Methods for controlling weed growth and compositions comprising herbicidal compounds and thiocyanate compounds.

Abstract

This invention provides a method for controlling the growth of weed plants and a herbicide formulation. [Solution] The formulation comprises an effective amount of herbicidal active compound and thiocyanate, together with a herbicidally acceptable diluent, carrier, or excipient. The thiocyanate preparation may be provided in the form of a glucosinolate hydrolysate obtained from white mustard (Sinapis alba) plant material. Methods for preparing and using the formulation are also provided.

Claims

1. The co-application step involves co-applying an effective amount of herbicidal active compound and an effective amount of thiocyanate to weed plants to control their growth. Methods for controlling the growth of weed plants, including [specific examples of methods].

2. The method according to claim 1, wherein a first formulation containing the herbicidal active compound and a second formulation containing the thiocyanate are continuously applied to the weed plant.

3. The method according to claim 1, wherein a first formulation containing the herbicidal active compound and a second formulation containing the thiocyanate are simultaneously applied to the weed plant.

4. The method according to claim 1, wherein the herbicidal active compound and the thiocyanate are co-formulated to form a co-formulated herbicide, and the co-formulated herbicide is applied to the weed plant.

5. The method according to any one of claims 1 to 4, wherein the herbicidal active compound is an organocarboxyl compound.

6. The method according to claim 5, wherein the organocarboxyl compound is selected from the group consisting of 2,4-dichlorophenoxyacetic acid (2,4D), 3,6-dichloro-2-methoxybenzoic acid (dicamba), (R,S)-2-amino-4-(hydroxymethyl)phosphonoyl)butanoic acid (glufosinate; phosphinotricin), and N-(phosphomethyl)glycine (glyphosate), or herbicidally acceptable salts thereof.

7. The method according to claim 4, wherein the herbicidal active compound is met2-{[4-methoxy-6-methyl-1,3,5-triazine-2-yl)amino]-oxomethyl]sulfamoyl}methyl benzoate (methosulfuron-methyl) or a herbicidally acceptable salt thereof.

8. The method according to any one of claims 1 to 7, wherein the herbicidal active compound is applied in an amount at least about 33% (w / w) less than the amount applied when the herbicidal active compound is applied alone to control the weed plants.

9. The method according to any one of claims 1 to 7, wherein the herbicidal active compound is applied in an amount up to approximately 90% (w / w) less than the amount applied when the herbicidal active compound is applied alone to control the weed plants.

10. The method according to claim 6, wherein the herbicidal active compound is N-(phosphomethyl)glycine (glyphosate) applied in a proportion of about 5 grams to about 550 grams of the herbicidal active compound per acre.

11. The method according to claim 6, wherein the herbicidal active compound is 3,6-dichloro-2-methoxybenzoic acid (dicamba), applied in a proportion of about 500 grams to about 950 grams of the herbicidal active compound per acre.

12. The method according to claim 6, wherein the herbicidal active compound is 2,4-dichlorophenoxyacetic acid (2,4-D), applied in a proportion of about 100 grams to about 250 grams of the herbicidal active compound per acre.

13. The method according to claim 6, wherein the herbicidal active compound is (R,S)-2-amino-4-(hydroxymethyl)phosphonoyl)butanoic acid (glufosinate; phosphinotricin) applied in a proportion of about 450 grams to about 890 grams of the herbicidal active compound per hectare.

14. The method according to claim 7, wherein the herbicidal active compound is met2-{[4-methoxy-6-methyl-1,3,5-triazine-2-yl)amino]-oxomethyl]sulfamoyl}methyl benzoate (methosulfuronmethyl), applied in a proportion of about 9 grams to about 30 grams of the herbicidal active compound per acre.

15. The method according to any one of claims 1 to 14, wherein the thiocyanate is applied at a rate of about 25 grams to about 25 kilograms of thiocyanate per acre.

