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Injection Treatments for Killing Bottom-Land Hardwoods

Published online by Cambridge University Press:  12 June 2017

Fred A. Peevy
Fred A. Peevy*
Affiliation:
1102 Timber Management Research Project, Southern Forest Exp. Sta., US Dep. of Agr. Forest Service, Pineville, Louisiana 71360
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Abstract

Injection of undiluted dimethylamine salt of (2,4-dichlorophenoxy)acetic acid (2,4-D) containing 479 g/L killed several species of bottom-land hardwoods when applied in 1 or 2-ml dosages in injections spaced from edge-to-edge to 23 cm apart. Most hardwoods were easier to kill in June than in September or December. For greatest economy, treatments should be varied by species and seasons. A 4:1 mixture of triisopropanolamine salts of 2,4-D and 4-amino-3,5,6-trichloropicolinic acid (picloram) containing 305 g/L was effective on some species resistant to 2,4-D, including eastern persimmon (Diospyros virginiana L.), swamp privet (Forestiera acuminata (Michx.)Poir.), and bitter pecan (Carya x lecontei Little).

Type
Research Article
Information
Weed Science , Volume 20 , Issue 6 , November 1972 , pp. 566 - 568
Copyright
Copyright © 1972 Weed Science Society of America 

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References

Literature Cited

1. Peevy, F. A. 1968. Controlling upland hardwoods by injecting undiluted 2,4-D amine. J. Forest. 66:483–487.Google Scholar
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