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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: | Management of black cutworm on creeping bentgrass with experimental formulations, Tempo 20WP, and Dursban Pro, 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. 348. |
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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: Insect control; Agrotis ipsilon; Agrostis stolonifera; Experimental products; Cyfluthrin; Chlorpyrifos; Formulations
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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 a 6 ft boom, operating at 28 psi, and applied in 454 ml of water/60 ft₂ or delivering 2.0 gal/1,000 ft₂. Treatments were applied on 15 Aug following artificial infestation of research area with 2nd and 3rd instar black cutworms. An average of 16/yd₂ cutworm larvae was recorded on 13 Aug prior to treatment. The entire experimental area was covered with bird netting until post-treatment counts were recorded on 17 Aug. At treatment time (15 Aug) the following soil and environmental conditions existed: air temperature:, 70°F; soil temperature at 1 inch depth, 64°F; soil temperature at 2 inch depth, 64°F; RH, 93%; amount of thatch, 0.0625; soil textural class, loam; soil particle size analysis: 51.0% sand, 40.6% silt, 8.4% clay; soil moisture (oven dry weight), 23.9%; organic matter, 3.9%; water pH, 7.0; soil pH, 6.1%; time of application, mid-afternoon; and overcast skies. A total of 2.6 inch of rainfall occurred after treatment has been applied. Evaluation was done 2 DAT (17 Aug) and 6 DAT (21 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 sampled 2 DAT provided significant reduction of black cutworm larvae. The cutworm populations collapsed 6 DAT as a result of heavy bird predation. 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. Management of black cutworm on creeping bentgrass with experimental formulations, Tempo 20WP, and Dursban Pro, 1996.. Arthropod Manage. Tests. 22:p. 348. |
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