They form the basis of a waterbody’s health and productivity But once these plants grow excessively they pose nuisance to the swimmers and marine life especially fish that can be choked out by extremely thick weed beds. Though, this may just look like any other ordinary plant, but these weeds do have a detrimental effect on ornamental pond and lake frontages.
Usually aquatic weeds tend to grow during spring and summer, i.e. when water temperature surges above 6°C (43°F). During this period, they grow rapidly and take over garden ponds. Now we will take you through few simple steps of controlling this recurrent problem of weeds, through chemical method.
Identification of weed: It’s imperative that you first identify the type of weed that is creating a menace in your pond or lake as different weeds call for different kind of treatment and chemicals. Precisely, it’s extremely important that you choose the right kind of weed killer and for that you should be fully aware of its specie. In most cases and as for a layman, its typical to identify the weed specie,
Forms of weed killer -You can find a wide range of weed killer in the market and they come in solid as well as liquid form. It’s important that you know the ramifications of using it. Improper use of weed killer can have various implications on aquatic life, nearby vegetation and people who swim in that lake.
Application of Weed Killer -This is perhaps the most important part when it comes to killing weeds. First always read instructions on the back of label, please do note the time it suggest for abstaining it from swimming or entering inside the water as well as irrigation.
Temperature consideration is also important – Typically, late spring is the ideal time when water temperature is in the 50s and plants are young and weak during this time so it will take less material.
In most cases, people try and treat these weeds too harshly and apply too much quantity, which can cause hazardous effects on the flora and fauna thriving inside the pond. Hence its suggested not to overapply the herbicide.
Always remember that the right approach to killing weeds will prove successful.