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| Web URL(s): | https://scisoc.confex.com/scisoc/2016am/webprogram/Paper100802.html
Last checked: 11/22/2016 |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Elmore, Matthew;
Reynolds, Casey |
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| Author Affiliation: | Elmore: Texas A&M University, Dallas, TX; Reynolds: Soil & Crop Sciences, Texas A&M University, College Station, TX |
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| Title: | Post-emergence rescuegrass (Bromus catharticus) control with various herbicides |
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| Section: | 5 minute rapid - Turfgrass science
Other records with the "5 minute rapid - Turfgrass science" Section
C05 turfgrass science
Other records with the "C05 turfgrass science" Section
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| Meeting Info.: | Phoenix, Arizona: November 6-9, 2016 |
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| Source: | ASA, CSSA and SSSA International Annual Meetings. 2016, p. 100802. |
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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: Application rates; Application timing; Bromus catharticus; Dicamba; Flazasulfuron; Foramsulfuron; Glyphosate; Herbicide evaluation; Iodosulfuron; Metsulfuron methyl; Postemergence weed control; Sulfosulfuron; Trifloxysulfuron
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| Abstract/Contents: | "Rescuegrass (Bromus catharticus) is a problematic winter annual weed. Field research was conducted in 2015 in College Station and in 2015 and 2016 in Dallas, TX to evaluate herbicides for post-emergence rescuegrass control. In 2015, treatments in Dallas and College Station consisted of single applications of foramsulfuron (29 g ha-1), trifloxysulfuron-sodium (28 g ha-1), sulfosulfuron (105 g ha-1), flazasulfuron (53 g ha-1), metsulfuron-methyl (42 g ha-1), thiencarbazone-methyl (23 g ha-1) + iodosulfuron-methyl-sodium (5 g ha-1) + dicamba (150 g ha-1), and glyphosate (280 and 560 g ha-1). Treatments were applied using standard small plot spray equipment and water carrier at 412 L ha-1 in Dallas and 450 L ha-1 in College Station on 17 March 2015 to multi-tiller stage rescuegrass. A second experiment was conducted in Dallas from 2015 to 2016, where, with the exception of glyphosate, the same treatments were applied singly on 15 December 2015 to plants in the 1 to 2-tiller stage and sequentially on 16 March and 7 April 2016 to plants in the multi-tiller stage. In 2015 trials, a single application of trifloxysulfuron-sodium, sulfosulfuron, flazasulfuron, or glyphosate (560 g ha-1) provided > 80% control at 4 weeks after treatment (WAT) in College Station. All other treatments provided = 25% control. In Dallas, trifloxysulfuron-sodium, flazasulfuron, and thiencarbazone-methyl + iodosulfuron-methyl-sodium + dicamba controlled rescuegrass similarly but control was < 55% at 4 WAT. In the 2015-2016 trial conducted in Dallas, sequential applications of trifloxysulfuron-sodium and thiencarbazone-methyl + iodosulfuron-methyl-sodium + dicamba provided 88 and 77% control, respectively. Sequential applications of flazasulfuron and sulfosulfuron provided < 45% control while metsulfuron-methyl and foramsulfuron provided < 5% control. Sequential applications generally provided more control than single applications. When applied singly, no treatment provided > 55% control. Future research should evaluate fall applications of post-emergence herbicides in November while rescuegrass is still in the leaf stage and environmental conditions are conducive for herbicide activity." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only!
"261-9" |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Elmore, M., and C. Reynolds. 2016. Post-emergence rescuegrass (Bromus catharticus) control with various herbicides. Agron. Abr. p. 100802. |
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Last checked: 11/22/2016 |
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