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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 |
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| Title: | Fall control of Japanese beetle grubs with Merit on a golf course fairway in State College, Pennsylvania, 1995 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 21, 1996, p. 340. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Abstract/Contents: | "The fairway consisted primarily of annual bluegrass (50%), Kentucky bluegrass (25%), and perennial ryegrass (25%). Treatment plots were 9 x 6 ft, arranged in a RCB design, replicated 3 times. Liquid formulations were applied with a CO₂ compressed air sprayer with four 8004VS TeeJet nozzles mounted on 6 ft boom, operating at 28 psi, and applied in 1021 ml/54 ft² of water or delivering 5 gal water/1,000 ft². Granular treatments were applied with a fine grade top-dressing sand to facilitate product distribution. At treatment time (20 Jul) the following soil and environmental conditions existed: air temperature, 66°F; soil temperature at 1 inch depth, 76°F; soil temperature at 2 inch, 68°F; RH, 60%; amount of thatch, 0.25-0.5 inches; soil textural class, loam; soil particle size analysis: 28.5% sand, 56.5% silt, 15.0% clay; organic matter, 6.8%; soil moisture (oven dry weight), 34.7%; water pH, 7.0; soil pH, 5.7; application time, early-morning; and clear skies. Immediately after treatment the experimental area was irrigated with 0.2 inch of water followed by 0.2 inch of rainfall. Posttreatment counts were made 69 d later (27 Sep). Three ft² sod samples were randomly taken from each replicate, and the total number of Japanese beetle grubs ftd]2 was recorded. The experimental area previously had been infested in 1994 with Japanese beetle grubs. No treatments provided significant control, and 1995 grub populations failed to reach economic injury levels. 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. 1996. Fall control of Japanese beetle grubs with Merit on a golf course fairway in State College, Pennsylvania, 1995. Arthropod Manage. Tests. 21:p. 340. |
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