Crop-selective herbicide

• US 6,200,929 B1
• Filed: 04/22/1999
• Issued: 03/13/2001
• Est. Priority Date: 11/07/1996
• Status: Expired due to Fees

• Current Assignee: Sankyo Company Limited (Daiichi Sankyo Company Limited)
• Original Assignee: Sankyo Company Limited (Daiichi Sankyo Company Limited)
• Inventors: Sato, Kazuo, Tsukiyama, Takahiro, Horibe, Yoshimichi, Amagasa, Tadashi
• Primary Examiner(s): CLARDY, S
• Application Number:
  US09/296,825
• Time in Patent Office: 691 Days
• Field of Search: 504/206, 504/127, 504/128
• US Class Current: 504/127
• CPC Class Codes: A01N 2300/00 Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
• CPC Class Codes: A01N 57/20 containing acyclic or cycloaliphatic radicals

Abstract

An agricultural chemical composition which comprises a first component having herbicidal activity selected from the group consisting of glyphosate and the like and a second component selected from the group consisting of phosphorus acid derivatives and the like and may further comprise a third component selected from maleic hydrazide and the like; and use of it as a plant growth retardant and crop selective herbicide.

Claims

1. An agricultural chemical composition which comprises one or more of a first component (a) having herbicidal activity and one or more of a second component (b) and optionally one or more of a third component (c);

1 part by weight of said component (a) selected from the group consisting of

N-(phosphonomethyl)glycine or a salt thereof,

N,N-bis(phosphonomethyl)glycine or a salt thereof,

4-(hydroxy(methyl)phosphinoyl)-L-homoalanyl-L-alanyl-L-alanine or a salt thereof, and

4-(hydroxy(methyl)phosphinoyl)-DL-homoalanine or a salt thereof;

said component (b) selected from the group consisting of

(i) 0.001 to 100 parts by weight of a phosphorus acid compound represented by the following formula (I);

 

wherein R¹ represents an unsubstituted C_1-8 alkyl group, a C_1-8 alkyl group substituted with 1 to 3 halogen atoms or 1 to 3 C_1-3 alkoxy groups, a phenyl group or a benzyl group;

M represents a hydrogen atom, an unsubstituted ammonium group, an ammonium group substituted with 1 to 4 C_1-3 alkyl groups, a sodium atom, a potassium atom, a lithium atom, a magnesium atom, a calcium atom, a barium atom, a zinc atom, a manganese atom, a copper atom, an iron atom, a nickel atom or an aluminum atom; and

m stands for an integer equivalent to the positive valency of M;

(ii) 0.01 to 300 parts by weight of a chitosan compound represented by the following formula (II);

 

wherein n stands for an integer of 1 or greater and R² represents a hydrogen atom, a C_1-6 alkyl group or a C_1-11 acyl group;

(iii) 0.001 to 100 parts by weight of an isopropyl phosphate salt selected from the group consisting of a magnesium salt, barium salt, aluminum salt, calcium salt and iron salt of isopropyl phosphate;

(iv) 0.001 to 100 parts by weight of an organic acid metal salt selected from the group consisting of magnesium salts, barium salts, aluminum salts and calcium salts of an organic acid selected from the group consisting of lactic acid, propionic acid, formic acid, acetic acid, levulinic acid, benzoic acid, citric acid, alginic acid, L-(+)-ascorbic acid and salicylic acid, with the proviso that magnesium acetate and calcium acetate are excluded when the component (a) contains N-(phosphonomethyl)glycine or a salt thereof, magnesium ethoxide or aluminum acetyl acetate; and

(v) 0.001 to 100 parts by weight of an inorganic metal salt selected from the group consisting of aluminum nitrate, calcium phosphinate, ammonium aluminum sulfate and potassium aluminum sulfate; and

0.1 to 500 parts by weight of said component (c) selected from the group consisting of

a plant growth regulator, a fungicide which is an inhibitor of ergosterol biosynthesis, mefluidide, atrazine, pyridate and clopyralid.

