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| Web URL(s): | https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/122620 Last checked: 12/04/2019 Requires: JavaScript |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Grubbs, Becky; Askew, Shawn D.; McCarty, Lambert B.; Elmore, Matthew T.; Brosnan, James T.; McCurdy, James D.; McCullough, Patrick E.; Unruh, Bryan; Gannon, Travis W.; Patton, Aaron J.; Kaminski, John E.; Kowalewski, Alec; McElroy, J. Scott; Bagavathiannan, Muthukumar |
| Author Affiliation: | Grubbs and Bagavathiannan: Department of Soil and Crop Sciences, Texas A&M University, College Station, TX; Askew: Plant Pathology, Physiology, and Weed Science, Virginia Tech, Blacksburg, VA; McCarty: Department of Plant and Environmental Sciences, Clemson University, Clemson, SC; Elmore: Department of Plant Biology, Rutgers University, New Brunswick, NJ; Brosnan: Department of Plant Sciences, University of Tennessee-Knoxville, Knoxville, TN; McCurdy: Plant and Soil Sciences, Mississippi State University, Starkville, MS; McCullough: University of Georgia-Griffin, Griffin, GA; Unruh: UF/IFAS West Florida Research and Education Center, University of Florida, Jay, FL; Gannon: Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC; Patton: Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN; Kaminski: Pennsylvania State University, University Park, PA; Kowalewski: Horticulture, Oregon State University, Corvallis, OR; McElroy: Auburn University, Auburn, AL |
| Title: | Multi-state survey and preliminary screening to evaluate herbicide resistance epidemic in annual bluegrass (Poa annua L.) in managed turfgrass systems |
| Section: | C05 turfgrass science Other records with the "C05 turfgrass science" Section Turfgrass pest management poster: Diseases, insects, weeds (includes student competition) Other records with the "Turfgrass pest management poster: Diseases, insects, weeds (includes student competition)" Section |
| Meeting Info.: | San Antonio, Texas: November 10-13, 2019 |
| Source: | ASA, CSSA and SSSA International Annual Meetings. 2019, p. 122620. |
| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
| # of Pages: | 1 |
| Keywords: | TIC Keywords: Herbicide evaluation; Herbicide resistance; Poa annua control; Propagation; Weed biotypes; Weed surveys |
| Abstract/Contents: | "Annual bluegrass (Poa annua L.) is one of the most troublesome weeds in managed turfgrass systems, causing severe economic losses to the turfgrass industry. Researchers from 13 states (AL, FL, IN, GA, MS, NJ, NC, OR, PA, SC, TN, TX, and VA) are collaborating to determine the extent of herbicide resistance among escaped annual bluegrass plants. In the early spring and summer of 2019, over 1000 unique annual bluegrass populations were collected from participating states across five USDA plant hardiness zones, with a targeted goal of 2000 total populations by the end of 2020. Each population is comprised of 20-25 individual plants that escaped standard herbicide treatments from one of four primary turfgrass systems: golf courses, athletic fields, sod production farms, and home lawns. Populations were subsequently propagated into flats (20 tillers per flat) in the greenhouse to conduct a preliminary screening with pre- and post-emergence herbicides to identify putative resistant biotypes for further evaluation. Plant response to 12 treatments (11 herbicides and 1 non-treated check) is being evaluated to establish the extent of resistance in sampled populations: trifloxysulfuron, pronamide, simazine, glyphosate, ethofumesate, paclobutrazol, mesotrione, diquat, glufosinate, prodiamine and indaziflam. The objective of this presentation is to introduce the scope of the USDA-SCRI project and present select preliminary findings from the field surveys and resistance screenings. This research is on-going and scheduled to continue through 2020." |
| Language: | English |
| References: | 0 |
| Note: | This item is an abstract only! "181" "Poster #1642" |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Grubbs, B., S. D. Askew, L. B. McCarty, M. T. Elmore, J. T. Brosnan, J. D. McCurdy, et al. 2019. Multi-state survey and preliminary screening to evaluate herbicide resistance epidemic in annual bluegrass (Poa annua L.) in managed turfgrass systems. Agron. Abr. p. 122620. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/309578 |
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| Web URL(s) : | https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/122620 Last checked: 12/04/2019 Requires: JavaScript |
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