Patent EA-000947-B1 (EA)
Title: Synergistic herbicidal compositions of metolachlor
Inventor: HUDETZ MANFRED
IPC: A01N37/24
Filed: 1996-04-01
Abstract: 1. A herbicidal composition which comprises a compound of the formula A   and at least one active ingredient selected from the substance classes as defined by formula (I) A-SO2-NH-E                                 (I) in which A is a radical of the formula,     and E is a radical of the formula   of the formula II   in which U-V is a radical of the formula CR1=N, N=CR1 or NR1CO, in which  R1 is -NHC3H7-i, -NHC(CH3)2CN, -NHC4H9-t, -NHC2H5, -SCH3, -Cl,   W-Y is a radical of the formula CR2=N, N=CR2, NR2CO or CR2=CR3, in which R2 is hydrogen, -Cl, -NH2, -NHC3H7-i or-NHC2H5 and R3 is -NH2, or -O-CO-SC8H17 and R is -Cl,-SCH3, -C4H9-t,   of the formula III   in which n is 0 or 1, R4 is hydrogen, R5 is hydrogen, or-NH2, R6 is hydroxyl, and Q is a radical of the formula -CH2CH2-P(O)(OM)CH3  (Q1) -NHCH2-P(O)(OM)2 (Q2) in which M is an alkali metal, ammonium, alkylammonium, sulfonium or alkylsulfonium,   of the formula IV   in which R7 is 2-NO2, R8 is 6-NO2, R9 is 3-CH3, R10 is 4-CH3, X is -NH-, and R11 is -CH(C2H5)2, of the formula V     in which Z is a radical of the formula   R12 is -C3H7-, R13 is   or of the formula VI   in which R14 is hydrogen, R15 is    and X1 is =O. 2. A composition according to claim 1, which comprises, as combination of active ingredients, compound of the formula A + atrazine, compound of the formula A + cyanazine, compound of the formula A + flumetsulam, compound of the formula A + gluphosinate, compound of the formula A + glyphosate, compound of the formula A + metosulam, compound of the formula A +pendimethalin, compound of the formula A + rimsulfuron, compound of the formula A + terbuthylazine or compound of the formula A + dicamba, compound of the formula A + halosulfuron, compound of the formula A+ metribuzine, compound of the formula A+ primisulfurone,compound of the formula A + prosulfurone, compound of the formula A+ pyridate, compound of the formula A+ sulcotrione or compound of the formula A + BAY FOE 5043, compound of the formula A+ imazethapyr. 3. A composition according to claim 1, which comprises, as combination of activeingredients, compound of the formula A + atrazine, compound of the formula A + terbuthylazine, compound of the formula A + flumetsulam, compound of the formula A +pendimethalin, compound of the formula A + metosulam, compound of the formula A+ pyridate, compound of the formula A+ pyridate + terbuthylazine, compound of the formula A + gluphosinate, compound of the formula A + glyphosate, compound of the formula A + oxosulfuron or compound of the formula A + imazethapyr. 4. A composition according to claim 2, which comprises, as combination of active ingredients, compound of the formula A + cyanazine, compound of the formula A + rimsulfuron, compound of the formula A + dicamba, compound of the formula A + halosulfuron, compound of the formula A + primisulfuron, compound of the formula A + prosulfuron. 5. A composition according to claim 2, which comprises, as combination of activein gredients, compound of the formula A + primisulfuron + dicamba, compound of the formula A + prosulfuron + dicamba, compound of the formula A + prosulfuron + primisulfuron or compound of the formula A + prosulfuron + primisulfuron + dicamba. 6. A composition according to claim 1, which comprises, as combination of active ingredients, compound of the formula A + gluphosinate, compound of the formula A + glyphosate, compound of the formula A + imazethapyr. compound of the formula A + metribuzin, compound of the formula A + pendimethalin, compound of the formula A + halosulfuron, compound of the formula A+ primisulfurone, compound of the formula A + prosulfurone, compound of the formula A + rimsulfurone, compound of the formula A + BAY FOE 5043, compound of the formula A + oxosulfuron. 7. A composition according to claim 2, which comprises, as combination of active ingredients, compound of the formula A + gluphosinate, compound of the formula A + glyphosate, compound of the formula A + imazethapyr, compound of the formula A + pendimethalin, compound of the formula A + oxosulfuron or compound of the formula A+ flumetsulam. 8. A composition according to claim 1, which comprises the compound of the formula A to at least one of the compounds from the substance class of the formulae I to VII in a weight ratio of 1:10 to 1:0.001. 9. A method of controlling undesirable plant growth in crops of useful plants, which comprises exposing the crop plant or its environment to a herbicidally active amount of a composition according to claim 1. 10. A method according to claim 9, wherein the exposure of the crop plant or its environment to the compound of the formula I is separated in time from exposure to a compound of the formulae I to VII. 11. A method according to claim 9, wherein exposure of the crop plant or its environment to the compound of the formula I is separated in time from exposure to at least one compound of the formulae I to VII. 12. A method according to claim 9, wherein the crop plants are cereals, rice, oilseed rape, sugar beet, sugar cane, plantation crops, cotton and, in particular, maize and soybeans. 13. A method according to claim 9, wherein the crops of useful plants are treated with the above mentioned composition at rates of application which correspond to 0.3 to 4.0 kg of the total amount of active ingredient per hectare.