Herbicidal composition and weeding method

Details Herbicidal composition and weeding method Herbicidal composition and weeding method

A - Human Necessities

01

N

A01N 57/20 (2006.01)

Patent

CA 2108710

The present invention relates to a herbicidal composition containing as active ingredients at least one organophosphorus compound and 3-substituted phenylpyrazole derivative of the general formula (I): (see fig. I) [wherein R is -Y1R3, -Y2CH(R4)CO-OR5, -COOCH(R4)CO-Y1R5 or -COOR6 (R3, R4, R5, R6, Y1 and Y2 are specified groups), R1 is a lower alkyl group, R2 is a hydrogen atom, a lower alkyl group or a lower haloalkyl group, X1 and X2, which may be the same or different, are halogen atoms, Y is -O-, -S-, -SO- or -SO2-, and n is zero or 1]; and a weeding method using said composition.

L'invention porte sur une composition herbicide renfermant comme ingrédients actifs au moins un composé organophosphoré et un dérivé de substitution en 3 de phénylpyrazole de formule générale (I) (voir fig. I), où R est -Y1R3, -Y2CH(R4)CO-OR5, -COOCH(R4)CO-Y1R5 ou -COOR6 (R3, R4, R5, R6, Y1 et Y2 sont des groupes spécifiés), R1 est un alkyle inférieur, R2 est un hydrogène, un alkyle inférieur ou un haloalkyle inférieur, X1 et X2, qui peuvent être les mêmes ou différents, sont des atomes d'halogène, Y est -O-, -S-, -SO- ou -SO2-, et n est zéro ou 1; méthode de désherbage utilisant cette composition.

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