2. The agricultural chemical composition according to claim 1, wherein the component (a) is one or more compound selected from the group consisting of N-(phosphonomethyl)glycine or a salt thereof and 4-(hydroxy(methyl)phosphinoyl)-DL-homoalanine or a salt thereof, and the composition is a plant growth retardant composition.

3. The agricultural chemical composition according to claim 1, wherein the component (a) is N-(phosphonomethyl)glycine or a salt thereof.

4. The agricultural chemical composition according to any one of claims 1 to 3, wherein the component (b) is one or more than one compound selected from the group consisting of:

(i) 0.001 to 100 parts by weight of a phosphorus acid compound represented by the formula (I);

 

wherein R¹ represents a C_1-4 alkyl group, M represents a magnesium atom, a calcium atom, a barium atom or an aluminum atom and m stands for an integer equivalent to the positive valency of M;

(ii) 0.01 to 300 parts by weight of a chitosan compound represented by the following formula (II);

 

wherein n stands for an integer of 1 or greater and R² represents a hydrogen atom or an acetyl group;

(iii) 0.001 to 100 parts by weight of the aluminum salt of isopropyl phosphate;

(iv) 0.001 to 100 carts by weight of organic acid metal salt selected from the group consisting of magnesium salts, aluminum salts and calcium salts of one organic acid selected from the group consisting of lactic acid, propionic acid, formic acid, acetic acid, levulinic acid, benzoic acid, citric acid, L-(+)-ascorbic acid and salicylic acid, with the proviso that magnesium acetate and calcium acetate are excluded when the component (a) contains N-(phosphonomethyl)glycine or a salt thereof, and magnesium ethoxide; and

0.001 to 100 parts by weight of an inorganic metal salt selected from the group consisting of aluminum nitrate, ammonium aluminum sulfate and potassium aluminum sulfate.

5. The agricultural chemical composition according to any one of claims 1 to 3, wherein the component (b) is one or more than one compound selected from the group consisting of:

0.001 to 100 parts by weight of a phosphorus acid compound represented by the following formula (I);

 

wherein R¹ represents an ethyl group, M represents an aluminum atom and m stands for 3;

0.01 to 300 parts by weight of chitosan;

0.001 to 100 parts by weight of an organic metal salt selected from the group consisting of magnesium lactate, aluminum lactate, calcium lactate, calcium propionate, aluminum acetate, calcium levulinate, calcium benzoate, magnesium citrate, calcium citrate, calcium salicylate and magnesium ethoxide; and

0.001 to 100 parts by weight of an inorganic metal salt selected from the group consisting of aluminum nitrate, ammonium aluminum sulfate and potassium aluminum sulfate.

6. The agricultural chemical composition according to any one of claims 1 to 3, wherein the component (b) is one or more than one compound selected from group consisting of 0.001 to 100 parts by weight of:

a fosetyl aluminum salt;

an organic metal salt selected from the group consisting of magnesium lactate, aluminum lactate, calcium lactate, calcium propionate, magnesium citrate and calcium citrate; and

an inorganic metal salt selected from the group consisting of ammonium aluminum sulfate and potassium aluminum sulfate.

7. The agricultural chemical composition according to any one of claims 1 to 3, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of a plant growth regulator, a fungicide which is an inhibitor of ergosterol biosynthesis and mefluidide.

8. The agricultural chemical composition according to claim 4, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of a plant growth regulator, a fungicide which is an inhibitor of ergosterol biosynthesis and mefluidide.

9. The agricultural chemical composition according to claim 5, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of a plant growth regulator, a fungicide which is an inhibitor of ergosterol biosynthesis and mefluidide.

10. The agricultural chemical composition according to claim 5, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of a plant growth regulator, a fungicide which is an inhibitor of ergosterol biosynthesis and mefluidide.

11. The agricultural chemical composition according to any one of claims 1 to 3, wherein the component (c) is included in the composition and is one or more than one compound which is a plant growth regulator.

12. The agricultural chemical composition according to claim 4, wherein the component (c) is included in the composition and is one or more than one compound which is a plant growth regulator.

13. The agricultural chemical composition according to claim 5, wherein the component (c) is included in the composition and is one or more than one compound which is a plant growth regulator.

