| Pesticide | Year marketed | Year Resistance first observed |
| DDT | 1943 | 1950 |
| 2,4 D | 1945 | 1954 |
| Delaphon | 1953 | 1962 |
| Atrazine | 1958 | 1968 |
| Picloram | 1963 | 1988 |
| Trifluralin | 1963 | 1988 |
| Triallate | 1964 | 1987 |
| Diclofop | 1980 | 1987 |
| ave. | 14.7 yr | |
|
Palumbi, S.R. 2001. Humans as the World's Greatest Evolutionary Force. Science 293: 1786-1790. | ||