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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: | Efficacy of halofenozide and imidacloprid treatments, applied two months prior to oviposition, for suppression of Japanese beetle white grubs, 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. 352. |
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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: Lolium perenne; Popillia japonica; Pest control; Insect control; Grub control; Insecticides; Insecticide evaluation; Pest density; Application rates; Halofenozide; Imidacloprid; Application timing; Formulations
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| Abstract/Contents: | "The turfgrass area located in University Park, PA, consisted primarily of perennial ryegrass (100%). Treatment plots were 8 x 6 ft, arranged in a RCB design and replicated 3 times. Liquid formulations were applied by using a CO₂ sprayer with 4 8002VS TeeJet nozzles mounted on a 6-ft boom, operating at 28 psi, and applied in 727 ml of water/48 ft² or delivering 4 gal/1000 ft². Granular formulations were applied with a hand-held shaker and mixed with fine top dressing sand to facilitate product distribution. Three white PVC cylinders (8-inch diam x 6-inch height) were placed in each replicate and secured in place. Twenty-five adult JB were placed within each cylinder and maintained inside by covering individual cylinders with white shade cloth to allow oviposition by adult females. The cylinders were removed after the death of the beetles. At treatment time (19 May) the following soil and environmental conditions existed: air temperature, 83°F; soil temperature at 1-inch depth, 72°F; soil temperature at 2 inch, 70°F; RH, 65%; amount of thatch, 0.0625-0.5 inch; soil textural class, silty clay loam; soil particle size analysis: 13.5% sand, 48.9% silt, 37.6% clay; organic matter, 5.6%; soil percent water content (percent by weight), 23.0; water pH, 7.0; soil pH, 6.6; treatments were applied in mid-afternoon; and party sunny skies. The experimental area was irrigated with 0.1 inch of water after treatments had dried. The area received extensive post irrigation watering because of the extremely dry weather conditions with 5.5 inches applied from Jul 2 through Jul 17. Additional irrigation was applied on an as needed basis. Post treatment counts were completed on 16 Sep. Three ft² sod samples were randomly taken from each replicate, and the total number of Japanese beetle grubs/ft² was recorded. An average of 6.7 grubs/ft² was recorded on 16 Sep. Japanese beetle grubs sampled on 16 Sep were primarily 3rd instar. All 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. Efficacy of halofenozide and imidacloprid treatments, applied two months prior to oviposition, for suppression of Japanese beetle white grubs, 1997. Arthropod Manage. Tests. 23:p. 352. |
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