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| Publication Type:
| Report |
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| Author(s): | Baxendale, F. P.;
Weinhold, A. P.;
Weinhold, K. A. |
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| Author Affiliation: | Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE |
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| Title: | Influence of Post-Application Irrigation on control of annual white grubs on a golf course fairway, 1996. |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 22, 1997, p. 355. |
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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: Irrigation scheduling; Insect control; Cyclocephala lurida; Golf fairways; Poa pratensis; Experimental products; Imidacloprid; Application timing; Formulations
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| Abstract/Contents: | "This study was conducted in Lincoln, NE on a golf course fairway. The turf (20% Kentucky bluegrass and 80% perennial rye) was maintained at a mowing height of 11/16 inch. Thatch accumulation (finger compressed) in the plot area was 0.375 to 0.50 inch. Field conditions at the study site were: soil type, silty clay loam; soil organic matter, 4%; soil pH, 6.2; water pH, 7.0. Environmental conditions at the time of application were as follows: soil moisture 12% by wt.; air temperature 72°F; soil temperature 72°F; relative humidity 43%; wind direction and velocity 6° at 7 mph. Plots were 6 X 10 ft and the experimental design was a RCB with 3 replications. Insecticides were applied on 9 Jul and twice on 11 Jul. Liquids were applied using a CO₂ sprayer with a TeeJet® 8002 nozzle at 30 psi and delivering 2 gal/1000 square feet. A pre-calibrated Gandy 24H12 drop spreader was used to apply granular insecticides. Post-application irrigations were applied as follows: 09 Jul application, none; 11 Jul, first application, 0.35 inch; 11 Jul, second application with syringe, approximately 0.125 inch. Normal irrigation was resumed after 48 h. Precipitation between application and evaluation totaled 11.3 inches. Treatments were evaluated 57 DAT on 4 Sep by removing from each plot three, 8-inch diam turf-soil cores (1.05 ft₂ total area) to a depth of 3 inches and counting the number of surviving grubs. Insecticides were applied prior to the onset of masked chafer oviposition. All treatments provided statistically significant reductions in white grub numbers and reduced the SMC infestation below the Nebraska threshold level of 8-10 grubs/square foot. No phytotoxicity was observed." |
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| Language: | English |
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| References: | 0 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Baxendale, F. P., A. P. Weinhold, and K. A. Weinhold. 1997. Influence of Post-Application Irrigation on control of annual white grubs on a golf course fairway, 1996.. Arthropod Manage. Tests. 22:p. 355. |
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