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Aquatic Herbicide Testing, Toxicity, and EPA Registration

... mg/kg (male) > 100 ppm approx. 30 days microbial Carfentrazone not used in submersed treatments ... mg/kg 2 mg/L 3-9 days hydrolysis , microbial Copper 1 mg/L 470 mg/kg 0.884 mg/L in soft water ...

Details About the Aquatic Herbicides Used in Florida

... hydrolysis (breakdown due to contact with water), microbial breakdown (degradation from the action of microbes) and ... lettuce. Carfentrazone breaks down both through microbial action in soil and through hydrolysis with a ...

Amine Endothall Considerations

... Half  life in water about one week or less Microbial Microbial metabolism is  primary degradation pathway ...

Potassium Endothall Considerations

... Half-life is generally 3-7 days Microbial Primary degradation pathway - degradation rate is ... herbicide may be required in cooler months Microbial breakdown is slower so herbicide is active for longer ...

Diquat Considerations

... waters for submersed plant control Microbial Broken down microbial ly Photolysis   Broken down by sunlight ...

Herbicide Considerations Reference Guide—Introduction

... and timing of herbicide applications. Microbial / Photolysis : Most herbicide s are broken down ... not penetrate very deeply. Like photolysis , microbial degradation is generally more rapid in summer months when ...

Fluridone Considerations

... Mildly binds to clay and organic particles Microbial Broken down microbial ly – lesser pathway Photolysis Broken down ...

Integrated Plant Management

... rates of herbicide s if they are broken down microbial ly (microbes are more active in warmer waters). Winter treatment ... would need to be adjusted for cooler water with less microbial activity. Summer drawdown s may allow the spread of ...

Frequently Asked Questions

... carcinogenicity. Breakdown of 2,4-D in water occurs microbial ly and through photolysis and its half-life in ...

Frequently Asked Questions

... carcinogenicity. Breakdown of 2,4-D in water occurs microbial ly and through photolysis and its half-life in ...