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Year-Round Hardwood Control Using the Hypo-Hatchet Injector

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Eleven hardwood species were treated with seven herbicides during the spring, summer, fall, and winter seasons using a hypo-hatchet injector. Late spring to fall injections were most effective and winter injections least effective. Early spring injection tended to allow revegetation by outgrowth of lateral buds. Most of the herbicides were effective at the tested concentrations with injections of 1-2 ml/2.5 cm of stem diameter, with the best results from DOWCO 233, Krenite, Tordon 101-R and 2,4-D amine, respectively. Overall control ranged from 81 to 96 percent, depending on herbicide treatment. Multiple clumps of red maple stems were not well controlled by injecting just one stem.
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Document Type: Journal Article

Affiliations: Associate Professor of Forestry, Purdue University, West Lafayette, Indiana

Publication date: 1980-05-01

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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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