Substituted nitrogen-containing heteroaromatic ring formamide derivative, weeding composition and use thereof

Belonging to the technical field of pesticides, the invention in particular relates to a substituted nitrogen-containing heteroaromatic ring formamide derivative, a weeding composition and use thereof. The substituted nitrogen-containing heteroaromatic ring formamide derivative has a structural formula shown as the specification, wherein Q represents N or C-R'', X represents halogen and the like,Y represents nitro or NR1R2, and Z represents hydrogen, halogen, cyano, nitro, amino, etc. The substituted nitrogen-containing heteroaromatic ring formamide derivative and the weeding composition thereof have excellent herbicidal activity and crop selectivity. 本发明属于农药技术领域，具体涉及种取代的含氮杂芳环甲酰胺衍生物及其除草组合物和用途。所述取代的含氮杂芳环甲酰胺衍生物，其结构式如下：式中，M代表Q代表N或C-R"，X代表卤素等，Y代表硝基或NRR，Z代表氢，卤素，氰基，硝基，氨基等。所述取代的含氮杂芳环甲酰胺衍生物及其除草组合物具有优异的除草活性和作物选择性。