1. Dupont.(2009).Accent Q herbicide product label.Wilmington DE:Dupont PublicationNo. H‐65694.
2. Bayer CropScience(2015).Capreno herbicide product label.Research Triangle Park NC.Bayer CropScience PublicationNo. 150402H
3. Bayer CropScience. (2016a).Corvus herbicide product label.Research Triangle Park NC:Bayer CropScience PublicationNo. 161219C.
4. Bayer CropScience. (2016b).Varro herbicide product label.Research Triangle Park NC:Bayer CropScience PublicationNo. 160310CV2.
5. A history of weed control in the United States and Canada—a sequel