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| Web URL(s): | https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143691
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Wang, Julie;
Begitschke, Erick;
Tucker, Kevin;
Henry, Gerald M. |
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| Author Affiliation: | Wang: Presenting Author and University of Georgia-Athens; Begitschke, Tucker, and Henry: University of Georgia-Athens |
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| Title: | Tuber production and viability of yellow nutsedge in response to postemergence herbicides |
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| Section: | Turfgrass Pest Management Poster: Diseases, Insects, Weeds II
Other records with the "Turfgrass Pest Management Poster: Diseases, Insects, Weeds II" Section
C05 turfgrass science
Other records with the "C05 turfgrass science" Section
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| Meeting Info.: | Baltimore, Maryland: November 6-9, 2022 |
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| Source: | ASA, CSSA, SSSA International Annual Meeting. 2022, p. 143691. |
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| Publishing Information: | [Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America] |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Yellow nutsedge (Cyperus esculentus L.) is one of the most problematic turfgrass weeds due to its fast growth rate and high tuber production. Effective long-term control relies on translocation of systemic herbicides to underground tubers. Research was conducted at the Athens Turfgrass Research and Education Center in Athens, GA in 2022 to evaluate postemergence herbicides on tuber production and viability. Tubers were planted into 1 L pots containing a 2:1 mixture of Cecil clay loam soil and Wakulla sand. Plants matured in the greenhouse for 6 weeks before initial herbicide treatments were applied on 13 Jan. 2022 with sequential applications made 4 Feb. 2022. Pots were arranged in a randomized complete block design with five replications. Treatments included pyrimisulfan (Vexis) at 73 g ai ha-1 once or 49 g ai ha-1 twice, imazosulfuron (Celero) at 736 g ai ha-1 once or 420 g ai ha-1 twice, sulfentrazone + carfentrazone (Dismiss NXT) at 220 g ai ha-1 once or 141 g ai ha-1 twice, and halosulfuron (Sedgehammer +) at 70 kg ai ha-1 once or 35 kg ai ha-1 twice. A non-ionic surfactant was added to Celero at 0.25% v/v. At 8 and 11 weeks after initial treatment (WAIT), shoot dry biomass (g), tuber dry biomass (g), tuber number, and tuber viability (%) were measured. Dismiss NXT exhibited the quickest phytotoxicity. Two applications of Celero resulted in the greatest reduction in tuber number (81%) and tuber weight (85%), while one application of Dismiss NXT resulted in the greatest reduction in shoot biomass (71%). Viability of tubers that were recovered from each pot were reduced 48 to 70%, with the greatest reduction in response to Dismiss NXT. Although two applications of Vexis only resulted in tuber number and shoot biomass reductions of 66% and 38%, respectively, tuber weight reduction was 80%." |
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| Language: | English |
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| References: | 0 |
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| Note: | Reprint appears in Golf Course Management, 91(6) June 2023, p. 67
This item is an abstract only!
"499" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wang, J., E. Begitschke, K. Tucker, and G. M. Henry. 2022. Tuber production and viability of yellow nutsedge in response to postemergence herbicides. Agron. Abr. p. 143691. |
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| Web URL(s):
https://scisoc.confex.com/scisoc/2022am/meetingapp.cgi/Paper/143691
Last checked: 01/24/2023
Requires: JavaScript; HTML5
https://lsc-pagepro.mydigitalpublication.com/publication/?m=61389&i=792049&p=70&ver=html5
Last checked: 06/30/2023
Notes: Item is within a single large file; Golf Course Management reprint
https://cdn.coverstand.com/61389/792049/3aee2c543ac96f10bc48bdd597b7c9277a539182.1.pdf#page=71
Last checked: 06/30/2023
Requires: PDF Reader
Notes: Item is within a single large file; Golf Course Management reprint |
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