AUXIN HERBICIDAL MIXTURES

• US 20190014776A1
• Filed: 06/13/2018
• Published: 01/17/2019
• Est. Priority Date: 06/13/2017
• Status: Active Application

• Current Assignee: Monsanto Technology LLC (Bayer AG)
• Original Assignee: Monsanto Technology LLC (Bayer AG)
• Inventors: Hemminghaus, John W., Klopf, Gary J., Whitteck, John T.
• Application Number:
  US16/007,041
• Publication Number:
  US 20190014776A1
• Time in Patent Office: Days
• 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 25/18 Vapour or smoke emitting compositions with delayed or sustained release
• CPC Class Codes: A01N 25/22 containing ingredients stabilising the active ingredients
• CPC Class Codes: A01N 25/30 characterised by the surfactants
• CPC Class Codes: A01N 25/32 Ingredients for reducing the noxious effect of the active substances to organisms other than pests, e.g. toxicity reducing compositions, self-destructing compositions
• CPC Class Codes: A01N 37/40 having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
• CPC Class Codes: A01N 57/20 containing acyclic or cycloaliphatic radicals

Abstract

The present disclosure relates to herbicidal mixtures comprising an auxin herbicide salt, and an adjuvant, methods of preparing such herbicidal mixtures, and methods of applying such herbicidal mixtures to kill or control unwanted plants.

Claims

1-191. -191. (canceled)

192. An herbicidal composition comprising:

an auxin herbicide, in the form of a salt thereof comprising a first cation;

an agrochemical component comprising one or more agrochemicals that promote the volatilization of the auxin herbicide, wherein the agrochemical component comprises a source of ammonium ions, an organic amine salt of a co-herbicide, or a mixture thereof; and

an adjuvant comprising a second cation selected from the group consisting of;

(a) a quaternary ammonium cation of Formula Ia

193. The composition of claim 192 wherein the second cation comprises a quaternary ammonium cation of Formula Ia

194. The composition of claim 192 wherein the second cation comprises a nitrogen heterocycle cation of Formula IIa

195. The composition of claim 192 wherein the second cation comprises a phosphonium cation of Formula IIIa

196. The composition of claim 192 wherein the agrochemical component comprises a source of ammonium ions selected from the group consisting of ammonium glyphosate, ammonium glufosinate, ammonium sulfate, ammonium thiosulfate, ammonium oxalate, ammonium nitrate, urea ammonium nitrate, ammonium thiocyanate, ammonium chloride, ammonium phosphate, ammonium isethionate, ammonium lactate, ammonium hydroxide, ammonium bicarbonate, ammonium carbonate, ammonium sulfide, and mixtures thereof.

197. The composition of claim 192 wherein the agrochemical component comprises an organic amine salt of glyphosate or glufosinate selected from the group consisting of monoethanolamine, n-propylamine, isopropylamine, ethylamine, dimethylamine, ethylenediamine, hexamethylenediamine, and mixtures thereof.

198. The composition of claim 192 wherein the molar ratio of the auxin herbicide to the adjuvant is from about 2:

1 to about 10;

1.

199. The composition of claim 192 wherein the first cation is selected from the group consisting of sodium, potassium, monoethanolammonium, diethanolammonium, isopropylammonium, diglycolammonium, and dimethyl ammonium.

200. The composition of claim 192 wherein the auxin herbicide is selected from the group consisting of dicamba;

2,4-dichlorophenoxyacetic acid (2,4-D);

4-(2,4-dichlorophenoxy)butyric acid (2,4-DB);

dichloroprop;

2-methyl-4-chlorophenoxyacetic acid (MCPA);

4-(4-chloro-2-methylphenoxy)butanoic acid (MCPB);

4-chlorophenoxyacetic acid;

2,4,5-trichlorophenoxyacetic acid (2,4,5-T);

aminopyralid;

clopyralid;

fluroxypyr;

triclopyr;

mecoprop;

picloram;

quinclorac;

aminocyclopyrachlor; and

mixtures thereof.

201. The composition of claim 192 wherein the auxin herbicide comprises dicamba.

202. A method of preparing an herbicidal concentrate composition comprising an auxin herbicide, wherein the method comprises combining:

an auxin herbicide acid;

a neutralizing base comprising a first cation; and

an adjuvant comprising a hydroxide salt comprising a second cation, wherein the hydroxide salt is selected from the group consisting of;

(a) a quaternary ammonium salt of Formula I

203. A method of preparing an herbicidal tank mixture, wherein the method comprises combining:

an auxin herbicide, in the form of a salt thereof comprising a first cation;

an agrochemical component comprising one or more agrochemicals that promote the volatilization of the auxin herbicide; and

an adjuvant comprising a hydroxide salt comprising a second cation, wherein the hydroxide salt is selected from the group consisting of;

(a) a quaternary ammonium salt of Formula I

207. The method of claim 203 wherein the adjuvant comprises a quaternary ammonium salt of Formula I

208. The method of claim 203 wherein the adjuvant comprises a salt containing a nitrogen heterocycle of Formula II

209. The method of claim 203 wherein the adjuvant comprises a phosphonium salt of Formula III

204. A method of preparing an herbicidal mixture, wherein the method comprises combining:

an auxin herbicide, in the form of a salt thereof comprising a cation; and

an agrochemical component comprising one or more agrochemicals that promote the volatilization of the auxin herbicide, wherein the agrochemical component comprises a source of ammonium ions, an organic amine salt of a co-herbicide, or a mixture thereof,

wherein the cation is selected from the group consisting of;

(a) a quaternary ammonium cation of Formula Ia

205. The method of claim 204 wherein the agrochemical component comprises a source of ammonium ions selected from the group consisting of ammonium glyphosate, ammonium glufosinate, ammonium sulfate, ammonium thiosulfate, ammonium oxalate, ammonium nitrate, urea ammonium nitrate, ammonium thiocyanate, ammonium chloride, ammonium phosphate, ammonium isethionate, ammonium lactate, ammonium hydroxide, ammonium bicarbonate, ammonium carbonate, ammonium sulfide, and mixtures thereof.

206. The method of claim 204 wherein the agrochemical component comprises an organic amine salt of glyphosate or glufosinate selected from the group consisting of monoethanolamine, n-propylamine, isopropylamine, ethylamine, dimethyl amine, ethylenediamine, hexamethylenediamine, and mixtures thereof.

210. A method of preparing an herbicidal tank mixture, wherein the method comprises combining:

an auxin herbicide, in the form of a salt thereof;

an agrochemical component selected from the group consisting of ammonium glufosinate, ammonium glyphosate, ammonium sulfate, and combinations thereof; and

an adjuvant comprising a quaternary ammonium salt selected from the group consisting of tetrabutylammonium hydroxide and tributylmethylammonium hydroxide, wherein the molar ratio of the auxin herbicide to the quaternary ammonium salt is from about 2;

1 to about 10;

1.

211. An herbicidal concentrate composition comprising:

a first auxin herbicide salt comprising a first cation selected from the group consisting of sodium, potassium, monoethanolammonium, diethanolammonium, isopropylammonium, diglycolammonium, dimethylammonium and mixtures thereof;

a second salt of the auxin herbicide comprising a second cation selected from the group consisting of;

(a) a quaternary ammonium cation of Formula Ia