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Roundup is a brand name of herbicide originally produced by Monsanto, which Bayer acquired in 2018. Prior to the late-2010s formulations, it used broad-spectrum glyphosate-based herbicides. [1]
Polyethoxylated tallow amine (POEA) is a surfactant added to Roundup and other herbicides as a wetting agent. [17] POEA is not a single surfactant, but a complex mixture. The composition of each POEA surfactant is a proprietary trade secret. Monsanto's RoundUp, for example, contains a proprietary POEA surfactant called MON 0818 at a 15% ...
In 2009, Canada identified its first resistant weed, giant ragweed, and at that time 15 weed species had been confirmed as resistant to glyphosate. [ 188 ] [ 195 ] As of 2010, in the United States 7 to 10 million acres (2.8 to 4.0 million hectares) of soil were afflicted by herbicide-resistant weeds, or about 5% of the 170 million acres planted ...
John E. Franz (born December 21, 1929) is an organic chemist who discovered the herbicide glyphosate while working at Monsanto Company in 1970. [1] The chemical became the active ingredient in Roundup, a broad-spectrum, post-emergence herbicide.
[10] [11] [12] In June 2020, Bayer agreed to pay numerous settlements in lawsuits involving ex-Monsanto products Roundup, PCBs and Dicamba. [13] Owing to the massive financial and reputational blows caused by ongoing litigation concerning Monsanto's herbicide Roundup, the Bayer-Monsanto merger is considered one of the worst corporate mergers in ...
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.
The USDA completed an environmental impact study of Roundup Ready sugar beets in 2012 and concluded that they are safe, at which time they were deregulated. [11] In 2016, Monsanto introduced Roundup Ready Xtend soybeans, modified to tolerate both dicamba and glyphosate. Xtend soybeans were planted on 1 million acres in 2016, and by 2020 were ...
[11] [12] Their selectivity for grasses arises because they target the isoform of the enzyme present only in the plastids of these species, making them ineffective on broad-leaf weeds and other organisms including mammals. [13] When applied as an ester, metabolism in the target plant leads to the parent acid which is responsible for the ...
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