Fungicidal mixtures based on prothioconazole and a strobilurin derivative

Abstract

Disclosed is a fungicidal mixture containing (1) 2-[2-(1-chlorocyclo-propyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-2,4-dihydro-[1,2,4]-triazole-3-thion of formula (I) or the salts or adducts thereof, and at least one additional fungicidal compound or the salts or adducts thereof, selected among (2) trifloxystrobin of formula (11), (Prothioconazole) (3) picoxystrobin of formula (f), (4) pyraclostrobin of formula (IV), (5) dimoxystrobin of formula (V), and (6) a strobilurin derivative of formula (VI), in a synergistically active quantity.

1 . A fungicidal mixture, comprising ( 1 ) 2 -[ 2 -( 1 -chlorocyclopropyl)- 3 -( 2 -chlorophenyl)- 2 -hydroxypropyl]- 2 , 4 -dihydro-[ 1 , 2 , 4 ]-triazole- 3 -thione (prothioconazole) of the formula I or its salts or adducts  
       
         
           
           
               
               
           
         
       
       and  
       at least one further fungicidal compound or its salts or adducts, selected from the group consisting of 
 (2) trifloxystrobin of the formula II  
                     
 and  
 (3) picoxystrobin of the formula III  
                     
 and  
 (4) pyraclostrobin of the formula IV  
                     
 and  
 (5) dimoxystrobin of the formula V  
                     
 and  
 (6) a strobilurin derivative of the formula VI  
                     
 in a synergistically effective amount.  
 
     
     
         2 . A fungicidal mixture as claimed in  claim 1 , comprising prothioconazole of the formula I and trifloxystrobin of the formula II.  
     
     
         3 . A fungicidal mixture as claimed in  claim 1 , comprising prothioconazole of the formula I and picoxystrobin of the formula III.  
     
     
         4 . A fungicidal mixture as claimed in  claim 1 , comprising prothioconazole of the formula I and pyraclostrobin of the formula IV.  
     
     
         5 . A fungicidal mixture as claimed in  claim 1 , comprising prothioconazole of the formula I and dimoxystrobin of the formula V.  
     
     
         6 . A fungicidal mixture as claimed in  claim 1 , comprising prothioconazole of the formula I and the strobilurin derivative of the formula VI.  
     
     
         7 . A fungicidal mixture as claimed in  claim 1 , wherein the weight ratio of prothioconazole of the formula I to 
 trifloxystrobin of the formula II is from 20:1 to 1:20,    picoxystrobin of the formula III is from 20:1 to 1:20,    pyraclostrobin of the formula IV is from 20:1 to 1:20,    dimoxystrobin of the formula V is from 20:1 to 1:20 and    the strobilurin derivative of the formula VI is from 20:1 to 1:20.    
     
     
         8 . A method for controlling harmful fungi, which comprises treating the harmful fungi, their habitat or the plants, seeds, soils, areas, materials or spaces to be kept free from them with an anti-fungal effective amount of a compound of formula I  
       
         
           
           
               
               
           
         
       
       or a salt or adduct thereof and at least one compound of formulas II, III, IV or V  
       
         
           
           
               
               
           
         
         (3) picoxystrobin of the formula III  
         
           
             
             
                 
                 
             
           
         
         (4) pyraclostrobin of the formula IV  
         
           
             
             
                 
                 
             
           
         
         (5) dimoxystrobin of the formula V  
         
           
             
             
                 
                 
             
           
         
         or a salt or adduct thereof.  
       
     
     
         9 . A method as claimed in  claim 8 , wherein the compound of the formula I as set forth in  claim 1  and at least one compound of the formula II, III, IV, V or VI as set forth in  claim 1  are applied simultaneously, that is together or separately, or in succession.  
     
     
         10 . (canceled)  
     
     
         11 . A fungicidal composition, comprising the fungicidal mixture as claimed in  claim 1  and a solid or liquid carrier.  
     
     
         12 . A method as claimed in  claim 8 , wherein the compounds are applied to agricultural crop areas in a total amount of from 0.1 to 8 kg/ha.  
     
     
         13 . A fungicidal kit for controlling harmful fungi comprising, in separate containers, a compound of formula I  
       
         
           
           
               
               
           
         
       
       or a salt or adduct thereof, and at least one compound of formula II, IV, IV or V  
       
         
           
           
               
               
           
         
         (3) picoxystrobin of the formula III  
         
           
             
             
                 
                 
             
           
         
         (4) pyraclostrobin of the formula IV  
         
           
             
             
                 
                 
             
           
         
         (5) dimoxystrobin of the formula V  
         
           
             
             
                 
                 
             
           
         
         or a salt or adduct thereof.