Abstract: A method of selectively controlling undesirable vegetation in corn by applying an herbicidally effective amount of 2-(2'-nitro-4'-trifluoromethylbenzoyl)- 1,3-cyclohexanedione to the locus of such vegetation.

Abstract: Aryl sulfonylureas as new compositions and included in a two-part herbicide system comprising at least one or more thiolcarbamate, 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 formula ##STR1## in which X is oxygen or sulfur; n is an integer; R is lower alkyl, lower alkoxy, lower alkylthio, halogen, trifluoromethyl, cyano, nitro, lower alkyl sulfonyl;R.sup.4 is hydrogen, lower alkyl, lower alkoxyalkyl, phenyl and chlorophenyl;R.sup.2 is hydrogen, lower alkyl, alkoxyalkyl and phenyl;R.sup.1 is lower alkyl, alkenyl, alkynyl, haloalkyl, alkoxyalkyl, 1-phenylpropenyl, benzyl, chlorobenzyl, haloalkenyl, phenyl and alkyl substituted phenyl; andAR is phenyl, benzyl, naphthyl, pyridyl or styryl; and the inorganic base salts sodium, potassium, ammonium and other inorganic salts; and organic base salts thereof.

Abstract: Herbicide compositions comprising an herbicidally effective amount of a compound having the formula ##STR1## wherein R.sub.1 is ##STR2## R.sub.3 and R.sub.6 are independently hydrogen, halogen, alkyl, alkoxy, nitro, trifluoroalkyl, cyano, CH.sub.3 S(O).sub.n -- or CH.sub.3 CH.sub.2 S(O).sub.n --; R.sub.4 is hydrogen, halogen, or alkyl; R.sub.5 is hydrogen, halogen, alkyl or alkoxy; R.sub.7 is hydrogen, halogen, alkyl or alkoxy; W is sulfur or oxygen; n is 0, 1 or 2; X is hydrogen, halogen, alkyl, alkoxy, trifluoroalkyl, thioalkyl or alkoxyalkyl; and Z is alkyl or alkoxy; or their agriculturally acceptable salts; and an antidotally effective amount of an antidote compound having the formula ##STR3## in which X' is oxygen or sulfur, R' is haloalkyl having 1 to 10 carbon atoms, inclusive, and the term halo includes chloro and bromo substitutions, alkyl having 1 to 10 carbon atoms, inclusive, or alkylthio having 1 to 4 carbon atoms, inclusive, R'.sub.1, R'.sub.2, R'.sub.3, R'.sub.5 and R'.sub.

Abstract: An herbicide antidote composition comprising:(a) an herbicidally effective amount of a pyrrolidone compound of the formula ##STR1## in which X is hydrogen, chlorine or methyl;Y is hydrogen, chlorine, or bromine;Z is chlorine or bromine;R is hydrogen, alkyl, acetyl, chlorine, bromine, fluorine, iodine, trifluoromethyl, nitro, cyano, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, trifluoromethylthio, trifluoromethylsulfinyl, trifluoromethylsulfonyl, pentafluoropropionamido, or 3-methylureido;R.sub.1 is hydrogen, alkyl, chlorine, or trifluoromethyl; and,R.sub.

Abstract: An herbicide antidote composition comprising:(a) an herbicidally effective amount of a pyrrolidone compound of the formula ##STR1## in which X is hydrogen, chlorine or methyl;Y is hydrogen, chlorine, or bromine;Z is chlorine or bromine;R is hydrogen, alkyl, acetyl, chlorine, bromine, fluorine, iodine, trifluoromethyl, nitro, cyano, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, trifluoromethylthio, trifluoromethylsulfinyl, trifluoromethylsulfonyl, pentafluoropropionamido, or 3-methylureido;R.sub.1 is hydrogen, alkyl, chlorine, or trifluoromethyl; and,R.sub.

Abstract: An herbicide antidote composition comprising:(a) an herbicidally effective amount of a pyrrolidone compound of the formula ##STR1## in which X is hydrogen, chlorine or methyl;Y is hydrogen, chlorine, or bromine;Z is chlorine or bromine;R is hydrogen, alkyl, acetyl, chlorine, bromine, fluorine, iodine, trifluoromethyl, nitro, cyano, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, trifluoromethylthio, trifluoromethylsulfinyl, trifluoromethylsulfonyl, pentafluoropropionamide, or 3-methylureido;R.sub.1 is hydrogen, alkyl, chlorine, or trifluoromethyl; and,R.sub.

Abstract: Antidote compounds for use with acetanilide herbicides having the formula ##STR1## in which X and X' are halogens, independently selected from the group consisting of chlorine, bromine, and iodine; andR is selected from the group consisting of alkyl having 1-12 carbon atoms, inclusive; halophenyl wherein halo is selected from the group consisting of chlorine, bromine and iodine; and substituted alkoxy carbonyl wherein the alkoxy group has 1-8 carbon atoms, inclusive and the substituents are halogen selected from the group consisting of chlorine, bromine and iodine; or dioxane.