Full TGIF Record # 68305
Item 1 of 1
Publication Type:
i
Report
Author(s):Heng-Moss, T. M.; Weinhold, A. P.; Baxendale, F. P.
Author Affiliation:Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE
Title:Influence of application timing of insecticides on control of southern masked cafer, 1997
Section:Ornamentals
Other records with the "Ornamentals" Section
Source:Arthropod Management Tests. Vol. 23, 1998, p. 333-334.
Publishing Information:Annapolis, MD: Entomological Society of America
# of Pages:2
Keywords:TIC Keywords: Poa pratensis; Cyclocephala lurida; Pest control; Insect control; Grub control; Insecticides; Insecticide evaluation; Pest density; Application rates; Application timing; Formulations; Halofenozide; Imidacloprid; Golf courses; Golf rough
Abstract/Contents:"This study was conducted in Lincoln, NE, on a golf course rough. The turf (50% Kentucky bluegrass and 50% perennial rye) was maintained at a mowing height of 2.0 inches. Thatch accumulation (finger compressed) in the plot area was 0.75 inch. Field conditions at the study site were: soil type, silty clay loam; soil organic matter, 3.5%; soil pH, 6.5; water pH, 7.0. Environmental conditions at the time of application, (17 Jun, and 12 Aug) were as follows: soil moisture 20%, and 22% by wt respectively; air temperature 84°F, and 64°F; soil temperature 65°F, and 66°F; relative humidity 32%, and 88%; wind direction and velocity 245° at 3 mph., and 345° at 7 mph. Plots were 6 x 10 ft and the experimental design was a RCB with 4 replications. Liquid insecticides were applied using a CO₂ sprayer with a TeeJet® 8002 nozzle at 30 psi and delivering 87 gpa. Following applications, plots were irrigated with 0.25 inches of water. Post-treatment precipitation totaled 8.34 inches. Treatments were evaluated 80 days after the first application on 05 Sep by removing from each plot six, 8-inch diam turf-soil cores (2.10 ft² total area) to a depth of 3 inches and counting the number of surviving grubs. The June applications of both formulations of Mach-2 and the numbered compounds. A167C044 and A167C045, and A167C044 and Mach-2 1.5 G applied in August provided statistically significant reductions of southern masked chafers when compared to the untreated control. Except A167C044 and MAch-2 1.5 G at the 1.0 lb rate, all products applied in Aug failed to provide significant reduction of white grub numbers. No phytotoxicity was observed."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Heng-Moss, T. M., A. P. Weinhold, and F. P. Baxendale. 1998. Influence of application timing of insecticides on control of southern masked cafer, 1997. Arthropod Manage. Tests. 23:p. 333-334.
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