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| Publication Type:
| Report |
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| Author(s): | Gibb, T. G.;
Buhler, W. G.;
Gerber, C. K. |
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| Author Affiliation: | Department of Entomology, Purdue University, W.Lafayette, IN |
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| Title: | Black cutworm control in bentgrass, 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. 343. |
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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: Granules; Agrotis ipsilon; Insect control; Agrostis stolonifera; Chlorpyrifos; Application rates; Formulations
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| Abstract/Contents: | "Tests were conducted at the Purdue University Agronomy Research Center, W. Lafayette, Ind. All treatments were applied to a 4 ft₂ area, replicated four times in a RCB design. Dispersible formulations were appled through a TeeJet® 11003 spray tip attached to a 60-ml plastic syringe at a volume of 2 gal water/1000ft₂. Granular formulations were applied using a homemade salt shaker. All treatments were watered in with one-third inch of water within 4 hours after application. Galvanized steel circular barriers (60 inch circumference) were buried 1 inch into the soil and projected 3 inches above the soil in the center of each plot. Five 5th-instar black cutworms were infested within eachbarrier 1 day prior to treatment, 10 Jul. Netting material was clipped to the top of each barrier to to prevent bird predation. Plots were inspected immediately before treatment and any dead cutworms were replaced. Conditions at the time of treatment were: air temp., 75°F; thatch depth (natural), <0.2 inches; soil texture, silt loam; wind speed 1-5 mph. Efficacy was evaluated 4 DAT by applying 1 T of Joy dishwashing liquid/gal of water in each arena and recording the number of cutworms that emerged from the turf. The data from two untreated plots in each replicate were averaged to produce a mean for each replicate before statistical analysis. No live cutworms were recovered from any of the insecticide treatments whereas the number recovered from the untreated check average 2.5. The difference between the treatments and the untreated check was significant. No phytotoxicity was observed." |
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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):
Gibb, T. G., W. G. Buhler, and C. K. Gerber. 1997. Black cutworm control in bentgrass, 1996.. Arthropod Manage. Tests. 22:p. 343. |
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