US herbicide approval requests
The US EPA has notified the receipt of numerous applications to register herbicides based on new active ingredients. They include more than 30 applications for products based on DuPont’s non-crop herbicide, aminocylcopyrachlor, alone and in combination with chlorsulfuron, imazapyr, metsulfuron or sulfometuron. DuPont revealed four trade names for aminocyclopyrachlor-based products last year ( Agrow No 569, p 28). It aims to introduce the herbicides this year, subject to approval.