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| Web URL(s): | https://www.plantmanagementnetwork.org/sub/trial/amt31/PDF/G/G41.pdf
Last checked: 11/11/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Heller, P. R.;
Kline, D. |
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| Author Affiliation: | Department of Entomology, Pennsylvania State University, University Park, Pennsylvania |
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| Title: | Mid-May application of experimental DPXE2Y45 and Merit to preventively suppress first generation black turfgrass ataenius grubs, 2005 |
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| Source: | Arthropod Management Tests. Vol. 31, 2006, p. G41. |
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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: Poa annua; Lolium perenne; Application timing; Imidacloprid; Ataenius spretulus; Quality evaluation; Application rates; Grub control
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| Abstract/Contents: | "This study was undertaken to determine product effectiveness to control first generation black turfgrass ataenius (BTA) grubs. The turfgrass fairway consisted of annual bluegrass (40%) and perennial ryegrass (60%) and was located in Lewisburg, PA. Treatment plots were 6 ^D#x 5 ft, arranged in a RCB design, and replicated three times with a 1 ft barrier around all replicates. 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 227 ml of water/24 ft2 or delivering 2.0 gal/1000 ft2. Treatments were applied in mid morning on 11 May under overcast skies to dry soil and thatch. At that time, air temp was 81°F with RH = 59.7%. Soil temp at 1 and 2 inch depth was 61 and 58°F, respectively. Amount of thatch was 0.125 inch and water pH, 7.0. Immediately after application the experimental area was irrigated in with 0.25 inch of water. General soil conditions were as follows: soil textural class, silt loam; soil particle size analysis: sand, 21.4%; silt, 53.5%; clay, 25.1%; soil percent water content (percent by wt), 23.5; organic matter, 4.7%; CEC, 11.0; and soil pH, 5.6. Two 4 inch cup cutter sod samples were removed from each replicate on 23 Jun. The total number of BTA grubs was counted and converted to ft2. Data was analyzed using Waller-Duncan k ratio (WD; P ≤ 0.05). The area selected for the experiment had been infested with a natural population of BTA during the fall of 2004. All rates of DPXE2Y45 and Merit provided significant reduction when compared to the 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 D. Kline. 2006. Mid-May application of experimental DPXE2Y45 and Merit to preventively suppress first generation black turfgrass ataenius grubs, 2005. Arthropod Manage. Tests. 31:p. G41. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/sub/trial/amt31/PDF/G/G41.pdf
Last checked: 11/11/2016
Requires: PDF Reader |
| 
MSU catalog number: SB 951 .A1 I48 |
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