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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 Massechusetts, Amherst, MA |
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| Title: | Efficacy of late season applications of various turf insecticides against Japanese beetle populations, 1996 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 23, 1998, p. 320. |
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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: Agrostis stolonifera; Poa pratensis; Rhizotrogus majalis; Popillia japonica; Pest control; Insect control; Grub control; Insecticides; Insecticide evaluation; Pest density; Application rates; Bifenthrin; Chlorpyrifos; Imidacloprid; Application timing; Lawn turf
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| Abstract/Contents: | "Four insecticides were tested for efficacy against Japanese beetle larvae at the Hillcrest Park Cemetery, Springfield, MA. The lawn consisted of 50% Kentucky bluegrass, 20% creeping bentgrass, 20% crabgrass (Digitaria sanguinalis), and was mowed at ca. 2.0 inches. Treatment plots were 8 ft by 8 ft, replicated 5 times, arranged in a CRB. Applications were made on 27 Aug 1996. Granular products were applied by hand using glass jars with perforated lids. Liquid formulations were applied by hand with a watering can using 4 liters of water per plot. Plots were watered in with 0.15 inch irrigation within one hour after application. Product efficacy was evaluated for all treatments on 18 Oct (52 DAT) by removing 5 cupcutter plugs (4.25 inch diam) from near the center of each plot, dislodging soil and counting all grubs to a depth of 3 inches. None of the treatments reduced grub populations significantly (P=0.05) population relative to the untreated plot. However, the grub population was relatively low at this site, making statistical separation difficult. Merit reduced grub populations 63% even though the application was made at least 1 wk later than optimum timing. Plots with lower rates of bifenthrin had significantly more grubs than the untreated plot, possibly a function of elimination of natural enemies." |
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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. 1998. Efficacy of late season applications of various turf insecticides against Japanese beetle populations, 1996. Arthropod Manage. Tests. 23:p. 320. |
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