Patent ID: 6867169

Claim:
A method for the protection of plant propagation material, which comprises treating the plant propagation material or the site where the propagation material is planted or sown with an effective insecticidal or acaricidal combination of one or more compounds of the formula in which A is an unsubstituted or mono- to tetrasubstituted, aromatic or non-aromatic monocyclic or bicyclic heterocyclic radical, in which the substituents of A are selected from the group consisting of C 1 -C 3 alky, C 1 -C 3 alkoxy, halogen, halo-C 1 -C 3 alkyl, cyclopropyl, halocyclopropyl, C 2 -C 3 alkenyl, C 2 -C 3 alkynyl, halo-C 2 -C 3 alkenyl, halo-C 2 -C 3 alkynyl, halo-C 1 -C 3 alkoxy, C 1 -C 3 alkylthio, halo-C 1 -C 3 alkylthio, allyloxy, propargyloxy, allylthio, propargylthio, haloallyloxy, halo allylthio, cyano and nitro; R is hydrogen, C 1 -C 6 alkyl, phenyl-C 1 -C 4 alkyl, C 3 -C 6 cycloalkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl; and X is N—NO 2 or N—CN, in the free form or in salt form, optionally tautomers thereof, in the free form or salt form, and the compound: (XLI)fipronil; and at least one formulation auxiliary wherein the compound a and XLI are in a mixing ratios of 100:1 to 1:6000.