Evaluations of the materials used were based on both percent kill of treated stumps and percent control of sprouting. Efficacy was determined for stumps treated during the dormant and growing season and for those growing on good versus poor sites. The interaction between herbicide and season of harvest was significant, with Tordon 101R, Velpar L, and Banvel CST all performing better on the dormant season-harvested areas. Garlon 3A and Roundup gave slightly better control of sprouting on the growing season-harvested areas. Based on percent kill, the Roundup, Garlon 3A, and Tordon 101R treatments were significantly more effective in controlling resprouting than the Velpar L and Banvel CST treatments. Two years after treatment, plots receiving the herbicide treatments had significantly less hardwood competition present. The hardwood basal area averaged 16.1 ft²/ac on untreated areas as opposed to 7.0 ft²/ac on the stump treated areas. South.J. AppL For. 11(1):46-49.
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