Fungi, mites and mite eggs are killed by applying thereto sulfonamides of the formula ##STR1## wherein R and R.sup.1 individually are alkyl, cycloalkyl, aryl, carbamylalkyl, or alkoxycarbonylalkyl and R.sup.2 is haloalkyl, with the proviso that one R or R.sup.1 group is carbamylalkyl or alkoxycarbonylalkyl.
真菌、螨和螨卵可通过施加式为##STR1##的磺
胺类药物来杀灭,其中R和R.sup.1分别是烷基、环烷基、芳基、
氨基烷基或烷氧羰基烷基,R.sup.2是卤代烷基,但其中一个R或R.sup.1基团是
氨基烷基或烷氧羰基烷基。