| abstract |
The novel synergistic active substance combinations composed of (1) 4-amino-6-t-butyl-3-methylthio-1,2,4-triazine-5-one of the formula (I)(herbicide), <IMAGE> and (2) an O-2,2,2-trihaloethylphosphate or -phosphonate of the general formula (II) (synergist) <IMAGE> in which R<1> represents alkoxy, alkylthio, haloalkoxy or optionally substituted aryloxy, R<2> represents alkyl, alkoxy, haloalkyl or optionally substituted aryl, X represents oxygen or sulphur and Y represents halogen, have a particularly powerful herbicidal activity.c |