The 'Group' letters/numbers that you see throughout this web site refer to the classification of herbicides by their site of action. To see a full list of herbicides and HRAC herbicide classifications click here.
QUIK STATS (last updated Jan 14, 2016 )
NOTES ABOUT THIS BIOTYPE
Patrick E. McCullough, Jialin Yu, J. Scott McElroy, S. Chen, H. Zhang, Timothy L. Grey, and Mark A. Czarnota (2016) ALS–Resistant Annual Sedge (Cyperus compressus) Confirmed in Turfgrass. Weed Science: January-March 2016, Vol. 64, No. 1, pp. 33-41.
CONTRIBUTING WEED SCIENTISTS