| abstract |
Aryl sulfonylureas as new compositions and included in a two-part herbicide system comprising at least one or more thioicarbamate, thiolcarbamate sulfoxide or haloacetanilide herbicide, and as the second part a non-phytotoxic antidotally effective amount of aryl sulfonylurea as an antidote therefor of the formulan n in which X is oxygen or sulfur; n is an integer; R is lower alkyl, lower alkylthio, halogen, trifluoromethyl, cyano, nitro, lower alkyl sulfonyl; R 4 is hydrogen, lower alkyl, lower alkoxyalkyl, phenyl and chlorophenyl; R 2 is hydrogen, lower alkyl, alkoxyalkyl and phenyl; R' is lower alkyl, alkenyl, alkynyl, haloalkyl, alkoxyalkyl, 1-phenylpropenyl, benzyl, chlorobenzyl, haloalkenyl, phenyl and alkyl substituted phenyl; and n AR is phenyl, benzyl, naphthyl, pyridyl or styryl; and the inorganic base salts sodium, potassium, ammonium and other inorganic salts; and organic base salts thereof. |