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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Baxendale, F. P.;
Weinhold, A. P.;
Ali, M. A. A.;
Gaussoin, R. E. |
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| Author Affiliation: | Department of Entomology and Department of Horticulture, University of Nebraska, NE |
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| Title: | Influence of the wetting agent HM-8902 in combination with three formulations of chlorpyrifos on annual white grub control, 1992 |
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| Source: | Insecticide and Acaricide Tests. Vol. 18, 1993, p. 321-322. |
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| Publishing Information: | Lanham, MD: Entomological Society of America |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Cyclocephala lurida; Ochrosidia dillosa; Insect control; Wetting agents; Poa pratensis; Lolium perenne; Chlorpyrifos
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| Geographic Terms: | Nebraska |
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| Abstract/Contents: | "This study was conducted in Lincoln, NE on a Kentucky bluegrass (50%) and perennial rye (50%) golf course rough. The turf was maintained at a mowing height of 3.8 cm and thatch accumulation (finger compressed) in the plot area was 0.64 to 1.3 cm. Field conditions at the time of application were: air temperature, 34.0 degrees C; soil temperature (10-cm depth), 29.0 C; soil type, silty clay loam; soil organic matter, 3-5%; soil pH, 6.0 to 7.0; water pH, 7.0; soil moisture, near field capacity. Plots were 1.5 X 1.5 m, and the experimental design was a RCB with 4 replications. Insecticide treatments were applied 11 Aug using a CO2 sprayer using a LF-4 nozzle at 165.5 KPa and 18.9 liter spray/93 m2. Immediately following applications the test area was irrigated with approximately 1.3 cm of water. Product efficacy was evaluated 1 Sep (21 DAT) by removing from each plot six 20.3 diam turfsoil cores (0.19 m2 total area) to a depth of 7.5 cm and counting the number of surviving grubs. The southern masked chafer age class distribution at evaluation was 83% second and 17% third instar grubs. All treatments which included the wetting agent HM-8902 provided greater white grub reductions than the corresponding treatment without the wetting agent. FN-5354 applied with HM-8902 provided nearly 90% control. A high degree of variability among plots (CV=94.2) resulted in relatively poor separation of means. No phytotoxicity was observed." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: Wetting Agents |
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| Note: | Table
This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Baxendale, F. P., A. P. Weinhold, M. A. A. Ali, and R. E. Gaussoin. 1993. Influence of the wetting agent HM-8902 in combination with three formulations of chlorpyrifos on annual white grub control, 1992. Arthropod Manage. Tests. 18:p. 321-322. |
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