14. The agricultural chemical composition according to claim 6, wherein the component (c) is included in the composition and is one or more than one compound which is a plant growth regulator.

15. The agricultural chemical composition according to any one of claims 1 to 3, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hyrazide, a salt of maleic hydrazide, flurprimidol, abscisic acid, paclobutrazol, trinexapac-ethyl and prohexadione-calcium.

16. The agricultural chemical composition according to claim 4, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hyrazide, a salt of maleic hydrazide, flurprimidol, abscisic acid, paclobutrazol, trinexapac-ethyl and prohexadione-calcium.

17. The agricultural chemical composition according to claim 5, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hyrazide, a salt of maleic hydrazide, flurprimidol, abscisic acid, paclobutrazol, trinexapac-ethyl and prohexadione-calcium.

18. The agricultural chemical composition according to claim 6, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hyrazide, a salt of maleic hydrazide, flurprimidol, abscisic acid, paclobutrazol, trinexapac-ethyl and prohexadione-calcium.

19. The agricultural chemical composition according to any one of claims 1 to 3, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hydrazide and a salt of maleic hydrazide.

20. The agricultural chemical composition according to claim 4, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hydrazide and a salt of maleic hydrazide.

21. The agricultural chemical composition according to claim 5, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hydrazide and a salt of maleic hydrazide.

22. The agricultural chemical composition according to claim 6, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of maleic hydrazide and a salt of maleic hydrazide.

23. The agricultural chemical composition according to claim 1, wherein the component (a) is one or more than one compound selected from the group consisting of 4-(hydroxy(methyl)phosphinoyl)-DL-homoalanine and a salt thereof, and the composition is a crop selective herbicide composition.

24. The agricultural chemical composition according to claim 1 or claim 23, wherein the component (b) is one or more than one compound selected from the group consisting of

0.001 to 100 parts by weight of a phosphorus acid compound represented by the following formula (I):

wherein R¹ represents a C_1-4 alkyl group, M represents a magnesium atom, a calcium atom, a barium atom or an aluminum atom and m stands for an integer equivalent to the positive valency of M;

0.01 to 300 parts by weight of a chitosan compound represented by the following formula (II);

 

wherein n stands for an integer of 1 or greater and R² represents a hydrogen atom or an acetyl group; and

0.001 to 100 parts by weight of an organic acid metal salt selected from the group consisting of an aluminum salt and a calcium salt of an organic acid selected from the group consisting of lactic acid, propionic acid, acetic acid, levulinic acid, benzoic acid, citric acid and alginic acid with the proviso that magnesium acetate and calcium acetate are excluded when the component (a) contains N-(phosphonomethyl)glycine or a salt thereof, and aluminum acetylacetate.

25. The agricultural chemical composition according to claim 1 or claim 23, wherein the component (b) is one or more than one compound selected from the group consisting of

0.001 to 100 parts by weight of a phosphorus acid compound represented by the following formula (I):

 

wherein R¹ represents an ethyl group, M represents an aluminum atom and m stands for 3;

0.01 to 300 parts by weight of chitosan; and

0.001 to 100 parts by weight of an organic metal salt selected from the group consisting of aluminum lactate, calcium lactate, calcium propionate, aluminum acetate, calcium acetate, calcium levulinate, calcium benzoate, calcium citrate, calcium alginate and aluminum acetylacetate.

26. The agricultural chemical composition according to claim 1 or claim 23, wherein the component (b) is one or more than one compound selected from the group consisting of 0.001 to 100 parts by weight of a fosetyl aluminum salt and

an organic metal salt selected from the group consisting of aluminum lactate, aluminum acetate, calcium acetate and aluminum acetylacetate.

27. The agricultural chemical composition according to claim 1, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of

atrazine, pyridate and clopyralid.

28. The agricultural chemical composition according to claim 23, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of

atrazine, pyridate and clopyralid.

29. The agricultural chemical composition according to claim 24, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of

atrazine, pyridate and clopyralid.

30. The agricultural chemical composition according to claim 25, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of

atrazine, pyridate and clopyralid.

31. The agricultural chemical composition according to claim 26, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of

atrazine, pyridate and clopyralid.

