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| Web URL(s): | https://scisoc.confex.com/crops/2017am/webprogram/Paper106744.html
Last checked: 10/30/2017 |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Fleetwood, Matthew;
Marvin, Jeffrey W.;
Sanson, Dale R.;
Xiong, Xi |
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| Author Affiliation: | Fleetwood and Xiong: University of Missouri, Columbia, MO; Marvin: PBI-Gordon Corp., Kansas City, MO; Sanson: Formulation Development and Compliance Chemistry, PBI Gordon, Kansas City, MO |
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| Title: | Preemergent control of crabgrass using VexisTM pyrimisulfan and VexisTM with penoxsulam |
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| 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 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2017, p. 106744. |
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| Publishing Information: | [Milwaukee, Wisconsin]: [American Society of Agronomy and the Entomological Society of America] |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Acetolactate synthase-inhibiting herbicides; Crabgrass control; Cynodon dactylon; Festuca arundinacea; Herbicide evaluation; Overseeding; Penoxsulam; Preemergence weed control; Pyrimisulfan
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| Trade Names: | Vexis |
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| Abstract/Contents: | "A new active ingredient, pyrimisulfan, is entering the turf industry under the branded named of VexisTM. Pyrimisulfan is reported to inhibit acetolactate synthase (ALS) in sensitive plants, which inhibits the biosynthesis of the brand-chain amino acids valine, leucine and isoleucine. There are different formulations of VexisTM for use on cool- and warm-season turf, therefore the objectives of this project were to evaluate these VexisTM formlations for their efficacy in control of crabgrass (Digitaria spp.) on bermudagrass (Cynodon dactylon (L.) Pers.) and tall fescue (Festuca arundinacea Screb.) turfs when applied as a preemergence herbicide. Two experiments were conducted on established bermudagrass and tall fescue turf following overseeding with crabgrass seed. Treatments included pyrimisulfan alone or pyrimisulfan plus penoxsulam, another ALS inhibitor, at different rates. Treatments were applied to individual plots measuring 1.5 m x 1.5 m, and arranged in a randomized complete block design with four replications. Granular treatments were applied with shaker bottles, and sprayable treatments were applied using a CO2 pressurized backpack sprayer with Tee Jet XR8004 flat fan nozzles calibrated to 374 L/ha. On bermudagrass, crabgrass coverage reached 15% at 4 weeks after initial treatment (WAIT), while all treated plots, including the granular form of pyrimisulfan-containing treatments, resulted in 5% crabgrass. A similar trend was found 6 WAIT, and no differences were found between pyrimisulfan-containing treatments and the commercial preemergence herbicide, dithiopyr. On tall fescue, similar results were found except one VexisTM premix formulated as a liquid suspension showed minor and temporary discoloration to tall fescue plant following application. More details will be discussed in the presentation." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"804" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fleetwood, M., J. W. Marvin, D. R. Sanson, and X. Xiong. 2017. Preemergent control of crabgrass using VexisTM pyrimisulfan and VexisTM with penoxsulam. Agron. Abr. p. 106744. |
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Last checked: 10/30/2017 |
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