Non-bipyridyl salt herbicide, preparation method therefor, and use thereof

A use of a compound having a structure shown in Formula I or Formula II, a pesticide science acceptable salt, an enantiomer, a diastereomer, an optical isomer, a tautomer, a racemate, a deuterated derivative thereof, or a combination thereof, for the preparation of plant killing agents (preferably herbicides):

• wherein,
• R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are each independently selected from the group consisting of:
• hydrogen, halogen, cyano, C1-C6 alkyl, C3-C6 cycloalkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C6 alkoxy, —C(O)O(C1-C6)alkyl, —S(O)p(C1-C6)alkyl, C1-C6 haloalkyl, C1-C6 haloalkoxy, and —NRaRb;
• p is 0, 1, or 2;
• Ra and Rb are each independently selected from the group consisting of:
• H, C1-C6 alkyl, C3-C6 cycloalkyl, C2-C6 alkenyl, C2-C6 alkynyl, C1-C6 haloalkyl and C1-C6 alkoxy;
• R6′ and Ry′ are each independently selected from the group consisting of H, C1-C6 alkyl, and C1-C6 haloalkyl.