Best Weed Killer: What Is It?
The word “weedkiller” comes from the fact that it kills weeds. However, there are other types of weedkillers which do not have such negative effects. For example, some weedkillers may actually make plants grow faster or even cause them to produce more buds!
So what is the difference between these two kinds of weed killers?
Well, they both work on certain types of plant life but different varieties.
Some weedkillers target only certain types of plants. These include herbicides like glyphosate (Roundup) and atrazine (Atrazine). Other weedkillers target specific species of plants. These include fungicides like fumigants like pyrethrins and carbamates. And still others target a variety of plant life, including insecticides like pyrethroids and neonicotinoids.
So how does one choose which type of weedkiller to use?
There are many factors to consider when choosing the right weedkiller for your garden. One of the most important ones is whether you want to control weeds or just prevent them from growing in the first place. If you’re trying to keep weeds under control, then using a non-selective weedkiller would probably be better than one that targets all types of plants. If you’re just trying to prevent them from growing, then using a non-chemical solution like gravel or cardboard would be better for the environment.
Best Weed Killer: How it works
When it comes to weedkillers, there are several different types of weedkiller chemicals, each with their own way of working. There are two main types of weedkillers: Non-selective and selective. Both of these types of weedkillers work in different ways:
As the name suggests, non-selective weedkillers kill all types of plants, whether they’re flowers, grass, or anything else. Non-selective weedkillers spread throughout all the plants in your yard and destroy their cells, ultimately causing them to wither and die. These are usually used for clearing out large patches of land or killing off unwanted plants that grow in your yard. Some common types of non-selective weedkillers are glyphosate (Roundup), atrazine, and 2, 4-D.
These types of weedkillers usually kill off unwanted plants but allow the wanted ones to flourish. They do this by targeting specific enzymes that are found in all plants but not in animals or humans. As a result, the weeds are destroyed while your flowers or lawn are left alone. Some common types of selective weedkillers are the fumigants like dichloropropene and metam salts, as well as the insecticides like pyrethrin, nylar, and spinosad.
How to use
Using weedkillers is fairly easy to do. If you want to use a non-selective weedkiller for your yard, then all you have to do is spread the chemical over all the plants in your yard that you want to kill. Leave it on the plants for a few days and then water it in well. This should kill all the plants that you applied it to.
For selective weedkillers, it’s important that you read the instructions very carefully before using them. Usually, all you have to do is spray or spread the weedkiller over the plants that you want to get rid of and leave it on there for a few days before watering it in well. If you follow the instructions in the manual for each weedkiller, you should have no problems using it.
How long does it last?
To determine how long a particular weedkiller lasts, look at the active ingredient in the product. The higher the percentage of that ingredient, the longer the weedkiller lasts. For non-selective weedkillers, the active ingredient is usually glyphosate which lasts up to four months in most instances. It all depends on the climate and weather conditions where you live, though. For selective weedkillers, it usually depends on the plant that it kills, with the active ingredient being specific to that plant.
What are the side effects?
Some weedkillers have dangerous side effects that can be really harmful to humans and animals. Before using any weedkillers, it’s important to read the labels and make sure that you’re not going to have any harmful reactions to it. Some common side effects are rashes, blisters, nausea, vomiting, dizziness, and even respiratory arrest. If you think you are having a reaction to the weedkiller, seek medical attention immediately.
Sources & references used in this article:
Improving batch cooling seeded crystallization of an organic weed-killer using on-line ATR FTIR measurement of supersaturation by F Lewiner, G Fevotte, JP Klein, F Puel – Journal of crystal growth, 2001 – Elsevier
Weed killer by HGM Fischer – US Patent 2,414,640, 1947 – Google Patents
Glyphosate, Top-Selling Weed Killer, Wins EU Approval for 5 Years by D Hakim – New York Times, 2017 – pesticidetruths.com
Chemical composition, weed killer and antifungal activities of Tunisian thyme (Thymus capitatus Hoff. et Link.) essential oils by I Saoud, L Hamrouni, S Gargouri, I Amri… – Acta …, 2013 – akjournals.com
IPC: a new weed killer by VH Freed, HE Bierman – 1950 – ir.library.oregonstate.edu
Range management by AW Sampson – 1952 – journals.uair.arizona.edu