New ‘Focus on Cotton’ Webcast Identifies Key Practices and Programs for Managing Glyphosate-resistant Johnsongrass Glyphosate-resistant Johnsongrass can completely overtake a cotton field if managed improperly. It is one of the most tenacious weeds because of its ability to reproduce and spread through rhizomes. The Focus on Cotton webcast titled “Glyphosate-Resistant Johnsongrass Management” helps cotton growers, consultants, and other industry experts …