Pondweed

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Chemical Treatments

Read and follow label instructions before using any chemical in water. Dilute with enough water to permit even coverage over area to be treated. There may be restrictions or waiting periods on treated water.

• Endothall - 1 gallon per surface acre. In some cases you may have to use as much as 1 gallon per acre foot, depending on plant species, age of plant, and plant density.
• Reward (Diquat) - 1½ gallons per surface acre.

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.

We have taken particular attention to make certain that all herbicide treatments have been registered with the Environmental Protection Agency for use in the manner described. Registrations for 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 in this information sheet 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

Grass carp can provide moderate control of this aquatic weed. Generally, 5 to 10 grass carp per surface acre will control weeds. Extremely inundated ponds will need higher stocking levels. See publication 1894 - Grass Carp in Mississippi Farm Ponds for more information.