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| Publication Type:
| Report |
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| Author(s): | Heller, P. R.;
Walker, R. |
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| Author Affiliation: | Department of Entomology, Pennsylvania State University, University Park, PA |
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| Title: | Evaluation of NAF formulations, Dursban Pro, and Scimitar CS for management of black cutworm on creeping bentgrass, 1995. |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 22, 1997, p. 346. |
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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: Temperatures; Experimental products; Chlorpyrifos; Lambda-cyhalothrin; Insect control; Agrotis ipsilon; Agrostis stolonifera; Application rates; Formulations
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| Abstract/Contents: | "Treatment plots were 10 X 8 ft, arranged in a RCB design and replicated 4 times at University Park, PA. Liquid formulations were applied by using a CO² compressed air sprayer with 6 8002VS TeeJet nozzles mounted on an 8 ft boom, operating at 28 psi, and applied in 350 ml of water/80 ft₂ or delivering 1.1 gal/1000 ft₂. Treatments were made on 31 Jul when black cutworm feeding damage was first observed on close cut bentgrass. An average of 5.0/yd₂ cutworm larvae was recorded on 31 Jul prior to treatment. At treatment time (31 Jul), the following soil and environment conditions existed: air temperature, 74°F; soil temperature at 1 inch depth, 82°F; soil temperature at 2 inch depth, 72°F; RH, 68%; amount of thatch, 0.125-0.25 inch; soil texture class, sandy loam; soil particle size analysis: 52.8% sand, 35.2% silt, 12.0% clay; soil moisture (oven dry weight), 31.3%; organic matter, 3.3%; water pH, 7.0; soil pH, 6.6; time of application , early morning; and clear skies. The area received 0.1 inch of irrigation immediately after treatment. Evaluation was done on three sampling dates (3 Aug, 7 Aug, 15 Aug) by counting the number of black cutworm larvae flushed to the surface within a 1.0 yd₂ wood frame sampling area using a soap irritant drench of 15 ml Lemon Joy™ dishwashing detergentin 2 gal of water. Extremely high temperatures reduced natural occurring black cutworm populations. All treatments on the last two of the 3 sampling dates provided significant reduction of black cutworm larvae relative to untreated check. No phytotoxicity was noted." |
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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):
Heller, P. R., and R. Walker. 1997. Evaluation of NAF formulations, Dursban Pro, and Scimitar CS for management of black cutworm on creeping bentgrass, 1995.. Arthropod Manage. Tests. 22:p. 346. |
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