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Web URL(s): | https://scisoc.confex.com/crops/2017am/webprogram/Paper105917.html Last checked: 10/11/2017 |
Publication Type:
| Report |
Content Type: | Abstract or Summary only |
Author(s): | Bowling, Will Jackson;
Tucker, Kevin;
Henry, Gerald M. |
Author Affiliation: | Bowling and Henry: University of Georgia-Athens, Athens, GA; Tucker: Crop and Soil Sciences, University of Georgia-Athens, Athens, GA |
Title: | Postemergence control of Carolina dichondra in hybrid bermudagrass |
Section: | C05 Turfgrass Science Other records with the "C05 Turfgrass Science" Section
Turf management: Pests poster (includes student competition) Other records with the "Turf management: Pests poster (includes student competition)" Section
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Meeting Info.: | Tampa, Florida: October 22-25, 2017 |
Source: | ASA, CSSA and SSSA International Annual Meetings. 2017, p. 105917. |
Publishing Information: | [Milwaukee, Wisconsin]: [American Society of Agronomy and the Entomological Society of America] |
# of Pages: | 1 |
Keywords: | TIC Keywords: 2,4-D + Dicamba + Mecoprop + Sulfentrazone; 2,4-D + Mecoprop + Dicamba; Cynodon dactylon x Cynodon transvaalensis; Dichondra; Herbicide efficacy; Herbicide evaluation; Hybrid bermudagrasses; Postemergence weed control; Research plots; Thiencarbazone + iodosulfuron + dicamba
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Cultivar Names: | TifTuf |
Trade Names: | Negate; EH1587; EH1580; Surge; Celsius; Triplet |
Abstract/Contents: | "Field experiments were conducted in Athens, GA during the summer of 2016 on TifTuf hybrid bermudagrass (5.1 cm) with a mature infestation of Carolina dichondra. Plots measuring 1.5 x 1.5 m were arranged in a randomized complete block with four replications. Herbicide treatments were initiated on July 12, 2016 with a sequential application made on August 17, 2016. Treatments consisted of EH1587 (halauxifen-methyl + fluroxypyr + dicamba) at 0.31 kg ai ha-1, EH1580 (penoxsulam + pyrimisulfan fertilizer carrier) at 0.09 kg ai ha-1, Surge (sulfentrazone + 2,4-D + MCPP + dicamba) at 0.99 kg ai ha-1, 4-Speed XT (2,4-D + triclopyr + dicamba + pyraflufen) at 1.4 kg ai ha-1, Celsius (thiencarbazone + iodosulfuron + dicamba) at 0.18 kg ai ha-1, Triplet (2,4-D + MCPP + dicamba) at 1.58 kg ai ha-1, and Negate (rimsulfuron + metsulfuron) at 0.04 kg ai ha-1. An untreated check was included for comparison. Herbicides were applied with a CO2 powered backpack sprayer calibrated to deliver 187 L ha-1 at 241 kPa. Visual ratings of % Carolina dichondra control were recorded at 2, 5, and 10 weeks after initial treatment (WAIT). Plots averaged approximately 60% Carolina dichondra cover at the trial start. Initial Carolina dichondra control (2 WAIT) was greatest in response to 4-Speed XT (83%), Triplet (78%), and Surge (72%). All other treatments resulted in ā¤ 33% control 2 WAIT. Triplet, 4-Speed XT, Surge, and Celsius applications resulted in 96% to 100% Carolina dichondra control 5 WAIT. Control in response to EH1587 and EH1580 was 71% and 58%, respectively, while control with Negate was only 24% 5 WAIT. Surge, Triplet, 4-Speed XT, and Celsius maintained excellent control (96% to 100%) 10 WAIT. Control with EH1587 and EH1580 increased to 82% and 72%, respectively, while control with Negate was reduced to 19% 10 WAIT." |
Language: | English |
References: | 0 |
Note: | This item is an abstract only! "719" |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Bowling, W. J., K. Tucker, and G. M. Henry. 2017. Postemergence control of Carolina dichondra in hybrid bermudagrass. Agron. Abr. p. 105917. |
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