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Hardwood Topkill by Four Herbicides Injected at Wide Spacings

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Mixed southern hardwood species ranging from 1 to 12 inches dbh were injected with 2,4-D at 2-inch spacings and with Tordon 101®, Garlon 3A®, and Roundup® at 5-inch spacings. Tordon and Garlon killed 92 and 93% of all stems and were rated as satisfactory. Roundup and 2,4-D killed 82 and 80% of injected stems; although neither was significantly less effective than Tordon and Garlon, both were rated as only marginally satisfactory.

Document Type: Journal Article

Affiliations: Silviculturist, USDA Forest Service, Southern Forest Experiment Station, Pineville, Louisiana 71360

Publication date: 1985-05-01

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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 Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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