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 Apr 27, 2017 )
NOTES ABOUT THIS BIOTYPE
The first large crabgrass population with resistance to ACCase herbicides was found in 2011 in Onions, however a population found in carrots was found in 2015 and information about resistance can be found in this poster.
Laforest, M.* , Soufiane, B.*, Page, E.R.§, Simard, M.-J.*, Obeid, K. ¤ & Nurse, R.E.§
Acetyl-CoA carboxylase overexpression in herbicide resistant crabgrass (Digitaria sanguinalis)
Agriculture and Agri-Food Canada: *430 Gouin blvd, St-Jean-sur-Richelieu, QC, Ca; §2585 County Road 20, Harrow, ON, Ca; ¤OMAFRA, Harrow, ON, Ca
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