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| DOI: | 10.4182/amt.2009.G26 |
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| Web URL(s): | https://www.plantmanagementnetwork.org/sub/trial/AMT34/PDF/G/G26.pdf
Last checked: 11/11/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Vittum, P. J.;
Brocklesby, L. J.;
Luce, N. J.;
Weckstrom, S. K. |
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| Author Affiliation: | Vittum: Department of Plant, Soil, and Insect Sciences, University of Massachusetts-Amherst, AMherst, MA |
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| Title: | Field efficacy of spring applications of neonicotinoids against subsequent fall populations of oriental beetle larvae, golf course rough, 2008 |
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| Section: | Bluegrass (Kentucky)
Other records with the "Bluegrass (Kentucky)" Section
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| Source: | Arthropod Management Tests. Vol. 34, 2009, p. G26. |
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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: Application timing; Exomala orientalis; Insecticide efficacy; Insecticide evaluation; Larva; Lolium perenne; Neonicotinoid insecticides; Poa pratensis; Spring maintenance
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| Abstract/Contents: | "Two neonicotinoid turf insecticides were applied to golf course rough turf (maintained at 2 to 3.5 inches) on 24 Apr or 23 May or 13 Jun 2008 and sampled 24 Sept to determine the efficacy of the compounds against OB larvae which developed later in the year. Compounds tested were: Arena (chlothianidin), Meridian (thiamethoxam), and Aloft (a commercial combination of Arena and a generic form of bifenthrin). The test was conducted at Hickory Ridge Country Club, Amherst, MA. The conditions at the time of application were as follows: 24 April: air temp, 57° F; soil temp, 54° F; water pH, 5.3; sunny with a gentle (<3 mph) W breeze; 23 May: air temp, 53° F; soil tem, 49° F; water pH, 5.3; sunny and calm; 13 Jun: air temp, 66° F; soil temp, 62° F; water pH, 5.3; sunny and calm; soil pH 5.1, buffered pH 5.9; CEC 15.3 Meq/100g. Treatment plots were 8 ft by 8 ft, replicated 5 times, and arranged in a CRB design. All sprayable formulations were applied with a watering can (3 qt water per plot). Granular products were applied by hand using jars with perforated lids. Plots were irrigated with 0.2 inch within 1 hr after application. Product efficacy was evaluated on 24 Sept by inspecting (on site) five 4.25-inch diameter cores from near the center of each plot. Each core was recorded separately and all grubs were identified to species and stage of development on site. All counts were included in statistical analyses (Fisher's Protected LSD, 0.05). There were more than 22 grubs per sq ft in the untreated checks, well above the commonly accepted threshold population (10 to 15 larvae per sq ft). All treatments reduced insect populations significantly relative to the untreated check, but the earliest application of Meridian failed to provide an agronomically acceptable level of at least 70 to 80% control. All of these products have demonstrated good control of white grubs when used preventively in previous trials, and this trial appears to provide further support of excellent preventive activity, even with applications as early as late April in the case of chlothianidin." |
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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., L. J. Brocklesby, N. J. Luce, and S. K. Weckstrom. 2009. Field efficacy of spring applications of neonicotinoids against subsequent fall populations of oriental beetle larvae, golf course rough, 2008. Arthropod Manage. Tests. 34:p. G26. |
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| DOI: 10.4182/amt.2009.G26 |
| Web URL(s):
https://www.plantmanagementnetwork.org/sub/trial/AMT34/PDF/G/G26.pdf
Last checked: 11/11/2016
Requires: PDF Reader |
| 
MSU catalog number: SB 951 .A1 I48 |
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