postemergence
Adjective
Meaning
postemergence (not comparable)
(of herbicide use) After the emergence of the plants being targeted.
Examples
Leaf-feeding insects such as corn borer, fall armyworm and cutworm can be controlled with a postemergence spray of a labeled pyrethroid insecticide.
Bradley applied Liberty and Roundup postemergence in the XtendFlex beans according to the label recommendations.
The operator took them out with a postemergence application, but not before they had time to impact soybeans growing within those random patches.