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Synergistic herbicidal methods and compositions

Imported: 24 Feb '17 | Published: 17 Sep '02

Ronald Steven Pidskalny, Roy Allan Killins

USPTO - Utility Patents

Abstract

The present invention provides a method for the synergistic control of undesirable plants such as Polygonum, Kochia, Galeopsis, Galium, Stelaria, Sinapis, and Avena which comprises applying to the plants or their locus a synergistically effective amount of an aryloxypicolinamide herbicide in combination with one or two selected additional herbicidal compounds. Further provided are synergistic herbicidal compositions comprising an aryloxypicolinamide herbicide and one or two selected additional herbicidal compounds.

Claims

1. A method for the synergistic control of undesirable plants which comprises applying to the locus of said plants or to the foliage or stems of said plants a synergistically effective amount of a two-way combination of an aryloxypicolinamide of formula I

wherein

2. The method according to claim 1 having a aryloxypicolinamide of formula I wherein

3. The method according to claim 2 wherein the formula I aryloxypicolinamide is picolinofen.

4. A method for the synergistic control of undesirable plants which comprises applying to the locus of said plaints, or to the foliage or stems of said plants a synergistically effective amount of a two-way combination of picolinafen and a second herbicide of 2,4-D or an aryloxyphenoxypropionate herbicide selected from the group consisting of fluazifop-p-butyl, fenoxaprop-ethyl, fenoxaprop-p-ethyl, quizalofop-p-terfuryl, quizalofop-p, haloxyfop-methyl, clodinaflop-propargyl, isoxapurifop, cyhalofop butyl, fenthioprop and propaquizaflop.

5. A method for the synergistic control of undesirable plants which comprises applying to the locus of said plaints, or to the foliage or stems of said plants a synergistically effective amount of a two-way combination of picolinafen and a second herbicide selected from the group consisting of picloran and clopyralid.

6. A method for the synergistic control of undesirable plants which comprises applying to the locus of said plants, or to the foliage or stems of said plants a synergistically effective amount of a two-way combination of picolinafen and a second herbicide of 2,4-D.

7. A method for the synergistic control of undesirable plants which comprises applying to the locus of said plants, or to the foliage or stems of said plants a synergistically effective amount of a two-way combination of picolinafen and a second herbicide selected from the group consisting of imazamethabenx methyl, tralkoxydim, fenoxaprop-p-ethyl or clopyralid.

8. A method for the synergistic control of undesirable plants which comprises applying to the locus of said plants or to the foliage or stems of said plants a synergistically effective amount of a three-way combination of an aryloxypicolinamide of formula I

wherein

9. The method according to claim 8 having a formula I aryloxypicolinamide wherein

10. The method according to claim 9 wherein said formula I aryloxypicolinamide is picolinafen.

11. A method for the synergistic control of undesirableplants which comprises applying to the locus of said plants or to the foliage or stems of said plants a synergistically effective amount of a three-way combination of picolinafen and 2,4-D plus a third herbicide selected from the group consisting of imazamethabenz methyl, tralkoxydim or fenoxaprop-p-ethyl.

12. A synergistic herbicidal composition which comprises an agriculturally acceptable carrier and a synergistically effective amount of a two-way combination of an aryloxypicolinamide of formula I

wherein X, Y, Z, R

1, R

2, R

3, m, n and q are as defined in claim 1 and a second herbicide selected from the group consisting of an imidazolinone herbicide and a cyclohexanedione herbicide.

13. The composition according to claim 12 having a formula I aryloxypicolinamide wherein

14. The composition according to claim 13 wherein said formula I aryloxypicolinamide is picolinafen.

15. A synergistic herbicidal composition which comprises an agriculturally acceptable carrier and a synergistically effective amount of a two-way combination of picolinafen and a second herbicide of 2,4-D or an aryloxyphenoxypropionate herbicide selected from the group consisting of fluazifop-p-butyl, fenoxaprop-ethyl, fenoxaprop-p-ethyl, quizalofop-p-terfurly, quizalofop-p, haloxyfop-methyl, clodinaflop-propargyl, isoxapurifop, cyhalofop butyl, fenthioprop and propaquizaflop.

16. A synergistic herbicidal composition which comprises an agriculturally acceptable carrier and a synergistically effective amount of a two-way combination of picolinafen and a second herbicide selected from the group consisting of picloran and clopyralid.

17. A synergistic herbicidal composition which comprises an agriculturally acceptable carrier and a synergistically effective amount of a three-way combination consisting essentially of: an aryloxypicolinamide of formula I

wherein X, Y, Z, R

1, R

2, R

3, m, n and q are as defined in claims

8; 2,4-D; and a third herbicide selected from an imidazolinone herbicide and a cyclohexanedione herbicide.

18. The composition according to claim 17 having a formula I aryloxypicolinamide wherein

19. The composition according to claim 18 wherein said formula I aryloxypicolinamide is picolinafen.

20. A synergistically herbicidal composition which comprises an agriculturally acceptable carrier and a synergistically effective amount of a three-way combination consisting essentially of picolinafen; 2,4-D; and a third herbicide selected from imazamethabenz methyl, tralkoxydim or fenoxaprop-p-ethyl.