The invention belongs to the technical field of pesticides, and specifically relates to a 4-pyridinyl formamide compound or a derivative thereof, a preparation method therefor, a herbicidal composition and the use thereof. The 4-pyridinyl formamide compound is as represented by formula (I), wherein, X and Y each independently represent nitro, halogen, cyano, formyl, thiocyano, mercapto, etc.; and M represents an unsubstituted or substituted structure (II). The compound, and the derivative and the composition thereof have excellent herbicidal activity and a higher crop safety, and establish good selectivity, especially for key crops such as wheat and rice.
本发明属于农药技术领域,具体涉及一种4-
吡啶基甲酰胺化合物或其衍
生物、其制备方法、除草组合物及其用途。4-
吡啶基甲酰胺化合物由式(I)表示,其中,X 和 Y 各自独立地代表硝基、卤素、
氰基、甲酰基、
硫氰基、巯基等;M 代表未取代或取代的结构(II)。该化合物及其衍
生物和组合物具有优异的除草活性和更高的作物安全性,并建立了良好的选择性,尤其适用于小麦和
水稻等主要作物。