Full TGIF Record # 53774
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Publication Type:
i
Report
Author(s):Power, K. T.; Niemczyk, H. D.; Belcher, M. G.; Shetlar, D. J.
Author Affiliation:Department of Entomology, Ohio Argricultural Research and Development Center, The Ohio State University, Wooster, Ohio
Title:Influence of application date on the efficacy of insecticides applied for control of Japanese Beetle larvae on a golf course fairway, 1996
Section:Ornamentals
Other records with the "Ornamentals" Section
Source:Arthropod Management Tests. Vol. 22, 1997, p. 366.
Publishing Information:Annapolis, MD: Entomological Society of America
# of Pages:1
Keywords:TIC Keywords: Granules; Application timing; Insecticides; Insect control; Popillia japonica; Golf fairways; Poa pratensis; Poa annua; Experimental products; Imidacloprid; Formulations
Abstract/Contents:"The study was conducted on a fairway at Twin Lakes Golf Course in Ontario, Ohio. Insecticides were applied 6 Jun, 16 Jul, and 13 Aug to plots 10 X 10 ft arranged in a RCB design with four replications. Granular materials were applied with a shaker jar. Liquid treatments were applied using a CO₂ sprayer and Teejet^D]T^D]M XR8006VS nozzles at 29 psi pressure that delivered a volume of 1 gal/1000 ft². On each application date, the area received approximately 1/4 inch post treatment irrigation. Site conditons were as follows: irrigated fairway, five year history of grub infestation, level, 60% Kentucky bluegrass and 40% annual bluegrass, no thatch. Environmental conditions at the 6 Jun treatment were as follows: JB-none present; turf-dry, 1 1/4 inch ht; soil-31.8% moisture, 60°F at 1 inch and 62°F at 3 inch; weather-sun and clouds, 62°F, variable 0-15 mph wind. Environmental conditions at the 16 Jul treatment were as follows: JB-adults present; Turf-dry, 1 1/4 inch ht; soil-25.7% moisture, 68°F at 1 inch and 62°F at 3 inch; weather: cloudy, 72°F, 0-10 mph wind. Environmental conditions at the 13 Aug treatment were as follows: JB-first instars present; turf-dry, 1 1/4 inch ht; soil-22.2% moisture, 70°F at 1 inch and 3 inch; weather-mostly sunny, 75°F, no wind. Evaluation on 1 Oct (116, 76, & 43 DAT) involved counting the number of live larvae in each of six 7 X 7 inch sampling areas per plot. Analysis of variance was done on plot totals and means separated by LSD test at P = 0.05. Results of the Jun application showed that Merit reduced the number of JB larvae 116 DAT relative to the check and other treatments. The Jul applications of Merit and both RH 0345 formulations significantly controlled the grubs at 76 DAT. The F-5268 and F-6911 treatments showed some reductions in larvae but these were not significantly different from either the check or most effective treatment. At 43 DAT, the Aug applications again showed Merit and the RH 0345 treatments to result in significant JB control. The F-5268 and F-6911 treatments had no effect on the larval population. There were no signs of phytotoxicity from any of the treatments."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Power, K. T., H. D. Niemczyk, M. G. Belcher, and D. J. Shetlar. 1997. Influence of application date on the efficacy of insecticides applied for control of Japanese Beetle larvae on a golf course fairway, 1996. Arthropod Manage. Tests. 22:p. 366.
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