You are here

Group A herbicide in-crop options for glyphosate-resistant grass

Plain text source: 
The recent development of Group A and M multiple-resistant annual ryegrass serves as a stark reminder that persistent use of any herbicide mode of action group can cause resistance... The purpose of the experiment was to determine the best Group A treatments for the control of glyphosate-resistant barnyard grass, when treated at the mid to late tillering growth stage... The purpose of the experiment was to confirm which Group A herbicides provide satisfactory control of glyphosate-resistant barnyard grass under field conditions, and to compare results with those obtained from the glasshouse experiment...