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| Publication Type:
| Report |
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| Author(s): | Shetlar, D. J.;
Belcher, M.;
Niemczyk, H. D.;
Richmond, D. S. |
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| Author Affiliation: | Department of Entomology, The Ohio State University, Ohio Agricultural Research & Development Center, Wooster, OH |
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| Title: | Black cutworm and sod webworm larval control with biologicals on creeping bentgrass, 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. 351-352. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Larva; Agrotis ipsilon; Crambinae; Pyralidae; Insect control; Biological control organisms; Agrostis stolonifera; Entomopathogenic nematodes; Bacillus thuringiensis; Steinernema; Heterorhabditis; Chlorpyrifos
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| Abstract/Contents: | "The study was located on the Ohio State University Turfgrass Research Facility in Columbus, OH. Insectisides were applied on 5 Aug to plots 4 X 6 ft arranged in a RCB, replicated 4 times with the replicates separated by 2 ft. Spray treatments were applied using a CO² sprayer with TeeJet™ 8006VS nozzles at 26 psi pressure that delivered a volume of 2.0 gal/1000 ft₂. Entomopathogenic nematodes were applied by placing the desired amount of infective juveniles per plot into a sprinkling can with 2.0 gal of water. Sprays were not irrigated after application but the nematode treatments received ¼-inch of irrigation immediately after application. Environmental conditions at the time of treatment were as follows. Turf: level, moderately dense, ½-inch height, surface dry. Thatch: none to ¼-inch. Soil: moist, 90°F at 1.0 inch,88°F at 3.0 inch, clay loam. Weather: partly cloudy, 90°F, 2-5 mph wind. Evaluation on 12 Aug (7 DAT) was based on the number of BCW and SWW larvae flushed to the surface in a 1.0 yd₂ area using a soap irritant drench of 15 ml Joy™ dishwashing detergent in 2.0 gal water. BCW and SWW population densities were significantly reduced, relative to the untreated check, by all treatments except Cruiser. The Bt-based product, Condor, provided control equal to that by standard insectisides. The steinernematid nematode product, Savior, was superior to the heterorhabditid nematode product, Cruiser. Slight yellowing of the bentgrass was noted in Dursban Turf 4EC treated plots at 7 DAT but not at 14 DAT." |
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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):
Shetlar, D. J., M. Belcher, H. D. Niemczyk, and D. S. Richmond. 1997. Black cutworm and sod webworm larval control with biologicals on creeping bentgrass, 1996.. Arthropod Manage. Tests. 22:p. 351-352. |
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