Care should be taken when controlling very severe infestations not to cause de oxygenation of the water as large quantities decompose at once.
Duckweed chemical control australia.
They are an important food source for birds and aquatic animals.
Use a season long herbicide such as airmax wipeout or sonar a s.
Controlling duckweed includes the physical removal of duckweed and watermeal plants.
Herbicides will also kill duckweed but are more expensive.
For effective duckweed control and removal at a reasonable cost and without environmental damage or risk to water users choose which pond solution.
Failure to follow these instructions will result in wasted time and money.
Apply the chemical fairly evenly over the water surface.
It does not affect other aquatic plants and treated water is safe for use as there is no withholding period.
Duckweed control includes the removal of leaf buildup on the bottom of the pond.
One treatment treats the entire body of water for duckweed and many other common pond weeds for the season.
Duckweeds are tiny free floating plants that are native to australia.
Duckweed can tolerate a wide range ph between 4 5 and 7 5 as well as temperatures between 68f 20c and 86f 30c making duckweed a challenging aquatic plant management issue worldwide.
Follow these specific steps to ensure you are applying the product appropriately.
Free floating weed control is an effective way to control salvinia duckweed lemna and all types of azolla.
It is very safe to the aquatic fauna and can be used in the presence of all species of fish.
Treat as soon as plants appear in the spring.
No matter which control method you choose it.
For duckweed control apply at 1 quart per surface acre where the average depth is 4 feet in a split application 10 to 14 days apart.
You will have to use the maximum recommended dosage of tsunami dq which is 2 gallons of product per acre.
Chemical control there are several options to control duckweed in ponds.
They include the smallest flowering plants on earth.
Roundup pro biactive is the most widely used chemical for control of duckweeds.
Manual removal of duckweed is the cheapest way to controlling this invasive aquatic plant.
Catch falling leaves in autumn before they reach the pond floor by placing netting or other material on top of the water as a partial means of duckweed control.
For example on a 1 acre pond apply 1 2 quart and then the other 1 2 quart 10 to 14 days later.
It is a natural product based on orange oil extracts that is safe and easy to apply.