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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: | Management of scarab white grubs with formulations of RH-0345, imidacloprid, and trichlorfon on a low maintenance turfgrass area, 1996 |
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| Source: | Arthropod Management Tests. Vol. 22, 1997, p. 380-381. |
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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: Equipment; Insect control; Popillia japonica; Cyclocephala borealis; Phyllophaga; Maladera castanea; Formulations; Experimental products; Imidacloprid; Trichlorfon; Low maintenance; Fine fescues; Application rates
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| Abstract/Contents: | "The turfgrass area consisted primarily of fine fescue (80%) and weeds (20%) in Lewistown, Pa. Treatment plots were 8 x 6 ft, arranged in a RCB design and replicated 3 times. Liquid formulations were applied with a CO₂ compressed air sprayer with 4 8004VS TeeJet nozzles mounted on a 6 ft boom, operating at 28 psi, and applied in 726 ml of water/48ft² or delivering 4 gal/1000 ft². At treatment time (28 Aug) the following soil and environmental conditions existed: air temperature, 70°F; soil temperature at 1 inch depth, 76°F; soil temperature at 2 inch, 74°F; PH, 94.0%; amount of thatch, 0.125 inches; soil textural class, silt loam; soil particle size analysis: % sand, 25.2%; silt, 59.7%; clay, 15.1; organic matter, 3.8%; 26.2% soil moisture (oven dry weight); water pH 7.0; soil pH 5.8; application time, mid-morning; and skies overcast. Immediately after treatment the experimental area was irrigated with 0.20 inch of water. Post-treatment counts were made on 1 Oct. Three ft² sod samples were randomly taken from each replicate, and the total number of scarab white grubs/ft² was recorded. An average of 6.0 grubs/ft² was recorded on 25 Aug. the post-treatment population of scarab white grub consisted of 41.8% Japanese beetle, 28.7% Asiatic garden beetle, 20.7% Northern masked chafer, and 8.8% May/June beetle. Japanese beetle grubs sampled on 25 Aug were primarily first instars. All the treatments significantly reduced the numbers of Japanese beetle grubs relative to the untreated check. The mixed population of all target species was also significantly reduced by all treatments. But, grubs of the targe species other than Japanese beetle were not controlled by the treatments except by Dylox only. 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. 1997. Management of scarab white grubs with formulations of RH-0345, imidacloprid, and trichlorfon on a low maintenance turfgrass area, 1996. Arthropod Manage. Tests. 22:p. 380-381. |
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