Herbicidal and plant growth regulant compositions and their use

Details Herbicidal and plant growth regulant compositions and their use Herbicidal and plant growth regulant compositions and their use

A - Human Necessities

01

N

A01N 57/20 (2006.01) A01N 57/34 (2006.01)

Patent

CA 2257175

Glyphosate formulations which are effective even when employed at dosages below the dosage currently recommended for post-emergent herbicidal or plant growth regulant use are described. They are formulated as water solutions or powders or granules of (a) one or more agriculturally acceptable salts of glyphosate, and (b) one or more particular types of quaternary ammonium compounds. The quaternary ammonium compound(s) are water-soluble compounds represented by the formula: R1R2R3R4N+X- wherein R1 is an aryloxyalkyl group having from 7 to 16 carbon atoms, R2 is an alkyl group having in the range of 10 to 18 carbon atoms, R3 is a methyl or ethyl group, R4 is, independently, a methyl or ethyl group, or an alkyl group having in the range of 10 to 18, and X is a chlorine or bromine atom.

Formulations de glyphosate efficaces comme herbicides de postémergence ou comme phytorégulateurs, même à des doses inférieures à celles qui sont couramment recommandées. Elles sont formulées en solutions aqueuses, en poudres ou en granules de: (a) un ou plusieurs sels de glyphosate acceptables du point de vue agricole et (b) un ou plusieurs types de composés d'ammonium quaternaire. Le ou lesdits composés d'ammonium quaternaire sont des composés solubles dans l'eau représentés par la formule: R?1¿R?2¿R?3¿R?4¿N?+¿X?-¿ dans laquelle R?1¿ désigne un groupe aryloxyalkyl possédant de 7 à 16 atomes de carbone, R?2¿ désigne un groupe alkyl possédant une plage d'atomes de carbone comprise entre 10 et 18, R?3 ¿désigne un groupe méthylique ou éthylique, R?4¿ désigne, indépendamment, un groupe méthylique ou éthylique, ou un groupe alkyl possédant une plage d'atomes de carbone comprise entre 10 et 18, et X désigne un atome de chlore ou de brome.

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