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| Publication Type:
| Report |
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| Author(s): | Nixon, Philip L.;
Ratcliffe, Susan T. |
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| Author Affiliation: | Nixon: Department of Natural Resources and Environmental Sciences; Ratcliffe: Department of Entomology, University of Illinois, Urbana, IL |
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| Title: | Control of Japanese beetle larvae with insecticide mixtures, 1997 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 23, 1998, p. 334. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Poa pratensis; Popillia japonica; Pest control; Insect control; Grub control; Insecticides; Insecticide evaluation; Pest density; Application rates; Carbaryl; Chlorpyrifos; Trichlorfon; Tank mix; Golf courses; Golf fairways
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| Abstract/Contents: | "The study was conducted in the short rough alongside a golf course fairway at Urbana Country Club, Urbana, IL. The fairway, short, and long rough consisted of Kentucky bluegrass. A RCB design was used because an outlet for the fairways' irrigation system was directly opposite block 1, resulting in successively lower levels of irrigation and JB infestation from block 1 through 3. Plots were 5 x 10 ft and were arranged in a single row. Insecticide applications were applied in 3 replications on 16 Sep. Liquid applications were applied with a watering can, and the granular application (Dylox) as shaken from a measuring spoon. Insecticides were watered into the soil within 30 minutes after all applications were completed with approximately 1/2 inch irrigation. At the time of application, it was party cloudy, 80°F, 50% relative humidity, and with winds < 10 mph. Soil pH was 6.1 with no thatch and was moist at application and 21 DAT. Grub sampling was conducted with a 6-inch diam sod sampler taking five scattered samples in each plot. All the JB grubs were counted in each 1/5 ft² sample and the numbers were added together in each plot to obtain a ft² measure. An ANOVA was conducted on the data and means separated by LSD test at P = 0.05. Successively reduced irrigation from block 1 through 3 yielded lower JB larval counts that dropped from 32 to 19 to 13 per ft² in untreated check plots. Pooled treatment block means dropped from 10.5 to 6.2 to 4.5 grubs per ft² as individual insecticide-treated plots followed the same pattern except for the Dylox plots. Combinations of Sevin and Dursban have been reported previously as providing higher levels of control than either have separately, possibly due to synergism. This test does not add credence to that suggestion. All of the insecticide treatments reduced JB numbers below damaging levels. The F-value of 4.44 for 5,10 df was significant at P = 0.05. There were no signs of phytotoxicity in any of the treatments." |
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| Language: | English |
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| References: | 0 |
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| Note: | Reprint appears in U. of I. Turfgrass Field Day, 1998, p. 43
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Nixon, P. L., and S. T. Ratcliffe. 1998. Control of Japanese beetle larvae with insecticide mixtures, 1997. Arthropod Manage. Tests. 23:p. 334. |
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