32. The agricultural chemical composition according to claim 1, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of atrazine and pyridate.

33. The agricultural chemical composition according to claim 23, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of atrazine and pyridate.

34. The agricultural chemical composition according to claim 24, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of atrazine and pyridate.

35. The agricultural chemical composition according to claim 25, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of atrazine and pyridate.

36. The agricultural chemical composition according to claim 26, wherein the component (c) is included in the composition and is one or more than one compound selected from the group consisting of atrazine and pyridate.

37. The agricultural chemical composition according to claim 1, wherein for component (b), components (i), (iii), (iv) and (v) are in amounts of 0.01 to 20 parts by weight and component (ii) is in an amount of 0.1 to 200 parts by weight;

and component (c) is included in the composition and is in an amount of 1 to 50 parts by weight.

38. The agricultural chemical composition according to claim 1, wherein for component (b), components (i), (iii), (iv) and (v) are in amounts of 0.5 to 20 parts by weight and component (ii) is in an amount of 1 to 100 parts by weight;

and component (c) is included in the composition and is in an amount of 1 to 50 parts by weight.

39. The agricultural chemical composition according to claim 1, wherein the component (c) is included in the composition and is being selected from the group consisting of maleic hydrazide, a salt of maleic hydrazide, uniconazole, flurprimidol, inabenfide, chlormequat chloride, dikegulac, ancymidol, abscisic acid, paclobutrazol, trinexapac-ethyl, prohexadione-calcium, choline chloride, triadimefor, triflumizole, pyrifenox, propiconazole, 2-(4-fluorophenyl)-1-(1H-1,2,4-trizol-1-yl)-3-trimethylsilyl-2-propanol, mefluidide, atrazine, pyridate and clopyralid.

40. The agricultural chemical composition according to claim 1, wherein the component (b) is said chitosan compound and n is 1 to 10000.

41. The agricultural chemical composition according to claim 40, wherein n is 1 to 1000 and R² is a hydrogen atom or a C₁-C₁₁ acyl group.

42. The agricultural chemical composition according to claim 1, wherein the component (b) is said isopropyl phosphate salt.

43. The agricultural chemical composition according to claim 1, wherein the component (a) is N-(phosphonomethyl)glycine and the component (b) is a metal salt selected from the group consisting of aluminum nitrate, aluminum ammonium sulfate, aluminum acetate, aluminum lactate, calcium formate, calcium citrate, calcium phosphinate, calcium lactate, calcium propionate, calcium salicylate, calcium acetate salt, calcium levulinate salt, calcium benzoate salt, fosetyl aluminum salt, fosetyl iron salt, a phosphonic acid monoisopropyl ester aluminum salt, fosetyl barium salt, magnesium lactate, magnesium ethoxide and magnesium citrate.

44. The agricultural chemical composition according to claim 1, wherein the component (a) is selected from the group consisting of N-(phosphonomethyl)glycine and 4-(hydroxy(methyl)phosphinoyl)-DL-homoalanine;

and the component (b) is selected from the group consisting of a fosetyl aluminum salt and calcium propionate.

45. The agricultural chemical composition according to claim 1, wherein the component (a) is N-(phosphonomethyl)glycine and the compound (b) is phosphorus acid.

46. The agricultural chemical composition according to claim 1, wherein the component (a) is 4-(hydroxy(methyl)phosphinoyl)-DL-homoalanine, the component (b) is fosetyl aluminum salt and the component (c) is included in the composition and is atrazine.

47. The agricultural chemical composition according to claim 1, wherein the component (a) is 4-(hydroxy(methyl)phosphinoyl)-DL-homoalanine, the component (b) is chitosan and the component (c) is included in the composition and is atrazine.

48. The agricultural chemical composition according to claim 1, wherein the component (a) is N,N-bis(phosphonomethyl)glycine.

49. A method for retarding plant growth comprising applying to a plant an effective growth retarding amount of the plant retardant growth retardant composition according to claim 2.

50. A method for controlling the growth of undesired plants among crop plants comprising applying to a site on which crop plants are growing an effective herbicidal amount of the crop selective herbicide composition according to claim 3.