Effect Of Fluridone On The Eurasian Watermilfoil Weevil
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- Mechanical choppers or harvesters reduce large amounts of plant mass in a short period of time, but the Eurasian milfoil’s fragments can tangle in the machinery and spread infestation. Harvesting must be done several times a year.
- Chemical control herbicides like fluridone is highly effective in the reduction of the Eurasian watermilfoil. Fluridone is distributed throughout the plant and affects the ability of it to photosynthesize, killing it. It is used at extremely low rates (10 to 20 parts per billion), but requires a long contact time of 4-6 weeks. Unluckily, fluridone is non-selective and can likewise affect native plant populations.
- Biologically, the Euhrychiopsis lecontei, or the milfoil weevil, is a native North American weevil