The Case for and Against Regulating Diquat in US Agriculture Diquat is a widely used herbicide in US agriculture, prized for its ability to quickly kill weeds on contact.
Its long history of use dates back decades, but concerns have grown about the potential risks associated with its use, including damage to non target organisms and the development of pesticide resistance.
History of Diquat Regulation The publication of Rachel Carson's book "Silent Spring" in 1962 brought widespread attention to the issue of pesticide use and its impact on the environment.