🛠️ Invention or technique

Glyphosate and GM crops (Flavr Savr, Roundup Ready, Bt)

Glifosato y cultivos transgénicos (Flavr Savr, Roundup Ready, Bt)

Date
1974-1996 · confidence high
Place
Monsanto, St. Louis, Missouri, United States; Calgene, Davis, California (Flavr Savr, 1994)
Credited to
John Franz (glyphosate, 1970); Monsanto (Roundup Ready soybean, 1996); Calgene (Flavr Savr tomato, first GM food, 1994); Robert Fraley, Marc Van Montagu and Mary-Dell Chilton (plant transformation, 1983)
People
👤 Marc Van Montagu1933–👤 Mary-Dell Chilton1939–2026👤 Robert Fraley1953–
Field
Life & health

What it is

Broad-spectrum herbicide and seeds modified to resist it or to produce their own insecticide (Bt). They cover most of the soybean, maize and cotton grown in the Americas.

What it led to

  • No-till farming and the dominance of a few seed companies
  • European opposition to GM crops and labelling
  • Herbicide-resistant weeds and glyphosate litigation
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