PESTICIDAL COMPOSITIONS COMPRISING A SUBSTITUTED 1, 2, 4-TRIAZOLE COMPOUND AND A PYRETHROID INSECTICIDE AND THE USE THEREOF IN COMBATING PESTS

摘要

A pesticidal composition which includes a substituted 1, 2, 4 -triazole compound and a pyrethroid insecticide, characterised in that the 1, 2, 4-triazole compound is a 1-dimethylcarbamoyl- 3-substituted-5-substituted-1H-1, 2, 4-triazole of the formula wherein R21 is an unsubstituted or substituted (C1-C6) straight chain alkylene group having one to four of the same or different substituents selected from cyano; nitro; OR23; CO2R23 OCOR23; COR23; (C2-C6) alkenyl; (C2-C6) alkynyl; (C1-C6) alkyl; or unsubstituted or substituted phenyl having 440 כ" ג בתמוז התש" ס - July 26, 2000 one to three of the same or different halo, cyano, nitro, trifluoromethoxy, difluoromethoxy, tetrafluoroethoxy, trifluorothiomethoxy, tetrafluorothiomethoxy; CO2R23, COR23, OCOR23, (C1-C4) alkyl, (C1-C4) alkoxy, (C1-C4) haloalkyl or (C2-C6) alkenyl; R22 is hydrogen; unsubstituted or substituted (C1-C6) alkyl where the substituent is halo, cyano, nitro, OR23, CO2R23, COR23, or OCOR23; unsubstituted or substituted phen (C1-C4) - alkyl where the phenyl ring has one to three of the same or different substituents selected from halo, cyano, nitro, trifluoromethoxy, difluoromethoxy, tetrafluoroethoxy, trifluorothiomethoxy, tetrafluorotioethioxy, CO2R23, COR23, OCOR23, (C1-C4) alkyl, (C1-C4) alkoxy, (C1-C4) haloalkyl or (C2-C6) alkenyl; unsubstituted or substituted phenyl having one to three of the same or different substituents selected from halo, cyano, nitro, trifluoromethoxy, difluromethoxy, tetrafluoroethoxy, trifluorothiomethoxy, tetrafluorothioethoxy, CO2R23, COR23, OCOR23, (C1-C4) alkyl, (C1-C4) alkoxy, (C1-C4) haloalkyl or (C2-C6) alkenyl; R24 is hydrogen; or (C1-C6) alkyl; R22 and R24, together with the nitrogen atom to which they are attached, form a pyrrolidino, morpholino or piperidino ring; W is isopropyl; sec-butyl; t-butyl; t-amyl; or 2-methylthio-2-propyl; where R23 is hydrogen; (C1-C6) alkyl; or phenyl optionally substituted with one to three of the same or different halo, cyano, nitro, hydroxy, trifluoromethyl, trifluoromethoxy, difluoromethoxy, tetrafluoroethoxy, trifluorothiomethoxy, tetrafluorothioethoxy, (C1-C4) alkyl, (C1-C4) alkoxy, (C1-C4) haloalkyl, (C2-C6) alkenyl, carboxy, (C1-C4) alkoxycarbonyl; and agronomically acceptable salts thereof, and the pyrethroid insecticide is of the formula where A and B independently represent a halogen atom or a methyl group; x is 0, 1 or 2; y is 0, 1 or 2; and R10 represents a group of the formul