Herbicidal compositions containing N-phosphonomethyl glycine and an auxin herbicide

An herbicidal concentrate composition comprising, in aqueous solution:

• (a) glyphosate, in the form of a salt thereof, in a concentration of at least 175 grams acid equivalent per liter;
• (b) an auxin herbicide component comprising one or more auxin herbicides selected from the group consisting of 2,4-D, dicamba, and agriculturally acceptable salts or esters thereof;
• and
• (c) a surfactant component comprising one or more surfactants selected from the group consisting of:
• (i) quaternary ammonium salts having the formula:
• wherein R31 is a linear or branched alkyl or linear or branched alkenyl group having from 8 to 30 carbon atoms, and R32, R33 and R34 are a linear or branched alkyl or linear or branched alkenyl group having from 1 to 30 carbon atoms, and X− is an agriculturally acceptable anion;
• and
• (ii) alkylpolyglycosides having the formula:
• [R101—(R104)q-(sug)uOH]v (11)
• where R101 is hydrogen or C1-18 hydrocarbyl, R104 is hydrogen or C1-4 hydrocarbyl, q is 0 or 1, sug is an open or cyclic structure corresponding to a sugar, u is an average number from 1 to 2, and v is an integer from 1 to 3;
• and wherein the composition has a cloud point of at least 50° C.