ZA892204B - Pesticides - Google Patents

Abstract

Pesticidal agents characterised in that they contain at least one compound of the formula I <IMAGE> where M is carbon or silicon, X is CH2, O, S, NR<6>, R<1> is (C2-C18)alkyl, (C3-C7)cycloalkyl, (C2-C8)alkenyl, phenyl, naphthyl, pyridyl, pyrimidyl, pyradizinyl, pyrazinyl, 1,2,4-triazinyl or 1,2,4,5-tetrazinyl, it being possible for all these substituents to be mono- or polysubstituted, R<2> and R<3> independently of one another are (C1-C3)alkyl, (C2-C8)alkenyl or phenyl, or R<2> and R<3> are an alkylene chain which together with the quaternary central atom (M) forms an unsubstituted or fluorine-substituted ring having four to six ring members (where M = Si) or having three to six ring members (where M = C), R<4> is -H, -CN, -CCl3, -C IDENTICAL CH, (C1-C4)alkyl <IMAGE> R<5> is pyridyl, furyl or thienyl, all of which can be substituted, or phthalimidyl, di(C1-C4)alkylmaleimidyl, thiophthalimidyl, dihydrophthalimidyl, tetrahydrophthalimidyl, substituted phenyl or R<4> and R<5> - together with the carbon atom linking them - form an optionally substituted indanyl, cyclopentenoyl or cyclopentenyl radical, and R<6> represents H, (C1-C3)alkyl or phenyl, in combination with a compound from amongst the group comprising endosulfan (IX), buprofezin (X), cyromazine (XI), flubenzimine (XII), flufenoxuron (XIII), deltamethrin (XIIIa), triazophos (XIIIb), heptenophos (XIIIc), or with a compound of the formula XIV <IMAGE> where R15, R16, R17 and R18 independently of one another are hydrogen or halogen, R19 is CH3, CF3 or halogen and R20 is (C1-C3)haloalkyl, or a compound of the formula XV <IMAGE> where R21 and R22 independently of one another represent H or halogen, show advantageous synergistic effects.