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| Full TGIF Record # 325007 Item 1 of 1 |
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| Web URL(s): | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/144658 Last checked: 01/31/2023 Requires: JavaScript; HTML5 https://wssa.net/wp-content/uploads/WSSA-WSWS-2023-Proceedings.html Last checked: 08/14/2023 Notes: Item is within a single large file; Joint Weed Science Society of America and Northeastern Weed Science Society publication |
| Publication Type: | Report |
| Content Type: | Abstract or Summary only |
| Author(s): | Rutland, Claudia Ann; Patel, Jinesh; Bagavathiannan, Muthu; Grubbs, Becky; McCurdy, James D.; McElroy, J. Scott |
| Author Affiliation: | Rutland: Presenting Author and Auburn University; Patel and McElroy: Auburn University; Bagavathiannan and Grubbs: Texas A&M University; McCurdy: Mississippi State University |
| Title: | Genetic relatedness of herbicide resistant Poa annua populations |
| Section: | Turfgrass pest management oral I (includes student competition) Other records with the "Turfgrass pest management oral I (includes student competition)" Section C05 turfgrass science Other records with the "C05 turfgrass science" Section |
| Meeting Info.: | Baltimore, Maryland: November 6-9, 2022 |
| Source: | ASA, CSSA, SSSA International Annual Meeting. 2022, p. 144658. |
| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
| # of Pages: | 1 |
| Abstract/Contents: | "Poa annua L. (annual bluegrass) is a ubiquitous weed species that has commonly been identified as one of the worst weeds to control in turfgrass systems. The increasing numbers of herbicide resistant populations is a major contributor to the difficulties faced in managing P. annua. With reported resistance to now 12 modes of action, the need to understand how to manage P. annua is at an all time high. Understanding how herbicide resistance is actually spread in P. annua could allow us to update our current management practices. Thus, a population study focusing on the genetic relatedness between resistant P. annua populations was conducted in order to ascertain how these populations were acquiring resistance traits. A selection of 144 individuals resistant to ALS, EPSPS, a-tubulin, and photosystem II herbicides were collected across the southeastern United States to analyze if there was a significant difference between populations. SSR markers were used to produce polymorphic bands, which were scored and used to determine population structure using STRUCTURE. The analysis resulted in a population structure of k=5, with seemingly no correlation between location or resistance type. This begs the question, how are these populations related, and what else do we need in order to understand how herbicide resistance is spread?" |
| Language: | English |
| References: | 0 |
| Note: | Reprint appears in Abstracts of the Annual Meeting of the Weed Science Society of America, p. 383, with variant title "Investigating the Genetic Relatedness of Herbicide Resistant Poa annua Populations "216-9" This item is an abstract only! |
| ASA/CSSA/SSSA Citation (Crop Science-like – may be incomplete): | Rutland, C. A., J. Patel, M. Bagavathiannan, B. Grubbs, J. D. McCurdy, and J. S. McElroy. 2022. Genetic relatedness of herbicide resistant Poa annua populations. Agron. Abr. p. 144658. |
| Fastlink to access this record outside TGIF: | http://tic.msu.edu/tgif/flink/RECNO/325007 |
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| Web URL(s) : | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/144658 Last checked: 01/31/2023 Requires: JavaScript; HTML5 https://wssa.net/wp-content/uploads/WSSA-WSWS-2023-Proceedings.html Last checked: 08/14/2023 Notes: Item is within a single large file; Joint Weed Science Society of America and Northeastern Weed Science Society publication |
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