Monsanto Monsanto The Monsanto Company () was an American agrochemical and agricultural biotechnology corporation that existed from 1901 until 2018 when it was acquired by Bayer. It was headquartered in Creve Coeur, Missouri. Monsanto developed Roundup, a glyphosate-based herbicide in the 1970s, and became a major producer of genetically engineered crops. Monsanto was one of four groups to introduce genes into plants (1983), and was among the first to conduct field trials of genetically modified crops, (1987). It was one of the top 10 U.S. chemical companies until it divested most of its chemical businesses between 1997 and 2002, through a
Monsanto crops died due to lack of rain. In 2012 Monsanto was the world's largest supplier of non-GE vegetable seeds by value, with sales of $800M. 95% of the research and development for vegetable seed is in conventional breeding. The company concentrates on improving flavor. According to their website they sell "4,000 distinct seed varieties representing more than 20 species". Broccoli, with the brand name "Beneforté", with increased amounts of glucoraphanin was introduced in 2010 following development by its Seminis subsidiary. Until it ended production in 1977, Monsanto was the source of 99% of the polychlorinated biphenyls (PCBs) used by U.S.