Arylsulfonylureas and their use as herbicides and growth regulators

A compound of the formula (I) and salts thereof, ##STR22## where Q is oxygen, sulfur or --N(R.sup.4)--,

• W is oxygen or sulfur,
• Y and Z independently of one another are CH or N, where Y and Z are not simultaneously CH,
• R is hydrogen;
• (C.sub.1 -C.sub.12)alkyl;
• (C.sub.2 -C.sub.10)alkenyl;
• (C.sub.2 -C.sub.10)alkynyl;
• (C.sub.1 -C.sub.6)alkyl, which is monosubstituted to tetrasubstituted by radicals selected from the group consisting of halogen, (C.sub.1 -C.sub.4)alkoxy-, (C.sub.1 -C.sub.4)thioalkyl, --CN, (C.sub.2 -C.sub.5)alkoxycarbonyl and (C.sub.2 -C.sub.6)alkenyl;
• (C.sub.3 -C.sub.8)cycloalkyl which is unsubstituted or substituted by radicals selected from the group consisting of (C.sub.1 -C.sub.4)alkyl, (C.sub.1 -C.sub.4)alkoxy, (C.sub.1 -C.sub.4)alkylthio and halogen;
• (C.sub.5 -C.sub.8)cycloalkenyl;
• phenyl(C.sub.1 -C.sub.4)alkyl which is unsubstituted or substituted in the phenyl radical;
• or a radical of the formulae A-1 to A-10 ##STR23## where X is O, S, S(O) or SO.sub.2 ;
• R.sup.1 is hydrogen or (C.sub.1 -C.sub.3)alkyl;
• R.sup.2 is hydrogen, halogen, (C.sub.1 -C.sub.3)alkyl, (C.sub.1 -C.sub.3)alkoxy, where the two last-mentioned radicals are unsubstituted or monosubstituted or polysubstituted by halogen or (C.sub.1 -C.sub.3)alkoxy;
• R.sup.3 is hydrogen, halogen, (C.sub.1 -C.sub.3)alkyl, (C.sub.1 -C.sub.3)alkoxy or (C.sub.1 -C.sub.3)alkylthio, where the three last-mentioned radicals are unsubstituted or monosubstituted or polysubstituted by halogen or monosubstituted or disubstituted by (C.sub.1 -C.sub.3)alkoxy or (C.sub.1 -C.sub.3)alkylthio;
• or a radical of the formula NR.sup.5 R.sup.6, (C.sub.3 -C.sub.6)cycloalkyl, (C.sub.2 -C.sub.4)alkenyl, (C.sub.2 -C.sub.4)alkynyl, (C.sub.3 -C.sub.4)alkenyloxy or (C.sub.3 -C.sub.6)alkynyloxy;
• R.sup.4 is hydrogen, (C.sub.1 -C.sub.4)alkyl or (C.sub.1 -C.sub.4)alkoxy and
• R.sup.5 and R.sup.6 independently of one another are hydrogen, (C.sub.1 -C.sub.4)alkyl, (C.sub.3 -C.sub.4)alkenyl, (C.sub.1 -C.sub.4)haloalkyl or (C.sub.1 -C.sub.4)alkoxy.