Fecha de publicación: -- Fuente: WIPO "tomato" The present invention belongs to the technical field of pesticides, and particularly relates to a triazole compound, and a preparation method therefor, a herbicidal composition and the use thereof. The triazole compound is as shown in general formula I:






wherein M represents N or CH; X represents halogen, alkyl, haloalkyl, cyano, or haloalkoxy; Y represents hydrogen or halogen; Z represents hydrogen, halogen, cyano, or unsubstituted or halogen-substituted alkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkenyloxy, alkynyloxy, alkoxyalkyl, alkylthio, alkylsulfoxy, or alkylsulfonyl; and A and B independently represent hydrogen, halogen, cyano, alkyl, cycloalkyl, alkoxy, alkylthio, alkylthioalkyl, or alkoxyalkyl, and A and B are not hydrogen at the same time. The compound has a good herbicidal activity on Gramineae weeds, broad-leaved weeds, Cyperaceae weeds, etc., even at a low application rate, and has high selectivity to crops.