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Glyphosate (IUPAC name: N-(phosphonomethyl)glycine) is a broad-spectrum systemic herbicide and crop desiccant.It is an organophosphorus compound, specifically a phosphonate, which acts by inhibiting the plant enzyme 5-enolpyruvylshikimate-3-phosphate synthase (EPSP).
Horseweed is commonly considered a weed, and in Ohio, Oregon, and some other locations, [11] it has been declared a noxious weed. [12] [13] It was the first weed to have developed glyphosate resistance, reported in 2001 from Delaware. [14] It can be found in fields, meadows, and gardens throughout its native range.
Metsulfuron-methyl is an organic compound classified as a sulfonylurea herbicide, which kills broadleaf weeds and some annual grasses. [1] It is a systemic compound with foliar and soil activity, that inhibits cell division in shoots and roots. It has residual activity in soils, allowing it to be used infrequently but requiring up to 22 months ...
The non-selective herbicide kills weeds top to bottom, roots included, in a matter of minutes. Simply spray directly on weeds until foliage is wet, and let the Natria work its deadly magic.
The glyphosate-based herbicide RoundUp (styled: Roundup) was developed in the 1970s by Monsanto. Glyphosate was first registered for use in the U.S. in 1974. [4] Glyphosate-based herbicides were initially used in a similar way to paraquat and diquat, as non-selective herbicides. Attempts were made to apply them to row crops, but problems with ...
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.
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.
MCPA herbicide is usually sprayed to the soil surface and plant leaves in its water solution, sometimes with additional surfactant. MCPA in soil can be absorbed by plant roots, and translocated in phloem to leaves and stems. The MCPA residue left in soil typically has a half-life of 24 days. [15]