Dicamba and pendimetalin herbicidal composition and application thereof

The invention discloses a dicamba and pendimetalin herbicidal composition and application thereof, the herbicidal composition comprises dicamba and pendimetalin as main effective components, and the mass ratio of dicamba to pendimetalin is 1-60:1-60. The herbicidal composition can be used for cornfield after-seedling weeding, is especially used to control gramineae and broadleaf weeds in cornfields, and has a significant effect. The herbicidal composition has the advantages of delaying weed resistance, wide weeding spectrum, long lasting period, and safety of the corn and afterreap crops on the premise of improvement of the efficacy of the herbicide compared with a single agent.