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Glyphosate based herbicides may be leading to overgrowth of blue-green algae in freshwater bodies, [103] while levels as low as 1 ug/L can lead to total loss of recruitment in the canopy forming marine macroalga, Carpodesmia crinita [104] potentially leading to population collapse. Glyphosate exposure can also alter the structure of natural ...
Herbicides (US: / ˈ ɜːr b ɪ s aɪ d z /, UK: / ˈ h ɜːr-/), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds. [1] Selective herbicides control specific weed species while leaving the desired crop relatively unharmed, while non-selective herbicides (sometimes called "total weed ...
2,4-Dichlorophenoxyacetic acid is an organic compound with the chemical formula Cl 2 C 6 H 3 OCH 2 CO 2 H.It is usually referred to by its ISO common name 2,4-D. [4] It is a systemic herbicide that kills most broadleaf weeds by causing uncontrolled growth, but most grasses such as cereals, lawn turf, and grassland are relatively unaffected.
Landscaping company in Oklahoma applying a weed control product that contains glyphosate Glyphosate has four ionizable sites, with pKa values of 2.0, 2.6, 5.6 and 10.6. [ 83 ] Therefore, it is a zwitterion in aqueous solutions and is expected to exist almost entirely in zwitterionic forms in the environment.
Dicamba is a selective and systemic herbicide that kills annual and perennial broadleaf weeds. [10] Its primary commercial applications are weed control for grain crops and turf areas. It is also used to control brush and bracken in pastures, as well as controlling legumes and cacti .
Imazapyr is a non-selective herbicide used for the control of a broad range of weeds including terrestrial annual and perennial grasses and broadleaved herbs, woody species, and riparian and emergent aquatic species. [1] It is used to control annual and perennial grass and broadleaved weeds, brush, vines and many deciduous trees.
In the USA, it is sold under the trade names Garlon, Remedy, Turflon, Weed-B-Gon (purple label), Brush-B-Gon among others, and in the UK as SBK Brushwood Killer. It is a major ingredient in Confront, which was withdrawn from most uses because of concerns about compost contamination from the other major ingredient, clopyralid .
Ammonium nonanoate is a nonsystemic, broad-spectrum contact herbicide that has no soil activity. [1] It can be used for the suppression and control of weeds, including grasses, vines, underbrush, and annual/perennial plants, including moss, saplings, and tree suckers.