Herbicidal compositions for tolerant or resistant rice crops

Abstract

Herbicide combinations (A)+(B), if appropriate in the presence of safeners, with an effective content of (A) broad-spectrum herbicides from the group (A1) glufosinate (salts) and related compounds (A2) glyphosate (salts) and related compounds such as sulfosate, (A3) imidazolinones such as imazethapyr, imazapyr, imazaquin, imazamox or their salts and (A4) herbicidal azoles from the group of the protoporphyrinogen oxidase inhibitors (PPO inhibitors) and (B) one or more herbicides from the group consisting of (B0) one or more structurally different herbicides from the abovementioned group (A) or (B1) foliar- and soil-acting herbicides effective against selectively in rice monocotyledonous and dicotyledonous harmful plants (residual action) or (B2) herbicides which are effective selectively in rice against dicotyledonous harmful plants and/or sedges, and/or (B3) foliar-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants, and/or (B4) foliar- and soil-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants, herbicides from several of groups (B0) to (B4) are suitable for controlling harmful plants in rice which consists of tolerant or resistant mutants or transgenic rice plants and the rice crops are tolerant to the herbicides (A) and (B), if appropriate in the presence of safeners, which are contained in the combination.

1 . The use of herbicide combinations for controlling harmful plants in rice crops, wherein the herbicide combination in question has a synergistically active content of 
 (A) a broad-spectrum herbicide from the group of the compounds consisting of    (A1) compounds of the formula (A1),                           in which Z is a radical of the formula —OH or a peptide radical of the formula —NHCH(CH 3 )CONHCH(CH 3 )COOH or 
 —NHCH(CH 3 )CONHCH[CH 2 CH(CH 3 ) 2 ]COOH, and their esters and salts and other phosphinothricin derivatives,  
   (A2) compounds of the formula (A2) and their esters and salts,                          (A3) imidazolinones and their salts and    (A4) herbicidal azoles from the protoporphyrinogen-oxidase inhibitors (PPO inhibitors),    and    (B) one or more herbicides from the group of the compounds which consists of    (B0) one or more structurally different herbicides from the abovementioned group (A),    (B1) foliar- and soil-acting herbicides which are effective selectively in rice against monocotyledonous and dicotyledonous harmful plants (residual action),    (B2) herbicides which are effective selectively in rice against dicotyledonous harmful plants and/or sedges, and/or    (B3) foliar-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants, and/or    (B4) foliar- and soil-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants,    and the rice crops are tolerant to the herbicides (A) and (B) which form a constituent of the combination, if appropriate in the presence of safeners.    
     
     
         2 . The use as claimed in    claim 1   , wherein glufosinate-ammonium is employed as active substance (A).  
     
     
         3 . The use as claimed in    claim 1   , wherein glyphosate-isopropylammonium is employed as active substance (A).  
     
     
         4 . The use as claimed in    claim 1   , wherein one or more herbicides from the group consisting of 
 (B0) one or more structurally different herbicides from the group (A) mentioned,    (B1) foliar-acting and soil-acting herbicides which are effective selectively in rice against monocotyledonous and dicotyledonous harmful plants (residual action) from the group consisting of molinate, thiobencarb, quinclorac, propanil, pendimethalin, bispyribac-Na, LGC 40863, butachlor, pretilachlor, metolachlor, acetochlor, clomazone, oxadiargyl, sulfentrazone, MY 100, anilofos, cafenstrole (CH 900), mefenacet, fentrazamid, thiazopyr, oxadiazon, esprocarb, pyributicarb, azimsulfuron, azoles of the type of 1-(3-chloro-4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)-5-methylpropargylamino)-4-pyrazolylcarbonitrile, thenylchlor, pyriminobac-methyl (KIH 6127), fluthiamide, mesotrione and nicosulfuron and    (B2) herbicides which are effective selectively in rice against dicotyledonous harmful plants and/or sedges from the group consisting of 2,4-D, MCPA, bensulfuron-methyl, ethoxysulfuron, metsulfuron, acifluorfen, cinosulfuron, pyrazosulfuron, imazosulfuron, cyclosulfamuron, chlorsulfuron, bromobutide, carfentrazone, bentazone, benfuresate, chlorimuron, dithiopyr, triclopyr and tritosulfuron and    (B3) foliar-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants, from the group consisting of quizalofop-P, quizalofop, fenoxaprop-P, fenoxaprop, fluazifop-P, fluazifop, haloxyfop, haloxyfop-P, propaquizafop, clodinafop and cyhalofop or    (B4) foliar- and soil-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants from the group consisting of sethoxydim, cycloxydim, clethodim and clefoxidim    of herbicides of several of groups (B0) to (B4) are present as component (B).    
     
     
         5 . The use as claimed in    claim 1   , wherein 
 the herbicide combination comprises other crop protection active ingredients.    
     
     
         6 . The use as claimed in    claim 1   , wherein 
 the herbicide combination comprises adjuvants and formulation auxiliaries conventionally used in crop protection.    
     
     
         7 . A method of controlling harmful plants in tolerant rice crops, which comprises applying the herbicides of the herbicide combination, as defined in one or more of    claims 1    to    5   , jointly or separately, pre-emergence, post-emergence or pre- and post-emergence to the plants, parts of the plants, seeds of the plants or the area under cultivation.  
     
     
         8 . A herbicidal composition which comprises a combination of one or more herbicides (A) as defined in    claim 1    and one or more herbicides from the group 
 (B0′) one or more structurally different herbicides from the abovementioned group (A) and/or  
 (B1′) foliar-acting and soil-acting herbicides which are effective selectively in rice against monocotyledonous and dicotyledonous harmful plants (residual action) such as molinate, thiobencarb, quinclorac, propanil, pendimethalin, bispyribac-Na, LGC 40863, butachlor, pretilachlor, acetochlor, clomazone, oxadiargyl, sulfentrazone, MY 100, anilofos, cafenstrole (CH 900), mefenacet, fentrazamid, thiazopyr, oxadiazon and/or pyriminobac-methyl (KIH 6127) and/or optionally fluthiamide and/or mesotrione and/or  
 (B2′) herbicides which are effective selectively in rice against dicotyledonous harmful plants and/or sedges, for example bensulfuron-methyl, ethoxysulfuron, acifluorfen, pyrazosulfuron, imazosulfuron, cyclosulfamuron, chlorsulfuron, bromobutide, carfentrazone, bentazone, benfuresate and/or chlorimuron and/or, if appropriate, trisulfuron and/or  
 (B3′) foliar-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants, for example quizalofop-P, fenoxaprop-P, fluazifop-P, haloxyfop and/or haloxyfop-P and/or optionally clodinafop and/or cyhalofop and/or  
 (B4′) foliar- and soil-acting herbicides which are effective selectively in rice against monocotyledonous harmful plants, such as sethoxydim, cycloxydim and/or clethodim and/or, if appropriate, clefoxidim or herbicides of several of groups (B0′) to (B4′) and, if appropriate, adjuvants or formulation auxiliaries conventionally used in crop protection.  
 
     
     
         9 . The use of the composition defined in    claim 8    for regulating the growth of rice plants.  
     
     
         10 . The use of the composition defined in    claim 8    for influencing the yield or the constituents of rice plants.