16. The method according to any one of claims 1 to 14, wherein the second formulation containing the thiocyanate is formulated to be applied at a rate of 25 grams to 25 kg of dry weight-active material per acre, and the first formulation for co-application containing the herbicidal active compound is formulated to be applied at a rate of 1:0.05 to 1:5,000 of dry weight-active material per acre.

17. The method according to any one of claims 1 to 14, wherein the second formulation containing the thiocyanate is formulated to be applied at a rate of 25 grams to 25 kg of dry weight-active material per acre, and the first formulation for co-application containing the herbicidal active compound is formulated to be applied at a rate of 1:0.5 to 1:5,000 of dry weight-active material per acre.

18. The method according to any one of claims 1 to 14, wherein the second formulation containing the thiocyanate is formulated to be applied at a rate of 25 grams to 25 kg of dry weight-active material per acre, and the first formulation for co-application containing the herbicidal active compound is formulated to be applied at a rate of 1:5 to 1:5,000 of dry weight-active material per acre.

19. The method according to any one of claims 1 to 18, wherein the thiocyanate is allylthiocyanate (ATC) or thiocyanate ion (SCN).

20. The method according to any one of claims 1 to 19, wherein the thiocyanate is contained in a hydrolyzed glucosinolate preparation.

21. The method according to claim 20, wherein the hydrolyzed glucosinolate preparation is a plant seed extract.

22. The method according to claim 20, wherein the hydrolyzed glucosinolate preparation is a plant seed meal extract.

23. The method according to any one of claims 1 to 22, wherein the herbicidal active compound and the thiocyanate are applied to the weed plant before the germination of the cultivated plant.

24. The method according to any one of claims 1 to 22, wherein the herbicidal active compound and the thiocyanate are applied to the weed plants after the germination of the cultivated plants.

25. The method according to any one of claims 1 to 24, wherein the compound and the thiocyanate are applied to the foliage of a weed plant.

26. The method according to any one of claims 1 to 25, wherein the cultivated plant is an agricultural plant or a horticultural plant.

27. The method according to claim 26, wherein the agricultural plants are wheat (Triticum aestivum), maize (Zea mays), rice (Oryza sativa), soybean (Glycine max), rapeseed (Brassica napus), sunflower (Helianthus annuus), cotton (Gossypium hirsutum), peanut (Arachis hypogaea), tomato (Solanum lycopersicum), and hemp (Cannabis sativa).

28. The method according to any one of claims 1 to 27, wherein the weed plant is a dicotyledonous weed plant or a monocotyledonous weed plant.

29. The method according to any one of claims 1 to 28, wherein the weed plant is a perennial weed plant.

30. The method according to any one of claims 1 to 29, wherein the first formulation containing the herbicidal active compound and / or the second formulation containing the thiocyanate and / or the co-formulated herbicidal formulation further comprises a herbicidally acceptable diluent, carrier, or excipient.

31. A herbicidal agent for carrying out the method described in claim 4, A herbicidal formulation comprising an effective amount of a herbicidal active compound and a thiocyanate, together with a herbicidally acceptable diluent, carrier, or excipient.

32. The herbicidal agent according to claim 31, wherein the herbicidal active compound is an organocarboxyl compound.

33. The herbicidal formulation according to claim 32, wherein the herbicidal active organocarboxyl compound is selected from the group consisting of 2,4-dichlorophenoxyacetic acid (2,4D), 3,6-dichloro-2-methoxybenzoic acid (dicamba), (R,S)-2-amino-4-(hydroxymethyl)phosphonoyl)butanoic acid (glufosinate; phosphinotricin), and N-(phosphomethyl)glycine (glyphosate), or herbicidally acceptable salts thereof.

34. The herbicidal formulation according to claim 32, wherein the herbicidal active compound is met2-{[4-methoxy-6-methyl-1,3,5-triazine-2-yl)amino]-oxomethyl]sulfamoyl}methyl benzoate (methosulfuron-methyl) or a herbicidally acceptable salt thereof.

35. The herbicide according to any one of claims 31 to 34, wherein the herbicidal active compound is contained in the herbicide in an amount at least about 33% (w / w) less than the amount contained in the herbicide when a chemical herbicide is included in the herbicide for sole application to control weed plants.

