Pesticidal substituted pyridazinones of the formula ##STR1## in which R.sup.1 represents alkyl or halogenoalkyl, or represents optionally substituted cycloalkyl, or represents optionally substituted cycloalkylalkyl, or represents optionally substituted aralkyl, R.sup.2 represents halogen or alkyl, R.sup.3 and R.sup.4 independently of one another each represents hydrogen or alkyl, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 independently of one another each represents hydrogen, halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogenoalkylthio, X represents oxygen or sulphur and Z represents a radical of the formula --CH.dbd.CH--, --CH.sub.2 --O--, --O-- or --S--.
化学式为##STR1##的杀虫取代
吡啶酮,其中R.sup.1代表烷基或卤代烷基,或代表可选取代的环烷基,或代表可选取代的环烷基烷基,或代表可选取代的芳基烷基,R.sup.2代表卤素或烷基,R.sup.3和R.sup.4各自独立地代表氢或烷基,R.sup.5、R.sup.6、R.sup.7、R.sup.8和R.sup.9各自独立地代表氢、卤素、烷基、卤代烷基、烷氧基、卤代烷氧基、烷
硫基或卤代烷
硫基,X代表氧或
硫,Z代表公式--CH.dbd.CH--, --CH.sub.2 --O--, --O--或--S--的基团。