| Title |
The Use of 2,4-D for Selective Control of an Early Infestation of Eurasian Watermilfoil in Loon Lake, Washington. Article in Journal of Aquatic Plant Management. 39: 117-125. |
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| Publication number |
Date Published |
| 01-03-047 | December 2001 |
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| VIEW NOW |
The Use of 2,4-D for Selective Control of an Early Infestation of Eurasian Watermilfoil in Loon Lake, Washington. Article in Journal of Aquatic Plant Management. 39: 117-125. (Number of pages: 9) (Publication Size: 93KB)
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| Author(s) |
Parsons, J., K. Hamel, J. Madsen, and K. Getsinger |
| Description |
A patchy distribution of Eurasian watermilfoil (Myriophyllum spicatum L.) in Loon Lake was treated with the herbicide 2,4-D during July 1998. Aquatic plant biomass and frequency data were collected before treatment, and six weeks and one year after treatment. Aqueous concentrations of 2,4-D increased to 1 to 2 mg/l within one day of treatment, and were below detection limits by one week after treatment. Macrophyte data were analyzed to assess the herbicide’s impacts on Eurasian watermilfoil as well as the rest of the aquatic plant community. Results showed a significant decrease in Eurasian watermilfoil biomass and frequency in treated areas 6 weeks after treatment, which continued through the one year posttreatment samples. No other plant species were significantly affected by the herbicide application. |
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| Contact |
Jenifer Parsons at 509-457-7136 or Jenp461@ecy.wa.gov |
| Keywords |
frequency, Myriophyllum spicatum L, native plants, herbicide, biomass, aquatic plants |
| WATERSHED |
Water Resource Inventory Area 59 Colville |
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