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| Publication Type:
| Report |
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| Author(s): | Vittum, P. J. |
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| Author Affiliation: | Department of Entomology, Fernald Hall, University of Massachusetts, Amherst, Massachusetts |
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| Title: | Efficacy of insecticides applied curatively against annual bluegrass weevils, golf course fairway, 1993 |
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| Source: | Arthropod Management Tests. Vol. 19, 1994, p. 317-318. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Poa annua; Agrostis stolonifera; Listronotus maculicollis; Insect control; Insecticide evaluation; Ethoprophos; Acephate; Trichlorfon; Bendiocarb
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| Abstract/Contents: | "Ethoprop (Mocap 10G), acephate (Orthene 75SP), trichlorfon (Proxol 80SP), or bendiocarb (Turcam 76WP or 2.5G) was applied in small plots on a golf course fairway in Harrison, NY-annual bluegrass (30%), creeping bentgrass (70%), maintained at 1.2 cm. All applications were made by hand-liquid formulations were diluted in 2 liters water and applied with watering cans, granular formulations were applied using glass jars with perforated lids. Approximately half the material was applied in one direction, and the remaining half was applied in the perpendicular direction. All materials except Orthene were applied and watered in with 0.5 cm irrigation and then the Orthene plots were applied. No further irrigation was applied following the Orthene applications. Product efficacy was evaluated on 21 Jun by removing 12 soil cores (5.7 cm diam, 4 cm deep) from each plot, at least 0.5 m from the edge. Insect counts were made by combining totals from 3 plugs per recorded observation (4 observations per plot, 20 observations per treatment). At the time of the sampling, the population was 4% 3rd instar, 4% 4th instar, 36% 5th instar, 28% pupae, and 28% adults. All treatments reduced the population significantly relative to the untreated control. The population pressure in the untreated control was moderate (65 weevils per 0.1 m2). All of the treatments reduced the population below the currently acceptable threshold (30 to 50 weevils per 0.1 m2). Each of the materials tested appeared to provide acceptable levels of control when applied curatively (about two weeks after most oviposition had been completed)." |
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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):
Vittum, P. J. 1994. Efficacy of insecticides applied curatively against annual bluegrass weevils, golf course fairway, 1993. Arthropod Manage. Tests. 19:p. 317-318. |
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