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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 |
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| Title: | Evaluation of Sevin 7.15G, Sevin 3.5G, and Sevin 80WSP for extended management of black cutworm on creeping bentgrass at University Park, Pennsylvania, 1995 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 21, 1996, p. 321-322. |
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| Publishing Information: | Annapolis, MD: Entomological Society of America |
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| # of Pages: | 2 |
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| Abstract/Contents: | "Treatment plots were 10 x 8 ft, arranged in a RCB design, replicated 4 times. 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 756 ml of water/80 ft² or delivering 2.5 gal/1,000 ft². Granular formulations were applied with a hand-held shaker and mixed with a fine-grade top dressing sand to facilitate product distribution. At treatment time (14 Jun), the following soil and environmental conditions existed: air temperature, 68°F; soil temperature at 1 inch depth, 78°F; soil temperature at 2 inch depth, 76^DGF; RH, 62%; amount of thatch, 0.125 inch; soil textural class, sandy loam; soil particle size analysis: 69.8% sand, 19.5% silt, 10.7% clay; soil moisture (oven dry weight), 23.8%; organic matter, 4.6%; water pH, 7.0; soil pH, 6.6; time of application, mid morning; and clear skies. The area received 0.2 inch of irrigation immediately after treatment (14 Jun). Efficacy data was recorded on six sampling dates (16 Jun, 23 Jun, 30 Jun, 7 Jul, 14 Jul, 28 Jul) 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 detergent in 2 gal of water. Treatments were made on 14 Jun when black cutworm feeding damage was first observed on close cut bentgrass. An average of 1.0/yd]2 cutworm larvae was recorded on 14 Jun prior to treatment. Black cutworm populations failed to develop until the 28 Jul sampling date. ANOVA's were not significant (P=0.5). 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. 1996. Evaluation of Sevin 7.15G, Sevin 3.5G, and Sevin 80WSP for extended management of black cutworm on creeping bentgrass at University Park, Pennsylvania, 1995. Arthropod Manage. Tests. 21:p. 321-322. |
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