Abstract Dithiopyr and dinitroanilines are preemergence-applied, mitotic-inhibiting herbicides used to control goosegrass [ Eleusine indica (L.) Gaertn.] in turfgrass. A suspected resistant E. population was collected from a golf course putting green evaluated for possible resistance dithiopyr prodiamine. After dose–response evaluation, the α-tubulin gene sequenced known target-site mutations t...