Full TGIF Record # 172089
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Publication Type:
Author(s):Heller, Paul R.; Walker, Robert G.
Author Affiliation:Heller: Professor; Walker: Research Technologist, Entomology, Penn State University
Title:Evaluation to manage annual bluegrass weevil on turfgrass with conventional and experimental formulations in Bedford County, Pennsylvania, 1992
Section:Insect control in turfgrass
Other records with the "Insect control in turfgrass" Section
Source:Turfgrass Research Results. 1992, p. 55-56.
# of Pages:2
Publishing Information:[University Park, PA: Pennsylvania State University, College of Agricultural Sciences, Agronomy Dept., Entomology Dept., Horticulture Dept., Plant Pathology Dept.]
Keywords:TIC Keywords: Listronotus maculicollis; Poa annua; Poa pratensis; Insect control; Insecticide application
Abstract/Contents:"The fairway consisted primarily of annual bluegrass (70%) and Kentucky bluegrass (30%). Treatment plots were 9 X 6 ft, arranged in a RCB design, replicated 4 times. Liquid formulations were applied with a CO2 compressed air sprayer with four 8004VAS TeeJet nozzle mounted on a 6 ft boom, operating at 28 psi, and delivering 5 gal/1000 ft2. At treatment time (11 May), the following soil and environmental conditions existed: air temperature, 68° F; soil temperature at 1 inch depth, 71° F; soil temperature at 2 inch depth, 64° F; RH, 70%; amount of thatch, 0.0625-0.125 inches; soil type, loam silt loam; soil particle size analysis: 38.0% sand, 50.0% silt, 12.0% clay; soil moisture (oven baked), 25.4%; organic matter, 3.7%; water pH, 7.0; soil pH, 5.5; and skies were clear. Immediately after treatment, each replicate was irrigated with 0.0625 inches of water. Posttreatment counts were made 35 d later (15 Jun). Annual bluegrass weevil control was evaluated by removing four 0.087 ft2 sod samples from each replicate, and the total number of annual bluegrass larvae the total number of annual bluegrass larvae were recorded and converted to a ft2 count. Sod samples were removed with a 4 inch cup cutter. Annual bluegrass weevil adults were actively observed on golf course fairways, greens and roughs before treatment. All treatments provided significant control of larvae. No phytotoxicity was noted."
Note:Reprint appears in Insecticide and Acaricide Tests Vol. 18 1993, p. 313
Geographic Terms:Pennsylvania
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Heller, P. R., and R. G. Walker. 1992. Evaluation to manage annual bluegrass weevil on turfgrass with conventional and experimental formulations in Bedford County, Pennsylvania, 1992. Turfgrass Research Results. p. 55-56.
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