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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 Universitty, University Park, PA |
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| Title: | Management of scarab white grubs with cruiser, naturalis-t, and oftanol on a low maintenance turfgrass area, 1996 |
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| Source: | Arthropod Management Tests. Vol. 22, 1997, p. 382. |
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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: Insect control; Popillia japonica; Cyclocephala borealis; Phyllophaga; Maladera castanea; Heterorhabditis bacteriophora; Isofenphos; 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 Lewiston, 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/48 ft² or delivering 4 gal/1000 ft². Cruiser was applied with a CO₂ compressed air sprayer with 4 S.S. CO 7F-VS-5 flood jet nozzles mounted on a 6 ft boom, operating at 28 psi, and applied in 726 ml of water/48 ft² or delivering 4 gal/1000 ft². At treatment time (4 Sep) the following soil and environmental conditions existed: air temperature, 81°F; soil temperature at 1 inch depth, 78°F; soil temperature at 2 inch, 72°F; RH, 79.0%; amount of thatch,0.0625 inch; soil textural class, silt loam; soil particle size analysis: % sand, 14.6; % silt, 59.5; % clay, 25.9; organic matter, 3.3%; 28.8% soil moisture (oven dry weight); water pH, 7.0; soil pH, 6.0; application time, late-morning; and overcast skies. Rainfall occurred immediately after treatment. Three ft² sod samples were randomly taken from each replicate, and the total number of scarab white grubs/ft² was recorded on October 7. An average of 6.0 grubs/ft² was recorded on 25 Aug. The post-treatment population of scarab white grubs consisted of 65.8% Japanese beetle, 10.1% Asiatic garden beetle, 20.8% Northern masked chafer, and 3.3% May/June beetle. Japanese beetle gubs sampled on 25 Aug were primarily fir instars. Oftanol 21 was significantly effective in suppressing all scarab white grub species but Crusier did not significantly reduce JB grubs or other grubs alone. 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 cruiser, naturalis-t, and oftanol on a low maintenance turfgrass area, 1996. Arthropod Manage. Tests. 22:p. 382. |
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