Hardwood Topkill by Four Herbicides Injected at Wide Spacings

Author: Campbell T. E.  

Publisher: Society of American Foresters

ISSN: 0148-4419

Source: Southern Journal of Applied Forestry, Vol.9, Iss.2, 1985-05, pp. : 99-102

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Abstract

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.