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Web URL(s): | https://academic.oup.com/amt/article/25/1/G28/111109/EFFECT-OF-APPLICATION-TIMING-ON-ANNUAL-BLUEGRASS Last checked: 02/17/2017 Requires: PDF Reader Access conditions: Item is within a limited-access website Notes: Guide Page |
Publication Type:
| Report |
Author(s): | Heller, P. R.;
Walker, R.;
Rowan, Mike |
Author Affiliation: | Department of Entomology, Pennsylvania State University |
Title: | Effect of appplication timing on annual bluegrass weevil management with formulations of Deltagard, Dursban, Mach-2, and Merit, 1999 |
Section: | Reports: Ornamentals Other records with the "Reports: Ornamentals" Section
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Source: | Arthropod Management Tests. Vol. 25, 2000, p. 364. |
Publishing Information: | Annapolis, MD: Entomological Society of America |
# of Pages: | 1 |
Keywords: | TIC Keywords: Insecticide evaluation; Pest density; Application rates; Application timing; Poa annua; Poa pratensis; Listronotus maculicollis; Formulations; Deltamethrin; Halofenozide; Imidacloprid; Golf fairways; Insect control; Insecticides
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Abstract/Contents: | "This experiment was conducted on a golf course fairway in Bedford County to assess the perofrmance of four formulations against a natural adult ABW population, while determining the effiacy of late applications of Mach 2 and Merit. The fairway consisted primarily of annual bluegrass (70%) and Kentucky bluegrass (30%). Applications were made when flowering dogwood was in full bloom and adults were recorded from golf course greens. Treatment plots were 5 x 6 ft, arranged in a RCB design and replicated 3 times. Granular formulations were applied with a hand held shaker with top dressing sand added to provide optimum product distribution. At the first treatment time (10 May), the following soil and environmental conditions existed: air temp, 59°F; soil temp at 1 inch depth, 58°F; soil temp at 2 inch depth, 54°F; RH, 44%; amount of thatch, 0.0625-0.125 inch; water pH, 7; percent water content (percent by wt), 26.1%; application time, mid-morning; and clear sunny skies. Each replicate was irrigated immediately after treatment with 0.3 inch of water. At the second treatment time (26 May), the following soil and environmental conditions existed: air temp, 61°F; soil temp at 1 inch depth, 58°F; soil temp at 2 inch depth, 55°F; RH, 54%; amount of thatch, 0.0625-0.125 inch; water pH, 7; percent water content (percent by wt), 29.1%; application time, mid-morning; and clear sunny skies. Each replicate was irrigated immediately after treatment with 0.3 inch of water. General soil conditions observed at the experimental site were as follows: soil textural class, silt loam; soil particle analysis: 27.5% sand, 52.8% silt, 19.6% clay; percent organic matter, 7.3; and soil pH, 6.2. Post-treatment counts were made on 8 Jun. ABW control was evalutated by removing two 4-inch cup cutter sod samples from each replicate and recording the total no. of ABW life stages (larva, pupa) per sample. Totals were then converted to a ft² count. ABW adults were actively observed on golf course fairways, greens, and roughs before treatment. No treatments provided significant control and ABW populations collapsd in select untreated checks on 8 Jun. No phytotoxicity was noted." |
Language: | English |
References: | 0 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Heller, P. R., R. Walker, and M. Rowan. 2000. Effect of appplication timing on annual bluegrass weevil management with formulations of Deltagard, Dursban, Mach-2, and Merit, 1999. Arthropod Manage. Tests. 25:p. 364. |
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| Web URL(s): https://academic.oup.com/amt/article/25/1/G28/111109/EFFECT-OF-APPLICATION-TIMING-ON-ANNUAL-BLUEGRASS Last checked: 02/17/2017 Requires: PDF Reader Access conditions: Item is within a limited-access website Notes: Guide Page |
| MSU catalog number: SB 951 .A1 I48 |
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