http://www.ecy.wa.gov/programs/wq/plants/management/index.html Aquatic Plant Management Table of Contents 。 Eurasian Watermilfoil Eradication and Control Stratedies Manual Methods Mechanical Cutting Bottom Screening Instructions for Installing Bottom Screens (Barriers) A Bottom Screening Project in Lake Leland Automatic Plant Control Products (Sediment Agitation) Grass Carp Biological Control The Milfoil Weevil (Euhrychiopsis lecontei)in Washington Diver Dredaing Water Level Drawdown Harvesting Rotovation Aquatic Herbicides An Innovative Approach to Using Aquatic Herbicides Aquatic Vegetation Survey Methods A Citizen's Manual for Developing Integrated Aquatic Vegetation Management Plans Advantages and Disadvantages of Aquatic Plant Management Techniques by Dr.JJohn Madsen The Washington Lake Book
http://www.ecy.wa.gov/programs/wq/plants/management/index.html Table of Contents • Eurasian Watermilfoil Eradication and Control Strategies Eurasian Watermilfoil Eradication and Control Strategies • Manual Methods • Mechanical Cutting • Bottom Screening • Instructions for Installing Bottom Screens (Barriers) Instructions for Installing Bottom Screens (Barriers) • A Bottom Screening Project in Lake Leland • Automatic Plant Control Products (Sediment Agitation) • Grass Carp • Biological Control Biological Control • The Milfoil Weevil (Euhrychiopsis lecontei) in Washington • Diver Dredging • Water Level Drawdown • Harvesting • Rotovation • Aquatic Herbicides • An Innovative Approach to Using Aquatic Herbicides • Aquatic Vegetation Survey Methods Aquatic Vegetation Survey Methods • A Citizen's Manual for Developing Integrated Aquatic Vegetation Management Plans • Advantages and Disadvantages of Aquatic Plant Management Techniques by Dr. John Madsen • The Washington Lake Book
Mechanical,Harvesting ·Not recommended for pioneering infestations ·Can provide good maintenance control Production is variable based on transport distance Matching equipment to job is critical for success
Mechanical, Harvesting Mechanical, Harvesting • Not recommended for pioneering infestations • C id d an provide goo d maintenance control • Production is variable Production is variable based on transport distance • M t hi i t t M a t ching equipmen t to job is critical for success
Grass Carp 。 All or nothing solution, impacts on native plants ·Very low feeding preference for Eurasian Milfoil,will consume beneficial plants first Stocking rates critical to success ·Permits required
Grass Carp • All or nothing solution, impacts on native plants impacts on native plants • Very low feeding preference for Eurasian Milfoil, will consume beneficial plants first • Stocking rates critical to Stocking rates critical to success • Permits re quired
Herbicides Registered in Washington by WSDA for Use in Lakes and Ponds glyphosate(Rodeo,Pondmaster,etc) imazapyr (Habitat) 。 2,4-D 。 diquat (Reward) endothall (Hydrothol,Aquathol) 。 fluridone (Sonar) 。 triclopyr (Renovate copper materials (irrigation only) acrolein (Magnacide) petroleum distillates (xylene-Guardsman,etc.)
Herbicides Reg g istered in Washington by WSDA for Use in Lakes and Ponds • gl h t (R d lyphosate (Rodeo, Pd t on master, et ) c • imazapyr (Habitat) • 2,4-D • diquat (Reward) • endothall (Hydrothol, Aquathol) • fluridone (Sonar) • triclopyr (Renovate • copper materials (irrigation only) copper materials (irrigation only) • acrolein (Magnacide) • petroleum distillates (xylene- Guardsman, etc.)