Full TGIF Record # 34052
Item 1 of 1
Publication Type:
i
Report
Author(s):Baxendale, F. P.; Riordan, T. P.; Johnson-Cicalese, J. M.; Westerholt, S. R.
Author Affiliation:Department of Entomology; Department of Horticulture, University of Nebraska, Lincoln, Nebraska
Title:Control of bluegrass billbug larvae on a Kentucky bluegrass lawn in Saunders Co., NB, 1993
Source:Arthropod Management Tests. Vol. 19, 1994, p. 318.
Publishing Information:Annapolis, MD: Entomological Society of America
# of Pages:1
Keywords:TIC Keywords: Poa pratensis; Sphenophorus parvulus; Insect control; Insecticide evaluation; Isazophos; Fonofos; Imidacloprid; Biological insecticides; Nematoda; Entomopathogenic nematodes
Abstract/Contents:"Conventional insecticides and entomopathogenic nematodes were evaluated for control of bluegrass billbug larvae on a Kentucky bluegrass lawn at the University of Nebraska Agricultural Research and Development Center near Mead, NB. The turf (100% Kentucky bluegrass) was maintained at a mowing height of 1.5 inches and thatch accumulation in the plot area was 0.75 inches (finger compressed, 0.50 inches). Field conditions at the time of application were: soil type, silty clay loam; soil organic matter, 3-5%; soil pH, 6.2-6.6; water pH, 7.0; soil moisture, near field capacity. Plots were 8 x 8 ft and the experimental design was a RCB with three replications. Liquid insecticides were applied 7 Jul. Granular insecticide treatments were applied with a precalibrated Gandy 24H12 spreader. Liquid insecticides and nematodes were applied using a Co2 sprayer with a LF-4 tip at 24 psi and delivering 4 gal finished spray/1000 ft2. The test area was irrigated with approximately 0.5 inches of water immediately following applications. A total of 3.88 inches of rain fell during the post-treatment period. Product efficacy was evaluated 21 Jul (14 DAT) by removing six 8-inch diam turf-soil cores (2.1 ft2 total area) to a depth of 3 inches and counting the surviving larvae. Pretreatment counts indicated 10-15 early to mid-instar billbug larvae per square foot. All treatments resulted in statistically significant reductions in billbug larval numbers when compared to the untreated check. All products except Mainstay 2G applied at the 2.0 lb rate provided greater than 80% billbug control. No phytotoxocity was observed."
Language:English
References:0
Note:Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Baxendale, F. P., T. P. Riordan, J. M. Johnson-Cicalese, and S. R. Westerholt. 1994. Control of bluegrass billbug larvae on a Kentucky bluegrass lawn in Saunders Co., NB, 1993. Arthropod Manage. Tests. 19:p. 318.
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