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| Web URL(s): | https://academic.oup.com/amt/article/25/1/G65/111694/EVALUATION-OF-CONVENTIONAL-FORMULATIONS-FOR
Last checked: 02/23/2017
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| Publication Type:
| Report |
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| Author(s): | Heller, P. R.;
Walker, R.;
Rowan, M. |
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| Author Affiliation: | Department of Entomology, Pennsylvania State University, University Park, PA |
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| Title: | Evaluation of conventional formulations for curative and residual suppression of white grubs, 1999 |
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| Section: | Reports: Ornamentals
Other records with the "Reports: Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 25, 2000, p. 389-390. |
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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: Insecticide evaluation; Pest density; Application rates; Lolium perenne; Popillia japonica; Formulations; Suppression; Grub control; Chlorpyrifos; Diazinon; Imidacloprid; Insecticides; Insect control
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| Abstract/Contents: | "This evaluation was established to acquire data on early summer and fall suppression of white grubs on a turfgrass area located at Penn State's Valentine Turfgrass Research Center at University Park. The turfgrass area consisted of perennial ryegrass (100%). Treatment plots were 9 x 6 ft, arranged in a RCB design and replicated three times. Granular formulations were applied with a hand-held shaker and mixed with fine top dressing sand to facilitate product distibution. At the first treatment time (3 Aug), the followng soil and environmental conditions existed: air temp, 62°F; soil temp at 1 inch depth, 72°F, soil temp at 2 inch, 70°F; RH, 89%; amt of thatch, 0.125 inch; soil textural class, silt loam; soil particle size analysis: 15.2% sand, 62.0% silt, 22.8% clay; organic matter, 4.8%; soil percent water content (percent by wt), 14.6; soil pH, 6.4; treatments were applied in early-morning; and sunny skies. At the second treatment time, (13 Sep) the following soil and environmental conditions existed: air temp, 73°F; soil temp at 1 inch depth, 66°F; soil temp at 2 inch, 64°F; RH, 65%; amt of thatch. 0.125 inch; soil textural class, silt loam; soil particle size analysis: 15.2% sand, 62.0% silt, 22.8% clay; organic matter, 4.8%; soil percent water content (percent by wt), 16.1; soil pH, 6.4; treatments were applied in mid-morning; and partly sunny skies. Treatments were irrigated with 0.5 inch of water immediately after treatment on 3 Aug and 13 Sep. The experimental area was irrigated as and when needed throughout the summer because of severe drought conditions. Three white PVC cylinders (8 inch x 6 inch height) were placed in each replicate and 25 JB adults were released inside each cylinder on two separate release dates: 20 Jul (60% females) and 26 Jul (70% females). Adult beetles were maintained inside by covering individual cylinders with white shade screen. The latter procedure allowed for oviposition by adult female beetles. All PVC cylinders were removed on 2 Aug. Post-treatment counts were completed on 5 Oct. Three ft² sod samples were randomly taken from each replicate, and the total number of whit grubs/ft² was recorded. During the fall of 1998 the experimental turfgrass area was infested with Japanese beetle grubs with an avg of 12.8 grubs recorded per ft². At the time of the second application (13 Sep), third instar JB grubs were present. All treatments provided significant reduction of JB on 5 Oct. 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., R. Walker, and M. Roawn. 2000. Evaluation of conventional formulations for curative and residual suppression of white grubs, 1999. Arthropod Manage. Tests. 25:p. 389-390. |
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| Web URL(s):
https://academic.oup.com/amt/article/25/1/G65/111694/EVALUATION-OF-CONVENTIONAL-FORMULATIONS-FOR
Last checked: 02/23/2017
Requires: PDF Reader
Access conditions: Item is within a limited-access website
Notes: Guide Page |
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MSU catalog number: SB 951 .A1 I48 |
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