Herbicidal pyrimidinylmethyl-substituted 1,2,4-triazoles

A compound of Formula 1, stereoisomers, N-oxides, and salts thereof, agricultural compositions containing them and their use as herbicides:

• wherein
• R1 is halogen, cyano, nitro, C1-C4 alkyl, C1-C4 haloalkyl, C3-C7 cycloalkyl, C2-C5 alkenyl, C2-C5 alkynyl, C1-C4 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C4 alkoxy, C2-C5 alkylcarbonyl, C2-C5 alkoxycarbonyl, C1-C4 haloalkoxy or C2-C7 alkoxyalkyl;
• R2 is cyano, nitro, halogen, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 haloalkoxy, C2-C7 alkoxyalkyl, C2-C7 alkoxyalkoxy, C3-C7 cycloalkyl, C2-C5 alkylcarbonyl, C2-C5 alkoxycarbonyl, C1-C4 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C4 haloalkylthio, C1-C4 haloalkylsulfinyl or C1-C4 haloalkylsulfonyl;
• Q is C1-C6 alkyl, C1-C6 haloalkyl, C3-C6 cycloalkyl, C1-C6 alkylthio, C1-C6 haloalkylthio, C1-C6 alkylsulfinyl, C1-C6 alkylsulfonyl, C1-C6 alkoxy, C1-C6 haloalkoxy, C2-C5 alkylcarbonyl, C2-C5 alkoxycarbonyl, C2-C5 haloalkylcarbonyl, C2-C5 haloalkoxycarbonyl or C1-C4 alkoxyalkyl;
• or G;
• G is phenyl, or a 5- or 6-membered heterocyclic ring;
• the phenyl or heterocyclic ring unsubstituted or substituted with 1 or 2 R3;
• and
• R3 is halogen, cyano, nitro, C1-C4 alkyl, C1-C4 haloalkyl, C3-C5 cycloalkyl, C1-C4 alkenyl, C1-C4 alkynyl, C1-C4 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C2-C5 alkylcarbonyl, C2-C5 alkoxycarbonyl, C1-C4 alkoxyalkyl, C1-C4 alkylthio, C1-C4 alkylsulfinyl or C1-C4 alkylsulfonyl.