METHOD FOR WEED CONTROL IN LAWN
First Claim
1. A method for selectively controlling weeds on lawn or turf, characterized by applying (A) one or more herbicides (A) [type (A) herbicides], optionally together, before or after the application of one or more other active ingredients selected from the group consisting of (B) other herbicides [type (B) herbicides] useful in the treatment of lawn or turf, and optionally (C) other active ingredients [type (C) active ingredients] useful in the treatment of lawn or turf,to the weeds, parts of the weed plants, seeds of the weed plants or the area under cultivation where the plants of lawn or turf are growing, sown or to be sown, wherein herbicides (A) are one or more compounds of the formula (I) or salts thereof, whereR1 is H or a group of the formula CZ1Z2Z3, whereZ1 is H, halogen, (C1-C6)alkyl, (C1-C6)haloalkyl, [(C1-C4)alkoxy]-(C1-C6)alkyl, (C3-C6)cycloalkyl which is unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, (C1-C4)alkyl and (C1-C4)haloalkyl, or is(C2-C6)alkenyl, (C2-C6)alkinyl, (C2-C6)haloalkenyl, (C4-C6)cycloalkenyl, (C4-C6)halocycloalkenyl, (C1-C6)alkoxy or (C1-C6)haloalkoxy,Z2 is H, halogen, (C1-C6)alkyl or (C1-C4)alkoxy, orZ1 and Z2 together with the carbon atom of the group CZ1Z2Z3 represent (C3-C6)cycloalkyl or (C4-C6)cycloalkenyl, where each of the two last-mentioned radicals is unsubstituted or substituted by one or more radicals selected from the group consisting of (C1-C4)alkyl, andZ3 is H, (C1-C6)alkyl, (C1-C4)alkoxy or halogen,R2 and R3 independently of one another are H, (C1-C4)alkyl, (C1-C4)haloalkyl, (C3-C4)alkenyl, (C3-C4)haloalkenyl, (C3-C4)alkinyl, (C3-C4)haloalkinyl or an acyl group,R4 is H, (C1-C6)alkyl or (C1-C6)alkoxy,R5, R6, R7 and R8 independently of one another are H, (C1-C4)alkyl, (C1-C3)haloalkyl, halogen, (C1-C3)alkoxy, (C1-C3)haloalkoxy or cyano, andA is a divalent group of the formula CH2 or O or is a direct bond,
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Abstract
The invention relates to the use of one or more compounds of the formula (I) or salts thereof,
wherein
- the groups R1 to R8 are defined as set forth herein, optionally in the presence of additional agrochemical active ingredients, for selective weed control on turf or lawn.
30 Citations
15 Claims
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1. A method for selectively controlling weeds on lawn or turf, characterized by applying (A) one or more herbicides (A) [type (A) herbicides], optionally together, before or after the application of one or more other active ingredients selected from the group consisting of (B) other herbicides [type (B) herbicides] useful in the treatment of lawn or turf, and optionally (C) other active ingredients [type (C) active ingredients] useful in the treatment of lawn or turf,
to the weeds, parts of the weed plants, seeds of the weed plants or the area under cultivation where the plants of lawn or turf are growing, sown or to be sown, wherein herbicides (A) are one or more compounds of the formula (I) or salts thereof, where R1 is H or a group of the formula CZ1Z2Z3, where Z1 is H, halogen, (C1-C6)alkyl, (C1-C6)haloalkyl, [(C1-C4)alkoxy]-(C1-C6)alkyl, (C3-C6)cycloalkyl which is unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, (C1-C4)alkyl and (C1-C4)haloalkyl, or is (C2-C6)alkenyl, (C2-C6)alkinyl, (C2-C6)haloalkenyl, (C4-C6)cycloalkenyl, (C4-C6)halocycloalkenyl, (C1-C6)alkoxy or (C1-C6)haloalkoxy, Z2 is H, halogen, (C1-C6)alkyl or (C1-C4)alkoxy, or Z1 and Z2 together with the carbon atom of the group CZ1Z2Z3 represent (C3-C6)cycloalkyl or (C4-C6)cycloalkenyl, where each of the two last-mentioned radicals is unsubstituted or substituted by one or more radicals selected from the group consisting of (C1-C4)alkyl, and Z3 is H, (C1-C6)alkyl, (C1-C4)alkoxy or halogen, R2 and R3 independently of one another are H, (C1-C4)alkyl, (C1-C4)haloalkyl, (C3-C4)alkenyl, (C3-C4)haloalkenyl, (C3-C4)alkinyl, (C3-C4)haloalkinyl or an acyl group, R4 is H, (C1-C6)alkyl or (C1-C6)alkoxy, R5, R6, R7 and R8 independently of one another are H, (C1-C4)alkyl, (C1-C3)haloalkyl, halogen, (C1-C3)alkoxy, (C1-C3)haloalkoxy or cyano, and A is a divalent group of the formula CH2 or O or is a direct bond,
Specification
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- Resources
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Current AssigneeDiscovery Purchaser Corp. (Discovery Guarantor 2 Ltd.)
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Original AssigneeBayer Cropscience AG (Bayer AG)
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InventorsDietrich, Hansjoerg, Minn, Klemens, Myers, Donald, Hacker, Erwin, Kilian, Michael, Rose, Eckhard
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current504/101
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CPC Class CodesA01N 43/68 with two or three nitrogen ...
