Herbicidal compositions

Abstract

Herbicide combinations comprising an effective amount of components (A) and (B), where component (A) is/are one or more herbicides of the formula (I) or salts thereof, in which R 1 is H or a group of the formula CZ 1 Z 2 Z 3 , where Z 1 , Z 2 and Z 3 are as defined in claim 1, R 2 and R 3 are each H, alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl having in each case up to 4 carbon atoms or acyl, R 4 is H, (C 1 -C 6 )-alkyl or (C 1 -C 6 )-alkoxy; R 5 , R 6 , R 7 and R 8 are each H, (C 1 -C 4 )-alkyl, (C 1 -C 3 )-haloalkyl, halogen, (C 1 -C 3 )-alkoxy, (C 1 -C 3 )-haloalkoxy or cyano; A is CH 2 or O or a direct bond, and the component (B) is one or more herbicides from the group of compounds consisting of (B1) thiencarbazone, tembotrione, SYN-523, pyroxsulam, penoxsulam, SYN-449, (B2) pyrasulfotole, trifloxysulfuron, saflufenacil, aminopyralid, ethofumesate, aminocyclopyrachlor and (B3) pyroxasulfone (KIH-485) are suitable for controlling harmful plants or for regulating the growth of plants.

The invention claimed is: 
     
       1. A herbicide combination comprising:
 an effective amount of components (A) and (B);   wherein component A includes one or more herbicidally active compounds (A) selected from the group consisting of:   
       
         
           
           
               
               
           
         
         wherein component (B) is one or more herbicidally active compounds (B) selected from the group consisting of: 
         (B1.2.1) tembotrione; 
         (B1.3) ethyl [[3-[2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1(2H)-pyrimidinyl]-4-fluorophenoxyl-2-pyridinyl]oxy]acetate (SYN-523); 
         (B1.4.1) pyroxsulam; 
         (B1.6.1) 4-hydroxy-3-[[2-[(2-methoxyethoxy)methyl]-6-trifluoromethyl-3-pyridinyl]carbonyl]bicyclo[3.2.1]oct-3-en-2-one (SYN-449); 
         (B2.2.2) trifloxysulfuron sodium salt; 
         (B2.3.1) saflufenacil; 
         (B2.4.1) aminopyralid; 
         (B2.5) ethofumesate; and 
         (B3.1) pyroxasulfone (KIH-485). 
       
     
     
       2. The herbicide combination as claimed in  claim 1 ;
 wherein active compound components (A) and (B) are present in a weight ratio of from 1:100000 to 2000:1.   
     
     
       3. The herbicide combination as claimed in  claim 1 ;
 wherein active compound components (A) and (B) are present in a weight ratio of from 1:40000 to 750:1.   
     
     
       4. The herbicide combination as claimed in  claim 1 ;
 which comprises one or more further components from the group comprising crop protection agents.   
     
     
       5. A herbicidal composition which comprises:
 the herbicide combination as claimed in  claim 1 ; and   one or more additives customary in crop protection.   
     
     
       6. A method for controlling harmful plants which comprises:
 applying a synergistically effective amount of the active compound components of the herbicide combination as defined in  claim 1  together or separately, by the pre-emergence method, by the post-emergence method, or by the pre-emergence and the post-emergence method, onto the plants, parts of plants, plant seeds, or the area where the plants grow.   
     
     
       7. The method as claimed in  claim 6 ;
 wherein the herbicide component (A) is applied in an application amount of from 0.01 to 2000 g of active substance per hectare and the herbicide component (B) is applied in an application amount of from 0.01 to 1000 g of active substance per hectare.   
     
     
       8. The method as claimed in  claim 6  for the control of harmful plants on non-crop land or in plantation crops. 
     
     
       9. The method as claimed in  claim 6 ;
 wherein the active compounds of the herbicide combination are applied in the form of a herbicidal composition which comprises one or more additives customary in crop protection, if appropriate after dilution with water.   
     
     
       10. A herbicide combination comprising:
 a synergistically effective amount of components (A) and (B);   wherein component A comprises:   
       
         
           
           
               
               
           
         
         wherein component (B) comprises one or more compounds (B) selected from the group consisting of:
 (B2.6) aminocyclopyrachlor and its salts and esters. 
 
       
     
     
       11. The herbicide combination as claimed in claim 10;
 wherein components (A) and (B) are present in a weight ratio of from 1:100000 to 2000:1.   
     
     
       12. The herbicide combination as claimed in claim 10;
 wherein components (A) and (B) are present in a weight ratio of from 1:40000 to 750:1.   
     
     
       13. The herbicide combination as claimed in claim 10;
 wherein components (A) and (B) are present in a weight ratio of from 1:75000 to 200:1.   
     
     
       14. The herbicide combination as claimed in claim 10;
 components (A) and (B) are present in a weight ratio of from 1:25000 to 75:1.   
     
     
       15. The herbicide combination as claimed in claim 10;
 which comprises one or more crop protection agents.   
     
     
       16. A herbicidal composition which comprises:
 the herbicide combination as claimed in claim 10; and   one or more additives customary in crop protection.   
     
     
       17. A method of controlling harmful plants, said method comprising applying an herbicide combination according to claim 10 together or separately, by the pre-emergence method, by the post-emergence method, or by the pre-emergence and the post-emergence method, onto the plants, parts of plants, plant seeds, or the area where the plants grow on a path, rail track, or industrial terrain. 
     
     
       18. The method as claimed in claim 17;
 wherein the herbicide component (A) is applied in an application amount of from 0.01 to 2000 g of active substance per hectare and the herbicide component (B) is applied in an application amount of from 0.01 to 1000 g of active substance per hectare.   
     
     
       19. The method as claimed in claim 17;
 wherein component (B) is applied in an application amount of from 2 to 350 g of active substance per hectare.   
     
     
       20. The method as claimed in claim 17;
 wherein the active compounds of the herbicide combination are applied in the form of a herbicidal composition which comprises one or more additives customary in crop protection, if appropriate after dilution with water.   
     
     
       21. A method of reducing plant damage, said method comprising applying an herbicide combination according to claim 10 to a plant, part of a plant, plant seed, and/or the area where the plant grows. 
     
     
       22. The herbicide combination as claimed in claim 10;
 wherein component (B) comprises one or more herbicidally active compounds (B) selected from the group consisting of (B2.6) aminocyclopyrachlor and its salts.   
     
     
       23. The herbicide combination as claimed in claim 10;
 wherein component (B) comprises one or more herbicidally active compounds (B) selected from the group consisting of (B2.6) aminocyclopyrachlor and its esters.   
     
     
       24. The herbicide combination as claimed in claim 10;
 wherein component (B) comprises (B2.6.1) aminocyclopyrachlor.   
     
     
       25. The herbicide combination as claimed in claim 10, further comprising imazapyr.