Aquacide — Q & A - How Do I Get Rid of Duck Potato or Arrowhead?

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Q & A - How Do I Get Rid of Duck Potato?

Published by Jamie Markoe on December 27, 2013 0 Comments

Duck Potato

A customer recently contacted us regarding weed & algae control. Below is the question and our response.

Question:

I have a plant that has over run my pond – I think it is duck potato. How can I get rid of some of it?

Answer:

Duck Potato is also known as Arrowhead, Indian potato or Wapato. Arrowhead, (sagittaria latifolia), is named for its arrow-shaped emergent leaves (some leaves may be elliptical shaped with sharp tips). Clusters of tiny white 3-petal flowers attached to a thick stalk are sometimes present.

Arrowhead is normally found in shallow wetlands and produces edible tubers that were extensively used by the Indigenous people in America.

Two good chemical options include:

Aquacide Pellets are a systemic option that is best applied early spring as new weeds begin to appear. Repeat treatment may be needed 3-5 weeks after the first application if Arrowhead begins to recover. Aquacide Pellets can be used for spot treatment or treatment of an entire pond. To confirm proper application rate, the length, width and maximum depth of the treatment area is needed.

AquaNeat/Shore-Klear Liquid is a second systemic option that can be applied mid-late season when weeds are actively growing and in full bloom.  This option can be used for spot treatment or treatment of an entire pond. For best results, mix 2 oz. of AquaNeat/Shore-Klear Liquid with enough water to make 1 gallon of solution and top with 1 oz. of Cygnet Plus Liquid (surfactant). One gallon of solution will treat 1,000 sq. ft. (100’ x 10’) one time. Repeat treatment 2-3 weeks after the first application may be needed if weeds begin to recover.

Arrowhead will thrive in calm, nutrient filled areas. If the nutrient level can be reduced, the amount of new growth should be significantly reduced. AquaClear Pellets are designed to strip nutrients from the water. For best results, apply AquaClear Pellets weekly for a minimum of 4 weeks.

Please feel free to e-mail me or post questions you may have and I will respond accordingly.

Next Steps:

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To learn about lake weed analysis click here

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