36. The herbicide according to any one of claims 31 to 34, wherein the herbicidal active compound is contained in the herbicide in an amount up to approximately 90% (w / w) less than the amount contained in the herbicide when a chemical herbicide is included in the herbicide for sole application to control weed plants.

37. The herbicide according to claim 33, wherein the herbicidal active compound is N-(phosphomethyl)glycine (glyphosate), and the herbicide is formulated so that the herbicide is applied at a rate of about 5 grams to about 550 grams of chemical herbicide per acre.

38. The herbicide according to claim 33, wherein the herbicidal active compound is 3,6-dichloro-2-methoxybenzoic acid (dicamba), and the herbicide is formulated so that the herbicide is applied at a rate of about 500 grams to about 950 grams of chemical herbicide per acre.

39. The herbicide formulation according to claim 33, wherein the herbicidal active compound is 2,4-dichlorophenoxyacetic acid (2,4-D), and the weed control composition is formulated so that the herbicide formulation is applied at a rate of about 100 grams to about 250 grams of chemical herbicide per acre.

40. The herbicide according to claim 33, wherein the herbicidal active compound is (R,S)-2-amino-4-(hydroxymethyl)phosphonoyl)butanoic acid (glufosinate; phosphinotricin), and the herbicide is formulated so that the herbicide is applied at a rate of about 450 grams to about 890 grams of chemical herbicide per hectare.

41. The herbicide according to claim 34, wherein the herbicidal active compound is met2-{[4-methoxy-6-methyl-1,3,5-triazine-2-yl)amino]-oxomethyl]sulfamoyl}methyl benzoate (methosulfuronmethyl), and the herbicide is formulated so that the herbicide is applied at a rate of about 9 grams to about 30 grams of chemical herbicide per acre.

42. The herbicide according to any one of claims 31 to 41, wherein the herbicidal active compound is formulated so that the herbicide is applied at a rate of approximately 25 grams to approximately 25 kilograms of thiocyanate per acre.

43. The herbicidal formulation according to any one of claims 31 to 41, formulated to be applied in a dry weight ratio of 25 grams to 25 kilograms of thiocyanate per acre and in a dry weight ratio of 1:0.05 to 1:5,000 of the herbicidal active compound per acre.

44. The herbicidal formulation according to any one of claims 31 to 41, formulated to be applied in a dry weight ratio of 250 grams to 25 kilograms of thiocyanate per acre and in a dry weight ratio of 1:0.5 to 1:5,000 of the herbicidal active compound per acre.

45. The herbicidal formulation according to any one of claims 31 to 41, formulated to be applied in a dry weight thiocyanate ratio of 2.5 kilograms to 25 kg per acre and in a dry weight ratio of 1:5 to 1:5,000 herbicidal active compounds per acre.

46. The herbicide according to any one of claims 31 to 45, wherein the thiocyanate is allylthiocyanate (ATC) or thiocyanate ion (SCN).

47. The herbicide formulation according to any one of claims 31 to 46, wherein the thiocyanate is contained in the formulation in the form of a hydrolyzed glucosinolate preparation.

48. The herbicide according to claim 47, wherein the hydrolyzed glucosinolate preparation is a plant seed extract.

49. The herbicide according to claim 47, wherein the hydrolyzed glucosinolate preparation is a plant seed meal extract.

50. A method for preparing the herbicide preparation according to claim 31, (a) A step of providing an effective amount of herbicidal active compound for herbicidal control, (b) the step of providing thiocyanate, (c) The step of mixing the herbicidal active compound and the thiocyanate with a herbicidally acceptable diluent, carrier, or excipient in order to form a herbicidal formulation. Methods that include...

