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| Web URL(s): | https://academic.oup.com/amt/article/24/1/G53/205485/HIGH-PRESSURE-INJECTION-OF-LIQUID-INSECTICIDES-FOR
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
Notes: Guide Page |
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| Publication Type:
| Report |
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| Author(s): | Weinhold, A. P.;
Baxendale, F. P.;
Grisso, R. D. |
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| Author Affiliation: | Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE |
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| Title: | High pressure injection of liquid insecticides for control of masked chafer larvae, 1998 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 24, 1999, p. 363. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Pest control; Insect control; White grub control; Insecticides; Insecticide evaluation; Application rates; Pesticide application; Pest density; Formulations; Comparisons; Golf rough; Golf courses; Golf fairways; Cyclocephala lurida; White grubs; Poa pratensis; Lolium perenne; Blends; Application frequency; Halofenozide; Isofenphos; Lambda-cyhalothrin
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| Abstract/Contents: | "This study was conducted in Lincoln, NE on two golf courses. The turf at both sites consisted of a blend of 50% Kentucky bluegrass and 50% perennial rye. The turf was maintained at a mowing height of 2.5 inches (rough) and 5/8 inches (fairway) at sites 1 and 2, respectively. Thatch accumulations (finger compressed) at both sites were 0.5 to 0.75 inches. Field conditions at both the study sites were: soil type, silty clay loam; soil organic matter, 4%; soil pH, 6.2; water pH, 7.0. Environmental conditions at the time of application for sites 1 and 2 were as follows: soil moisture by wt, 20% and 17% respectively; air temperature 79°F and 80°F; soil temperature 80°F and 80°F; relative humidity 62% and 70%; wind direction and velocity 136° at 5 mph and 116° at 3 mph. Plots were 4 ft X 4 ft and the experimental design was a RCB with six replications at each site. Applications were made on 12 Aug at site 1 and on 13 Aug 1998 at site 2 using a John Deere RZI 700 high pressure liquid injection system. Injections were conducted at a linear speed of 1 mph using 60°/0.32 inch orifice, dual port nozzles operating at 12 pulses/sec. Injection pressure was 5000 psi and liquid was applied at a volume of 6 gal of solution/1000ft². The 16 nozzles (evenly spaced at 3 inches along the length of the injector mainfold) were adjusted to alternating 45° angles. Insecticide injections were applied in either one or two 90° passes across plots. No irrigation was applied following applications. Post-treatment precipitation totaled 3.94 inches. Treatments were evaluated 10 Sep (29 DAT) and 03 Sep (22 DAT) at sites 1 and 2, respectively. Assessment of white grub control was made by removing from each evaluation plot six, 8-inch diam turf-soil cores (2.10 ft^D]vFD total area) to a depth of 3 inches and counting the number of surviving grubs. Since ANOVA determined there were no significant differences between locations, the data were pooled and analyzed using Proc GLM. All treatments provided a statistically significant reduction in white grub numbers compared with the untreated check. Although there were no statistically significant differences among treatments, increasing the number of passes seemed to provide better control. No phytotoxicity or unacceptable turf injury was observed." |
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| Language: | English |
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| References: | 0 |
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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 R. D. Grisso. 1999. High pressure injection of liquid insecticides for control of masked chafer larvae, 1998. Arthropod Manage. Tests. 24:p. 363. |
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| Web URL(s):
https://academic.oup.com/amt/article/24/1/G53/205485/HIGH-PRESSURE-INJECTION-OF-LIQUID-INSECTICIDES-FOR
Last checked: 02/17/2017
Access conditions: Item is within a limited-access website
Notes: Guide Page |
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MSU catalog number: SB 951 .A1 I48 |
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