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| Publication Type:
| Report |
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| Author(s): | Heller, P. R.;
Walker, R. |
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| Author Affiliation: | Department of Entomology, Pennsylvania State University, University Park, PA |
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| Title: | Annual bluegrass weevil management on a golf course fairway with chlorpyrifos and befenthrin formulations, 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. 329. |
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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 annua; Poa pratensis; Listronotus maculicollis; Pest control; Insect control; Insecticides; Insecticide evaluation; Pest density; Application rates; Golf courses; Golf fairways; Chlorpyrifos; Bifenthrin; Formulations; Growth stages
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| Abstract/Contents: | "The fairway located in Bedford County, PA, consisted primarily of annual bluegrass (70%) and Kentucky bluegrass (30%). Applications were made when flowering dogwood was in full bloom. Treatment plots were 6 x 5 ft, arranged in a RCB design and replicated 5 times. Granular formulations were applied with a hand-held shaker with top-dressing sand used to provide even distribution of product. Liquid formulations were applied with a CO₂ compressed-air sprayer with four 8002VS TeeJet nozzles mounted on a 6-ft boom, operating at 28 psi, and applied in 227 ml of water/30 ft² or delivering 2 gal water/1,000 ft². At treatment time (2 May), the following soil and environmental conditions existed: air temperature, 61°F; soil temperature at 1-inch depth, 54°F; soil temperature at 2-inch depth, 64°F; RH, 45%; amount of thatch 0.125-0.25 inches; soil textural class, clay loam; soil particle size analysis: 21.2% sand, 43.8% silt, 35.0% clay; soil percent water content (percent by weight), 42.8%; organic matter, 11.1%; soil ph, 6.1; water pH, 7; application time, mid-morning; and clear skies. The experimental area was irrigated with 0.1 in of water immediately after treatment. A total of 9.83 inches of rainfall was recorded from 2 May through 30 Jun. Post-treatment counts were made on 30 Jun. Annual bluegrass weevil control was evaluated by removing two 4-inch cup cutter sod samples from each replicate and recording the total number of annual bluegrass weevil life stages (larva, pupa, adult) per sample. Totals were then converted to a ft² count. Annual bluegrass weevil adults were actively observed on golf course fairways, greens, and roughs before treatment. Six treatments provided significant control. No phytotoxicity was noted." |
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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):
Heller, P. R., and R. Walker. 1998. Annual bluegrass weevil management on a golf course fairway with chlorpyrifos and befenthrin formulations, 1997. Arthropod Manage. Tests. 23:p. 329. |
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