Duckweeds are tiny free floating plants that are native to australia.
Duckweed chemical control australia.
Chemical control there are several options to control duckweed in ponds.
Controlling duckweed includes the physical removal of duckweed and watermeal plants.
Free floating weed control is an effective way to control salvinia duckweed lemna and all types of azolla.
Roundup pro biactive is the most widely used chemical for control of duckweeds.
You will have to use the maximum recommended dosage of tsunami dq which is 2 gallons of product per acre.
Herbicides will also kill duckweed but are more expensive.
Follow these specific steps to ensure you are applying the product appropriately.
They include the smallest flowering plants on earth.
Manual removal of duckweed is the cheapest way to controlling this invasive aquatic plant.
Duckweed control includes the removal of leaf buildup on the bottom of the pond.
Care should be taken when controlling very severe infestations not to cause de oxygenation of the water as large quantities decompose at once.
Step 3 use the pond herbicide tsunami dq to get existing duckweed under control.
They are an important food source for birds and aquatic animals.
Use a season long herbicide such as airmax wipeout or sonar a s.
No matter which control method you choose it.
For effective duckweed control and removal at a reasonable cost and without environmental damage or risk to water users choose which pond solution.
For example on a 1 acre pond apply 1 2 quart and then the other 1 2 quart 10 to 14 days later.
Apply the chemical fairly evenly over the water surface.
It is very safe to the aquatic fauna and can be used in the presence of all species of fish.
Duckweed can form a dense green mat on the surface of a slow moving or stationary water body in nurtrient rich conditions.
It does not affect other aquatic plants and treated water is safe for use as there is no withholding period.
Treat as soon as plants appear in the spring.
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.
It is a natural product based on orange oil extracts that is safe and easy to apply.
Failure to follow these instructions will result in wasted time and money.
What does it look like.
