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| Publication Type:
| Report |
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| Author(s): | Held, D.;
Potter, D. A.;
Williamson, C. |
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| Author Affiliation: | Department of Entomology, S-225 Agric. Sci. Bldg. N., University of Kentucky, Lexington, KY |
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| Title: | Residual control of black cutworms on a creeping bentgrass putting green, 1996. |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 22, 1997, p. 344. |
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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: Sand-based golf greens; Residual effects; Insect control; Agrotis ipsilon; Agrostis stolonifera; Golf greens; Experimental products; Imidacloprid; Cyfluthrin; Chlorpyrifos; Application rates
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| Abstract/Contents: | "This test was conducted on a sand-based putting green at the University of Kentucky Spindletop Farm, near Lexington. The greeen is irrigated with about 0.2 inches daily and mowed 6 times per week at 3/16 inch cutting height. Plots (6 X 6 ft) were arranged in a RCB with each block representing one treatment date. The first treatment date was 18 Jul, with subsequent treatments repeated weekly. The final treatment was 7 Aug, 1 day before harvest. Conditions during applications ranged from 78-88°F with winds <10 mph. Irrigation was withheld for 1 day after treatment. Daily rainfall amounts during the experiment were <1/4 inch except on 31 Jul, when 1.94 inches of rain fell. Liquid applications were applied at 50 gpa using a low volume, CO² sprayer equipped with 4 Spraying System 8004 Tee Jet nozzles that delivered 2109 g pressure per cm₂. Grass clippings were harvested from plots on 8 Aug, with a Bunton greens mower and placed in labeled bags. In the lab, grass clippings were placed in 15 X 100mm plastic petri dishes with 10 neonate BCW larvae. Additional clippings were replaced as needed to maintain ample food source. Petri dishes were placed in a growth chamber and larvae were allowed to feed until 12 Aug. All dishes and clippings were then inspected for BCW larvae. Larvae were noted as dead or alive. The recovery rate of BCW larvae (live or dead) was not less than 65% in any block. Tempo 2 and Dursban were only effective till 7 DAT. Imidacloprid (Merit), though used for residual control of white grubs, also did not show significant effects with clippings older than 7 days. There was no statistical difference between the two halofenozide (RH-0345) treatments. Halofenozide gave significant control of BCW when larvae were fed clippings harvested as late as 21 DAT. There were no signs of phytotoxicity resulting from any of the treatments." |
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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):
Held, D., D. A. Potter, and C. Williamson. 1997. Residual control of black cutworms on a creeping bentgrass putting green, 1996.. Arthropod Manage. Tests. 22:p. 344. |
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