Article contents
Resistance of Enlist™ (AAD-12) Cotton to Glufosinate
Published online by Cambridge University Press: 19 June 2017
Abstract
Enlist™ cotton contains the aad-12 and pat genes that confer resistance to 2,4-D and glufosinate, respectively. Thirty-three field trials were conducted focused on Enlist cotton injury from glufosinate as affected by cotton growth stage, application rate, and single or sequential applications. Maximum injury from a single application of typical 1X (542 g ae ha-1) and 2X use rates was 3 and 13%, respectively, regardless of growth stage. Injury from sequential applications of 1X or 2X rates was equivalent to single applications. Similar injury was observed with four commercial formulations of glufosinate. Cotton yield was never affected by glufosinate. This research demonstrates Enlist™ cotton has robust resistance to glufosinate at rates at least twice the typical use rate when applied once or twice at growth stages ranging from 2 to 12 leaves.
Keywords
- Type
- Note
- Information
- Copyright
- © Weed Science Society of America, 2017
Footnotes
Associate Editor for this paper: Daniel Stephenson, Louisana State University Agricultural Center.
References
Literature Cited
- 6
- Cited by