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| Publication Type:
| Report |
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| Author(s): | Weinhold, A. P.;
Baxendale, F. P.;
Heng-Moss, T. M. |
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| Author Affiliation: | Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE |
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| Title: | Early season control of bluegrass billbugs on a Kentucky bluegrass lawn in Saunders CO., Nebraska, 1995 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 21, 1996, p. 354. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Abstract/Contents: | "Insecticides 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, Nebraska. The turf (98% Kentucky bluegrass, 2% tall fescue) was maintained at a mowing height of 3 inches. Thatch accumulation (finger compressed) in the plot area was 0.75 to 1.0 inches. Field conditions at the study site were: soil type, silty clay loam; soil organic matter, 3-5%; soil pH, 6.7; water pH, 7.0. Environmental conditions at the time of application were as follows: soil moisture 17%; air temperature 67°F; soil temperature 63°F; relative humidity 48%; wind direction and velocity 107° at 7 mph. Plots were 6 x 6 ft and the experimental design was a RCB with 4 replications. Treatments were applied 25 May 1995. Granular insecticides were applied with a pre-calibrated 24H12 Gandy spreader. Liquid insecticdes were applied using a CO₂ sprayer with an LF-4 nozzle at 30 psi and delivering 2 gal finished spray/1000 ft². Following applications, plots were irrigated with 0.5 inches of water. A total of 3.13 inches of rain fell during the post treatment period. Treatments were evaluated 48 DAT (13 Jul) by removing from each plot three, 8-inch diam turf-soil cores (1.05 ft² total area) to a depth of 3 inches and counting the number of surviving billbug larvae and pupae. Approximately 25% of billbug oviposition had been completed at the time of application. Except for Dursban Turf at the 2.0 rate, all treatments provided statistically significant billbug reductions when compared to the untreated control. Merit, Triumph, and Bifenthrin 1EC at the 0.05 rate provided greater than 80% control." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Original version appears in 1995 Turfgrass Research Report [Nebraska], 1995, p. 21, R=257007. R=257007 |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Weinhold, A. P., F. P. Baxendale, and T. M. Heng-Moss. 1996. Early season control of bluegrass billbugs on a Kentucky bluegrass lawn in Saunders CO., Nebraska, 1995. Arthropod Manage. Tests. 21:p. 354. |
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