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| Web URL(s): | https://www.plantmanagementnetwork.org/sub/trial/amt31/PDF/G/G3.pdf
Last checked: 11/11/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Heller, Paul R.;
Kline, D.;
Ellis, P. J. |
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| Author Affiliation: | Department of Entomology, Pennsylvania State University, University Park, Pennsylvania |
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| Title: | Black cutworm larval suppression study between DPXE2Y45, Allectus, and Talstar, 2005 |
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| Source: | Arthropod Management Tests. Vol. 31, 2006, p. G3. |
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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: Agrostis stolonifera; Agrotis ipsilon; Larva; Bifenthrin + Imidacloprid; Bifenthrin; Application rates; Insecticide trials
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| Abstract/Contents: | "This experiment was completed on a sand green maintained at Penn State's Valentine Turfgrass Research Center at University Park to determine the effectiveness of treatments against third instar black cutworm larvae. Treatment plots were 6 Œ 6 ft, arranged in a RCB design and replicated three times. A 1 ft barrier was established between each replicate and block. Liquid formulations were applied by using a CO2 sprayer with four 8002VS TeeJet nozzles mounted on a 6 ft boom, operating at 28 psi, and applied in 272 ml of water/36 ft2 or delivering 2.0 gal/1000 ft2. Treatments were applied in the mid morning on 17 Aug under clear skies to moist soil and thatch. Air temp was 78°F with RH = 50.5%. Soil temp at l and 2 inch depth was 74 and 72°F, respectively. Amount of thatch was 0.125 inch and water pH = 7.0. No irrigation was applied after the application of treatments. Rainfall in the amount of 0.6 inch occurred between the evening of 18 Aug through the morning of 19 Aug. General soil conditions were as follows: soil textural class, loamy sand; soil particle size analysis: sand, 86.2%; silt, 10.9%; clay, 2.9%; soil percent water content (percent by wt), 14.9; organic matter, 1.9%; CEC, 8.9; and soil pH, 6.8. Eight inch diam by six inch long white PVC cylinders were placed in each replicate and secured in place. Each cylinder was covered with white meshed shade cloth. One cylinder was placed in each replicate and 10 third instar black cutworm larvae were added to each cylinder three hr following application. Prior to placing the cutworms in each container small aerification holes were made within the turf of each cylinder. Efficacy data was recorded on 19 Aug (2 DAT) by counting the number of cutworm larvae flushed to the surface within one eight inch PVC cylinder per replicate by using a soap irritant drench. Data was analyzed by using Waller-Duncan k ratio (WD; P ≤ 0.05) and an Abbott's transformation. All treatments significantly reduced BCW populations. 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., D. Kline, and P. J. Ellis. 2006. Black cutworm larval suppression study between DPXE2Y45, Allectus, and Talstar, 2005. Arthropod Manage. Tests. 31:p. G3. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/sub/trial/amt31/PDF/G/G3.pdf
Last checked: 11/11/2016
Requires: PDF Reader |
| 
MSU catalog number: SB 951 .A1 I48 |
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