Algae
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Chemical Treatments
Read and follow label instructions before using any chemical in water. Refer to the publication 2010 Weed Control Guidelines for Mississippi for specific recommendations, application rates, and water use restrictions.
Plankton (single cell)
- Cooper complexes, Copper sulfate
Algimycin PWF, Captain, Clearigate, Current, Cutrine-Plus, Cutrine-Ultra, Harpoon, Komeen, K-Tea, Nautique, Symmetry
Filamentous and Water Net
- Cooper complexes, Copper sulfate
Algimycin PWF, Captain, Clearigate, Current, Cutrine-Plus, Cutrine-Ultra, Harpoon, Komeen, K-Tea, Nautique, Symmetry - Diquat
Harvester, Redwing, Reward, Weedtrine
Water use restrictions for drinking and animal consumption with this herbicide. Irrigation restriction. - Hydrothol 191
Be very careful when using endothall, since it can be toxic to fish when misapplied
Chara and Nitella
- Cooper complexes, Copper sulfate
Algimycin PWF, Captain, Clearigate, Current, Cutrine-Plus, Cutrine-Ultra, Harpoon, Komeen, K-Tea, Nautique, Symmetry - Hydrothol 191
Be very careful when using endothall, since it can be toxic to fish when misapplied
The information given here is for educational purposes only. Reference to commercial products or trade names is made with the understanding that no discrimination is intended toward other products that may also be suitable.
Special care was taken to make certain that all herbicide treatments are registered with the Environmental Protection Agency for use in the manner described. Registrations of specific practices are often changed or deleted; therefore, treatments suggested in this information sheet may not remain current indefinitely. Read and observe the manufacturer's label to prevent misuse of a herbicide. It is not intended or proposed that usage of any given practice suggested be in violation with existing registration or manufacturer's label.
If you fail to carefully read and follow suggested treatments, you could cause extensive damage to the environment, crops, livestock or humans.
Biological Treatments
Specific kinds of algae can be effectively controlled using grass carp as an alternative to chemical treatments. Grass carp are highly effective in controlling muskgrass (Chara spp.) and stonewort (Nitella spp.), but are ineffective at controlling planktonic and other forms of filamentous algae. Generally, 5 to 10 grass carp per surface acre will control weeds. See publication 1894 - Grass Carp in Mississippi Farm Ponds for more information.