Monsanto Technology LLC

Other

Alison MacInnes

John W Hemminghaus

Daniel R Wright

Junhua Zhang

Andrew D Dyszlewski

Todd Charles Friedman

Phillip K Lee

The present invention relates generally low volatility herbicidal compositions comprising at least one auxin herbicide and at least one monocarboxylic acid, or monocarboxylate thereof. The invention further relates generally to methods for preparing and using such low volatility herbicidal compositions, including methods for controlling auxin-susceptible plant growth on agricultural and non-agricultural lands.

Low volatility herbicidal compositions

Herbicidal concentrate compositions containing glyphosate salts and tank mix compositions containing a combination of glyphosate salt and dicamba salt herbicides are described. A method of preparing a tank mix composition comprising a glyphosate component and a dicamba component is also described. The method includes combining a glyphosate concentrate composition, a dicamba composition comprising one or more salts of dicamba and dilution water to form the tank mix composition. The glyphosate concentrate composition comprises a glyphosate salt selected from the group consisting of the monoethanolamine salt, the potassium salt, and mixtures thereof at a glyphosate loading of at least about 240 grams acid equivalent per liter (g a.e./l), and the pH of a 5 wt. % acid equivalent dilution of the glyphosate concentrate composition is from about 5 to about 6.5.

Glyphosate composition for dicamba tank mixtures with improved volatility

The present invention generally relates to solid herbicidal concentrate compositions comprising one or more herbicide salts, particularly salts of acidic herbicides such as glyphosate salts, glufosinate salts, and/or various auxin herbicide salts. The present invention further relates to various processes for preparing the solid herbicidal concentrate compositions as well as methods of using the solid herbicidal concentrate compositions to prepare herbicidal application mixtures.

Solid herbicidal concentrate compositions

Herbicidal concentrate compositions containing a combination of glyphosate salt and dicamba salt are provided. For example, a low volatility aqueous herbicidal concentrate composition including a glyphosate salt, dicamba salt, and a surfactant is described, wherein (i) the composition contain a total active herbicide loading of glyphosate salt and dicamba salt of at least about 450 grams acid equivalent per liter; (ii) the pH of the concentrate composition is less than about 5.7; and (iii) the acid equivalent weight ratio of glyphosate salt to dicamba salt is from about 1:1 to about 3:1.

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St. Louis, MO, United States of America

Alison MacInnes