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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 experimental dowelanco NAF85 and NAF127 formulations, and dursban pro for management of black cutworm on creeping 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. 345. |
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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; Insect control; Agrotis ipsilon; Agrostis stolonifera; Formulations; Application rates
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| Abstract/Contents: | "Treatment plots were 6 X 10 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 4 8002VS TeeJet nozzles mounted on an 6 ft boom, operating at 28 psi, and applied in 454 ml of water/60 ft₂ or delivering 2.0 gal/1000ft₂. Treatments were applied on 18 Jul following artificial infestation of the research area with 2nd and 3rd instar black cutworms. An average of 18/yd₂ cutworm larvae was recorded on 16 Jul prior to treatment. At treatment time (18 Jul), the following soil and environmental conditions existed: air temperature, 74°F; soil temperature at 1 inch depth, 72°F; soil temperature at 2 inch depth, 69°F; RH, 86%; amount of thatch, 0.0625 inch; soil texture class, sandy loam; soil particle size analysis: 69.7% sand, 25.9% silt, 4/4% clay; soil moisture (oven dry weight), 23.0%; organic matter, 3.1%; water pH, 7.0; soil pH, 6.5; time of application, early-morning; and clear skies. Post-treatment counts were recorded 2 DAT (20 Jul), 7 DAT (25 Jul), and 14 DAT (1 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 30 ml Lemon Joy™ dishwashing detergent in 2 gal of water. All treatments provided significant reduction of black cutworm larvae on each sampling date. 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 experimental dowelanco NAF85 and NAF127 formulations, and dursban pro for management of black cutworm on creeping bentgrass, 1996.. Arthropod Manage. Tests. 22:p. 345. |
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