INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
             
      
                    
           
                
      
            
                
    
    
    
    
    
    
    
	
		
			
				 | 
			
		
			
				
					
						
							 | 
						 
					
						
							| Drag a column header and drop it here to group by that column | 
						 
					
				  | 
			
		
	
 
			
		
		
		
		
		
		
		
		
		
		
		
		
		
	
		
			
		
	
	
		| 
                        1
                     | Canada (Alberta)  | Canada | Alberta | 2021 | 
                        Canola
                     | 
                        glyphosate
                     | 7 | 
                        Inhibition of Enolpyruvyl Shikimate Phosphate Synthase
HRAC Group 9 (Legacy G) 
                     | 40 | Bromus tectorum | Downy Brome (Cheatgrass) | 21234 | 
	
		| 
                        2
                     | France | France |   | 1981 | 
                        Corn (maize)
                     | 
                        atrazine
                     | 17 | 
                        PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2) 
                     | 40 | Bromus tectorum | Downy Brome (Cheatgrass) | 457 | 
	
		| 
                        3
                     | Spain | Spain |   | 1990 | 
                        Wheat
                     | 
                        chlorotoluron
                     | 38 | 
                        PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2) 
                     | 40 | Bromus tectorum | Downy Brome (Cheatgrass) | 190 | 
	
		| 
                        4
                     | Spain | Spain |   | 1990 | 
                        Orchards
                     | 
                        simazine
                     | 38 | 
                        PSII inhibitors - Serine 264 Binders
HRAC Group 5 (Legacy C1 C2) 
                     | 40 | Bromus tectorum | Downy Brome (Cheatgrass) | 191 | 
	
		| 
                        5
                     | United States (Oregon)  | United States | Oregon | 1997 | 
                        Kentucky bluegrass
                     | 
                        imazamox, primisulfuron-methyl, and sulfosulfuron
                     | 45 | 
                        Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) 
                     | 40 | Bromus tectorum | Downy Brome (Cheatgrass) | 1112 | 
	
		| 
                        6
                     | United States (Oregon)  | United States | Oregon | 2005 | 
                        Grass seed
                     | 
                        clethodim, fluazifop-butyl, quizalofop-ethyl, and sethoxydim
                     | 45 | 
                        Inhibition of Acetyl CoA Carboxylase
HRAC Group 1 (Legacy A) 
                     | 40 | Bromus tectorum | Downy Brome (Cheatgrass) | 5375 | 
	
		| 
                        7
                     | United States (Montana)  | United States | Montana | 2016 | 
                        Wheat
                     | 
                        imazamox, procarbazone-Na, and pyroxsulam
                     | 45 | 
                        Inhibition of Acetolactate Synthase
HRAC Group 2 (Legacy B) 
                     | 40 | Bromus tectorum | Downy Brome (Cheatgrass) | 15071 | 
	
	
	 
             
            
    
   
            
    
    
        
            
                  | 
            
              PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site. Citation: 
                Heap, I.  The International Herbicide-Resistant Weed Database.  Online. 
                                
                    .  Available 
                                www.weedscience.org 
                Copyright © 1993-
                        
            WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.
     | 
         |