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Title: Field evaluation of Garlon 3A (triclopyr) and 14-ACE-B (2,4-D BEE) for the control of Eurasian watermilfoil
Authors: Aquatic Plant Control Research Program (U.S.)
Environmental Laboratory (U.S.)
U.S. Army Engineer Waterways Experiment Station.
Getsinger, Kurt D.
Westerdahl, Howard E.
Keywords: Aquatic weeds, Control.
Eurasian watermilfoil.
Controlled release technology.
Evaluation, Methodology.
2,4-D BEE.
Garlon 3A.
Publisher: Environmental Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Description: Miscellaneous Paper
Abstract: The efficacy and residue persistence in water and sediment of triclopyr (Garlon 3A) and the controlled-release (CR) formulation of 2,4-D BEE (14-ACE-B) on 0.4-ha plots of Eurasian watermilfoil (Myriophyllum spicatum L.) in Lake Seminole, Ga., were evaluated through field application. Results showed that rapid dissipation of triclopyr occurred in water and sediment in both the 1.0-mg/l active ingredient (a. i.) and 2.5-mg/l a.i. treatment plots. Triclopyr applied at these rates did not control watermilfoil as well as 2,4-D BEE applied at conventional rates. The CR elastomer formulation 14-ACE-B did not provide desired long-term 2,4-D concentrations in the water column, although watermilfoil was controlled for a short period of time. Triclopyr shows promise as an aquatic herbicide, but 14-ACE-B is unacceptable as a CR 2, 4-D formulation.
Appears in Collections:Miscellaneous Paper

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