A compound of Formula: or an agronomically acceptable salt thereof, wherein:- X 1 is N or CR 4; R 1 is selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 2 alkoxy-C 1 -C 2 alkyl, C 2 -C 4 alkenyl, C 1 -C 4 haloalkyl, C 2 -C 4 haloalkenyl, C 2 -C 4 alkynyl and C 2 -C 4 haloalkynyl; R 2 is selected from the group consisting of hydrogen, halogen, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 haloalkoxy, C 1 -C 3 haloalkoxy-C 1 -C 3 alkyl-, C 1 -C 6 alkoxy, C 1 -C 3 alkoxy-C 1 -C 3 alkyl, C 1 -C 3 alkoxy-C 1 -C 3 alkoxy-C 1 -C 3 alkyl-, C 3 -C 6 cycloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl, C 1 -C 6 hydroxyalkyl-, C 1 -C 6 alkylcarbonyl-, -S p C 1 -C 6 alkyl, amino, C 1 -C 6 alkylamino, C 1 -C 6 dialkylamino, -C(C 1 -C 3 alkyl)=N-O-C 1 -C 3 alkyl and C 2 -C 6 haloalkynyl; R 3 is independently selected from the group consisting of hydrogen, halogen, nitro, cyano, amino, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxycarbonyl and -S p C 1 -C 6 alkyl; R 4 and R 5 are independently selected from the group consisting of hydrogen, hydroxyl, halogen, nitro, cyano, amino, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 atkoxy, C 1 -C 6 alkoxycarbonyl and -S p C 1 -C 6 alkyl; G is hydrogen or -C -R 6; R 6 is selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 atkenyl, C 1 -C 6 alkynyl, C 1 -C 6 alkyl-S-, C 1 -C 6 alkoxy, -NR 7 R 8 and phenyl optionally substituted by one or more R 9; R 7 and R 8 are independently selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 alkoxy-; wherein R 7 and R 8 can together form a morpholinyl ring; R 9 is selected from the group consisting of halogen, cyano, nitro, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy and C 1 -C 3 haloalkoxy; n = 0,1,2,3 or 4; and p=0, 1 or 2. X 1 is N or CR 4; R 1 is selected from the group consisting of C 1 -C 4 alkyl, C 1 -C 2 alkoxy-C 1 -C 2 alkyl, C 2 -C 4 alkenyl, C 1 -C 4 haloalkyl, C 2 -C 4 haloalkenyl, C 2 -C 4 alkynyl and C 2 -C 4 haloalkynyl; R 2 is selected from the group consisting of hydrogen, halogen, cyano, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 haloalkoxy, C 1 -C 3 haloalkoxy-C 1 -C 3 alkyl-, C 1 -C 6 alkoxy, C 1 -C 3 alkoxy-C 1 -C 3 alkyl, C 1 -C 3 alkoxy-C 1 -C 3 alkoxy-C 1 -C 3 alkyl-, C 3 -C 6 cycloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 2 -C 6 alkynyl, C 1 -C 6 hydroxyalkyl-, C 1 -C 6 alkylcarbonyl-, -S p C 1 -C 6 alkyl, amino, C 1 -C 6 alkylamino, C 1 -C 6 dialkylamino, -C(C 1 -C 3 alkyl)=N-O-C 1 -C 3 alkyl and C 2 -C 6 haloalkynyl; R 3 is independently selected from the group consisting of hydrogen, halogen, nitro, cyano, amino, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 alkoxy, C 1 -C 6 alkoxycarbonyl and -S p C 1 -C 6 alkyl; R 4 and R 5 are independently selected from the group consisting of hydrogen, hydroxyl, halogen, nitro, cyano, amino, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 3 -C 6 cycloalkyl, C 1 -C 6 atkoxy, C 1 -C 6 alkoxycarbonyl and -S p C 1 -C 6 alkyl; G is hydrogen or -C -R 6; R 6 is selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 atkenyl, C 1 -C 6 alkynyl, C 1 -C 6 alkyl-S-, C 1 -C 6 alkoxy, -NR 7 R 8 and phenyl optionally substituted by one or more R 9; R 7 and R 8 are independently selected from the group consisting of C 1 -C 6 alkyl, C 1 -C 6 alkoxy-; wherein R 7 and R 8 can together form a morpholinyl ring; R 9 is selected from the group consisting of halogen, cyano, nitro, C 1 -C 3 alkyl, C 1 -C 3 haloalkyl, C 1 -C 3 alkoxy and C 1 -C 3 haloalkoxy; n = 0,1,2,3 or 4; and p=0, 1 or 2.