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DOI: | 10.4182/amt.2009.G6 |
Web URL(s): | https://www.plantmanagementnetwork.org/sub/trial/AMT34/PDF/G/G6.pdf Last checked: 11/11/2016 Requires: PDF Reader |
Publication Type:
| Report |
Author(s): | Royer, T. A.;
Walker, N. R.;
Rebek, E. J. |
Author Affiliation: | Royer: Oklahoma State University, Dept. of Entomology and Plant Pathology, Stillwater, OK |
Title: | Evaluation of early and late applications of DPX E2Y45 (Chlorantraniliprole) for control of white grubs in bermudagrass turf in Oklahoma, 2007 |
Section: | Bermudagrass Other records with the "Bermudagrass" Section
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Source: | Arthropod Management Tests. Vol. 34, 2009, p. G6. |
Publishing Information: | Annapolis, MD: Entomological Society of America |
# of Pages: | 1 |
Keywords: | TIC Keywords: Application timing; Chlorantraniliprole; Cyclocephala lurida; Cynodon dactylon x Cynodon transvaalensis; Insecticide efficacy; Insecticide evaluation; Phyllophaga; White grub control
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Cultivar Names: | Midlawn |
Trade Names: | DPX E2Y45 |
Geographic Terms: | Oklahoma |
Abstract/Contents: | "This study was conducted in summer 2007 to evaluate early and late applications of DPX E2Y45 (chlorantraniliprole) for control of white grubs in bermudagrass turf. Treatments were applied to a bermudagrass fairway located at a demonstration golf course at the Oklahoma State University Oklahoma City campus. Plots were 6 Œ 8 ft (48 ft2) and mowed at 0.5 inch and irrigated as needed. Treatments consisted of three rates of DPX E2Y45 1.67 SC applied early (13 Jun) and late (11 Jul) that were compared to an early and late application of Merit 0.75G as standard white grub treatments. All treatments were compared against a non-treated control group and replicated four times in a randomized complete block design. Granular treatments were applied by hand evenly across plots and liquid treatments were applied with a CO2 pressurized (18 psi) wheelbarrow sprayer equipped with four TX8008 flat fan nozzles and calibrated to deliver 2.0 gal/1000 ft2. All plots were irrigated with approximately 0.25 inch of water following insecticide application. Grub populations were determined on 11 Oct by sampling 9 ft2 lengthwise at the center of each plot using a mechanical sod cutter measuring 1.5 ft wide and set at a depth of 2 inch. The turf and soil from each plot were examined to determine the number of white grubs. All data were log(x+1) transformed and analyzed using ANOVA (SAS 9.1, PROC GLM). White grub densities ranged from 1 to 27 grubs per yd2 in the experiment. All treatments led to reductions in white grub densities with the exception of the early application of Merit and the late application of DPX E2Y45 at 0.104 lb AI/acre. Phytotoxicity was not observed during the growing season for all treatments." |
Language: | English |
References: | 0 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Royer, T. A., N. R. Walker, and E. J. Rebek. 2009. Evaluation of early and late applications of DPX E2Y45 (Chlorantraniliprole) for control of white grubs in bermudagrass turf in Oklahoma, 2007. Arthropod Manage. Tests. 34:p. G6. |
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| DOI: 10.4182/amt.2009.G6 |
| Web URL(s): https://www.plantmanagementnetwork.org/sub/trial/AMT34/PDF/G/G6.pdf Last checked: 11/11/2016 Requires: PDF Reader |
| MSU catalog number: SB 951 .A1 I48 |
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