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Aquatic Herbicide Testing, Toxicity, and EPA Registration

... Herbicide Maximum Use Rate for Submersed Treatments* Acute Toxicity Lab Rat – LD 50 ... microbial Carfentrazone not used in submersed treatments 4,000 mg/kg 2 mg/L 3-9 days hydrolysis ...

Why Manage Plants?

... ecosystems require a diverse assemblage of native submersed , emersed , free-floating and floating-leaved ...

Maintenance Control Strategy

... displaced native bulrush and shaded out native submersed plants which are important habitat for fish, waterfowl, and other ...

Imazamox Considerations

... clay and organic particles May dissipate widely in submersed plant applications depending on water movement Herbicidal ... granular formulation for spot and large-scale submersed plant applications - acts like contact-type herbicide ...

Penoxsulam Considerations

... contact time of 60-120 days for submersed plant control, depending on plant species and level of plant ... depth Amounts used are depth dependent for submersed plant control – see label for chart Water ...

Potassium Endothall Considerations

... lily Nymphoides cristata Occasional Submersed application of potassium endothall or potassium and amine ... Rate Generally applied at 1-5 ppm for submersed aquatic plant control: 1-3 ppm for hydrilla and Eurasian water ...

Hygrophila

... aquarium trade Aquatic community Submersed , emergent Habitat Wet soils to water 15 ...

Hydrilla

... 1950s, aquarium trade Aquatic community Submersed , surface mats Habitat Inches to 35 feet deep ...

Details About the Aquatic Herbicides Used in Florida

... appears to offer selective control of many submersed and a few floating aquatic weed species. Application rate s are in the 20-40 ppb range for submersed weed control and up to 2 oz/acre for emergent and ... can also be used in a tank mix to control certain submersed plants. Diquat is relatively ineffective when used alone to ...

Fluridone Considerations

... bathymetry is imperative for hydrilla and other submersed plant controlcontrol Water movement Maintaining ... 90 days or more may be required for submersed plant (hydrilla) control - shorter for young actively growing ...