Full TGIF Record # 172524
Item 1 of 1
Publication Type:
i
Report
Author(s):Heller, Paul R.; Walker, Robert G.
Author Affiliation:Heller: Professor; Walker: Research Technologist, Entomology, Penn State University
Title:Preventive management time studies of Japanese beetle grubs with bioneem on a golf course fairway in Lewistown, Pennsylvania, 1992
Source:Turfgrass Research Results. 1992, p. 75-76.
# 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: Popillia japonica; Poa annua; Poa pratensis; Azadirachtin; Insect control; Preventive control
Abstract/Contents:"The fairway consisted primarily of annual bluegrass (40%), Kentucky bluegrass (40%), and perennial ryegrass (20%). Treatment plots were 4 x 4 ft, arranged in a randomized complete block and replicated 4 times. Liquid formulations were applied with a CO2 compresses air sprayer with 2 8004VS TeeJet nozzles mounted on a 4 ft boom, operating at 28 psi. 800 ml of mixed solution were applied to each replicate unless otherwise noted in a data table. Treatment application were completed on four dates as follows: 5 Aug (air temp, 80° F; soil temp at 1 inch depth, 74° F, soil temp at 2 inch depth, 72° F; % RH, 65; amount of thatch, 0.125-0.25; soil type, loam; soil particle analysis: 40.0% sand, 47.1% silt, 12.9% clay; organic matter, 5.0%; soil moisture (oven baked), 21.5%; water pH, 7.0; pH, 4.6; and cloudy skies), 10Aug (air temp, 90° F; soil temp at 1 inch depth, 80° F; soil temp at 2 inch depth, 82° F; % RH, 60; amount of thatch, 0.125-0.25; soil type, loam; soil particle analysis: 36.5% sand, 48.6% silt, 14.9% clay; organic matter, 2.6%; soil moisture (oven baked), 11.9%; water pH, 7.0; soil pH, 4.9; and clear skies), 20 Aug (air temp, 66° F; soil temp at 1 inch depth, 66° F; soil temp at 2 inch depth, 66° F; %RH, 100; amount of thatch, 0.125-0.25; soil type, loam; soil particle analysis: 40.0% sand, 48.0% silt, 12.0% clay; organic matter, 4.5%; soil moisture (oven baked), 18.8%; water pH, 7.0; soil pH, 4.7; and cloudy skies), and 24 Aug (air temp, 84° F; soil temp at 1 inch depth, 72° f; soil temp at 2 inch depth, 72° F; % RH 80; amount of thatch, 0.125-0.25; soil type, loam; soil particle analysis: 42.0% sand, 47.6% silt, 10.4% clay; organic matter, 5.0%; soil moisture (oven baked), 16.3%; water pH, 7.0; soil pH, 4.7; and clear skies). Immediately after treatment only Turcam 76W replicates were irrigated with 0.25 inches of water. Posttreatment counts were completed between 22- 24 Sept. Two ft2 sod samples were randomly taken from each replicated, and the total number of Japanese beetle grubs ft2 was recorded. Turcam 76W provided significant white grub reduction with exception to the 5 Aug treatment. Bioneem only provided significant white grub reduction when applied on 24 Aug. No phytotoxicity was noted."
Language:English
References:0
Note:Reprint appears in Insecticide and Acaricide Tests, Vol. 18 1993, p. 314
Tables
Geographic Terms:Pennsylvania
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Heller, P. R., and R. G. Walker. 1992. Preventive management time studies of Japanese beetle grubs with bioneem on a golf course fairway in Lewistown, Pennsylvania, 1992. Turfgrass Research Results. p. 75-76.
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