51. The method according to claim 50, wherein the herbicidal active compound is an organocarboxyl compound.

52. The method according to claim 51, wherein the herbicidal active organocarboxy compound is selected from the group consisting of 2,4-dichlorophenoxyacetic acid (2,4D), 3,6-dichloro-2-methoxybenzoic acid (dicamba), (R,S)-2-amino-4-(hydroxymethyl)phosphonoyl)butanoic acid (glufosinate; phosphinotricin), and N-(phosphomethyl)glycine (glyphosate), or herbicidally acceptable salts thereof.

53. The method according to claim 51, wherein the herbicidal active compound is met2-{[4-methoxy-6-methyl-1,3,5-triazine-2-yl)amino]-oxomethyl]sulfamoyl}methyl benzoate (methosulfuronmethyl).

54. The method according to any one of claims 51 to 53, wherein the herbicidal active compound is contained in the herbicide in an amount at least about 33% (w / w) less than the amount contained in the herbicide when the herbicide is included in the herbicide for sole application to control weed plants.

55. The method according to any one of claims 51 to 53, wherein the herbicidal active compound is contained in the herbicide in an amount up to approximately 90% (w / w) less than the amount contained in the herbicide when the herbicide is included in the herbicide for sole application to control weed plants.

56. The method according to claim 52, wherein the herbicidal active compound is N-(phosphomethyl)glycine (glyphosate), and the herbicide is formulated so that the herbicide is applied at a rate of about 5 grams to about 550 grams of chemical herbicide per acre.

57. The method according to claim 52, wherein the herbicidal active compound is 3,6-dichloro-2-methoxybenzoic acid (dicamba), and the herbicide is formulated so that the herbicide is applied at a rate of about 500 grams to about 950 grams of chemical herbicide per acre.

58. The method according to claim 52, wherein the herbicidal active compound is 2,4-dichlorophenoxyacetic acid (2,4-D), and the weed control composition is formulated so that the herbicide is applied at a rate of about 100 grams to about 250 grams of chemical herbicide per acre.

59. The method according to claim 52, wherein the herbicidal active compound is (R,S)-2-amino-4-(hydroxymethyl)phosphonoyl)butanoic acid (glufosinate; phosphinotricin), and the herbicide is formulated so that the herbicide is applied at a rate of about 450 grams to about 882 grams of chemical herbicide per hectare.

60. The method according to claim 53, wherein the herbicidal active compound is met2-{[4-methoxy-6-methyl-1,3,5-triazine-2-yl)amino]-oxomethyl]sulfamoyl}methyl benzoate (methosulfuronmethyl), and the herbicide is formulated so that the herbicide is applied at a rate of about 9 grams to about 30 grams of chemical herbicide per acre.

61. The method according to any one of claims 50 to 60, wherein the thiocyanate is allylthiocyanate (ATC) or a thiocyanate ion.

62. The method according to any one of claims 50 to 60, wherein the thiocyanate or thiocyanate is included in the formulation in the form of a hydrolyzed glucosinolate preparation.

63. The method according to claim 62, wherein the hydrolyzed glucosinolate preparation is a plant seed extract.

64. The method according to claim 62, wherein the hydrolyzed glucosinolate preparation is a plant seed meal extract.

65. The use of a thiocyanate preparation for preparing the herbicide preparation according to claim 31 for controlling the growth of weed plants, The herbicidal formulation contains, together with herbicidally acceptable diluents, carriers, or excipients, an effective amount of herbicidal active compound and a thiocyanate compound. use.

66. Use of the herbicide formulation according to claim 31 for controlling the growth of weeds by applying the liquid formulation to weeds.

67. (a) A first formulation containing an effective amount of herbicidal active compound, (b) A second formulation comprising a thiocyanate, and (c) Instructions for use for the co-application of the first and second formulations to a weed plant according to the method of claim 2 or 3, thereby controlling the growth of the weed plant. A kit or commercial package for controlling the growth of weed plants, including [specific components / materials].

68. (a) Herbicides comprising an effective amount of herbicidal active compound and thiocyanate, and (b) Instructions for use for application to a weed plant, which is applied to the weed plant according to the method of claim 4, thereby controlling the growth of the weed plant. A kit or commercial package for controlling the growth of weed plants, including [specific components / materials].

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