Effect of Herbicides on Field Violet (Viola arvensis) in Four Direct-Seeded Canola Management Systems1

  title={Effect of Herbicides on Field Violet (Viola arvensis) in Four Direct-Seeded Canola Management Systems1},
  author={R. Degenhardt and K. Harker and A. K. Topinka and W. R. McGregor and L. Hall},
  booktitle={Weed Technology},
Field violet is a winter or summer annual plant that is a serious weed of canola crops in Europe. It is a weed of increasing concern within reduced tillage fields in central Alberta, where its response to registered herbicides has not been evaluated. Two commercial fields within the Aspen Parkland ecoregion of Alberta were used to evaluate the efficacy of postemergence (POST) herbicides against field violet in conventional, imidazolinone-resistant (IMI-resistant) and glufosinate-resistant… Expand
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