Diquat Regulation in US Agriculture: A Complex Web of Rules and Alternatives Diquat is widely used as an herbicide in American agriculture, applied to over 100 million acres annually.
Its effectiveness has made it a staple in many crop rotations, but its use comes with significant environmental costs.
Regulatory efforts aimed at mitigating diquat's impact on non target organisms and ecosystems have grown. History of Diquat Use in US Agriculture Diquat was first registered for use in the United States in 1966 by J.