Managing Global Resources for a Secure Future

2017 Annual Meeting | Oct. 22-25 | Tampa, FL

271-3 Innovative Approaches to Goosegrass (Eleusine indica (L.) Gaertn.) Control and Turfgrass Safety.

See more from this Division: C05 Turfgrass Science
See more from this Session: Turf Weed Management and Plant Growth Regulators (includes student competition)

Tuesday, October 24, 2017: 2:05 PM
Marriott Tampa Waterside, Florida Salon IV

Bobby Kerr1, Lambert B. McCarty2, Matthew Cutulle3, Nathaniel Gambrell1, William Bridges4 and Christopher Saski1, (1)Clemson University, Clemson, SC
(2)Department of Agricultural and Environmental Sciences, Clemson University, Clemson, SC
(3)Department of Plant and Environmental Sciences, Coastal Research and Education Center, Clemson University, Charleston, SC
(4)Department of Mathematical Sciences, Clemson University, Clemson, SC
Abstract:
Goosegrass (Eleusine indica (L.) Gaertn.) is a major turfgrass weed in various turf scenarios in many parts of the world. One of the challenges facing turfgrass managers with infestations of goosegrass, is non-target turfgrass species response, especially warm season turfgrass species to many POST herbicides. Investigations into innovative methods of improving turfgrass safety and delivering effective goosegrass control included irrigation immediately following the application of root absorbed herbicides. It is hypothesized turfgrass species are less sensitive to the herbicide when root absorbed. In a preliminary study, turfgrass not immediately irrigated, lead to unacceptable (>30%) turfgrass phytotoxicity. Goosegrass maturity also plays a role in the efficacy of the control products as mature goosegrass typically has a higher tolerance to POST herbicides. Results of these and additional studies will be reviewed.

See more from this Division: C05 Turfgrass Science
See more from this Session: Turf Weed Management and Plant Growth Regulators (includes student competition)