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| Web URL(s): | http://www.swss.ws/wp-content/uploads/docs/2012 Proceedings-SWSS.pdf#page=116
Last checked: 08/07/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Author(s): | Straw, C.;
Beck, L. L.;
Cooper, T.;
Henry, G. M. |
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| Author Affiliation: | Texas Tech University, Lubbock, TX |
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| Title: | Preemergence rescuegrass control with indaziflam and flumioxazin in bermudagrass |
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| Section: | Posters
Other records with the "Posters" Section
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| Meeting Info.: | Charleston, South Carolina: January 23-25, 2012 |
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| Source: | 2012 Proceedings, Southern Weed Science Society. Vol. 65, 2012, p. 44. |
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| Publishing Information: | Champaign, Illinois: Southern Weed Science Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Bromus catharticus; Comparisons; Cynodon dactylon; Flumioxazin; Herbicide combinations; Herbicide efficacy; Herbicide evaluation; Indaziflam; Preemergence weed control
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| Abstract/Contents: | "Field experiments were conducted at Lake Ridge Country Club in Lubbock, TX in the summer of 2011 to quantify the efficacy of indaziflam and flumioxazin for the preemergence control of rescuegrass. Studies were located on a common bermudagrass rough with a history of rescuegrass pressure cut to a height of 3.8 cm. Plots measured 1.5 x 1.5 m and were arranged in a randomized complete block design with four replications. The indaziflam trial was applied using a CO2 backpack sprayer equipped with XR8003VS nozzle tips and calibrated to deliver 305 L ha-1 at 276 kPa. Treatments were initiated on September 1, 2011 and consisted of indaziflam at 35, 53, and 70 g ai ha-1; and prodiamine at 546 g ai ha-1. The flumioxazin trial was applied using XR8003VS nozzle tips calibrated to deliver 281 L ha-1 at 221 kPa. Treatments were applied on September 1, October 1, November 1, or December 1, 2011 and consisted of flumioxazin at 0.43 kg ai ha-1 and flumioxazin at 0.43 kg ai ha-1 + metsulfuron at 0.042 kg ai ha-1 (November app. only). Untreated check plots were included in both trials for comparison. Data from each trial were subjected to analysis of variance (ANOVA) and means were separated using Fisher's Protected LSD at the 0.05 significance level. Each trial was analyzed separately. In the indaziflam trial, all treatments exhibited 100% rescuegrass control 1 month after initial treatment (MAIT). Rescuegrass control with indaziflam at 70 g ai ha-1 remained at 100% 3 MAIT, while control with indaziflam at 35 g ai ha-1 decreased to 93% followed by (fb) indaziflam at 53 g ai ha-1 (89%). Prodiamine treatments exhibited 95% rescuegrass control 3 MAIT. In the flumioxazin trial, bermudagrass exhibited 31% and 35% phytotoxicity 2 weeks after applications made in September and October, respectively. Phytotoxicity was reduced (<= 4%) 4 weeks after either application timing. Flumioxazin applications made in November and December only exhibited <= 4% phytotoxicity following either application. Rescuegrass control (12/28/2011) was highest in response to flumioxazin applications made in October (92%) fb September (82%) fb November (54%) fb December (40%). Reduced efficacy of flumioxazin applied in November and December may be due to the fact that rescuegrass had already germinated in mid-October. The tank-mixture of flumioxazin + metsulfuron enhanced control of November applications (83%)." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Straw, C., L. L. Beck, T. Cooper, and G. M. Henry. 2012. Preemergence rescuegrass control with indaziflam and flumioxazin in bermudagrass. South. Weed Sci. Soc. Proc. 65:p. 44. |
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| Web URL(s):
http://www.swss.ws/wp-content/uploads/docs/2012 Proceedings-SWSS.pdf#page=116
Last checked: 08/07/2013
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: b2207931 |
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