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 Mar 25, 2015 )
NOTES ABOUT THIS BIOTYPE
A fact sheet documenting the ALS inhibitor resistant common ragweed from Wisconsin is available.
Click Here for Fact Sheet
CONTRIBUTING WEED SCIENTISTS