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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Vittum, P. J. |
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| Author Affiliation: | Department of Entomology, Fernald Hall, University of Massachusetts, Amherst, MA |
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| Title: | Efficacy of three insecticides against European chafer larvae, home lawn, 1992 |
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| Source: | Insecticide and Acaricide Tests. Vol. 18, 1993, p. 325. |
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| Publishing Information: | Lanham, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Insecticides; Rhizotrogus majalis; Larva; Poa pratensis; Poa annua; Insecticide application; Lolium perenne
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| Geographic Terms: | Massachusetts |
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| Abstract/Contents: | "The lawn consisted primarily of Kentucky bluegrass (30%), annual bluegrass (25%), perennial ryegrass (25%), and assorted broad-leaved weeds (20%), maintained at 3.5 to 4.5 cm. Treatment plots were 2.6 X 2.6 m, replicated 5 times, arranged in a RCB design. All applications were made 11 Aug. Liquid formulations were applied by hand with watering cans, 3 liters water per plot. Granular formulations were applied using glass jars with perforated lids. Conditions at the time of application were as follows--air temperature 28 degrees C; high overcast with moderate humidity; soil type, silty loam; soil pH 6.2; water pH, 5.6. All plots were watered in with ca. 0.6 cm irrigation immediately after application. There was an additional 0.6 cm of rainfall ca. 6 h after application. Product efficacy was evaluated 25 September (46 DAT) by cutting two 0.1 m2 samples out of each plot, dislodging soil with a hand trowel, and counting all grubs to a depth of 10 cm. All materials reduced grub populations significantly relative to the untreated check. For each formulation tested there was no significant difference between rates." |
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| Language: | English |
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| References: | 0 |
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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):
Vittum, P. J. 1993. Efficacy of three insecticides against European chafer larvae, home lawn, 1992. Arthropod Manage. Tests. 18:p. 325. |
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