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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Baxendale, F. P.;
Weinhold, A. P.;
Riordan, T. P. |
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| Author Affiliation: | University of Nebraska: Department of Entomology and Department of Horticulture |
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| Title: | Chinch bug control in buffalograss |
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| Source: | Insecticide and Acaricide Tests. Vol. 16, 1991, p. 247. |
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| Publishing Information: | Lanham, MD: Entomological Society of America |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Insect control; Blissus; Bouteloua dactyloides; Insecticides; Insecticide application; Phytotoxicity
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| Geographic Terms: | Nebraska |
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| Abstract/Contents: | "The experiment was conducted on a buffalograss lawn in Lincoln, Nebr. Insecticides were applied on 5 Sep to 4 X 4 ft plots arranged in a completely randomized design with 4 replications. Topography in the treated area was level. The predominant grass species was buffalograss (98%) which was maintanined at a mowing height of 4.0 inches. Thatch accumulation ranged from 0-0.25 inches. Conditions at the time of application were as follows: air temperature 96 F; soil temperature (4-inch depth), 91 F; soil type, silty clay loam; soil organic matter, 3-5%; soil pH, 6.0-7.0; water pH, 7.0. Soil moisture was well below field capacity. Liquid insecticides were applied with a CO2 sprayer using a LF-4 nozzle at 24 psi and delivering 5 gal spray/1000 ft2. Granular formulations were combined with 5.0 oz clay granules, which served as a carrier, and were hand-shaken over plots. Immediately following application, plots were syringed with 0.125 inches water. No rainfall occurred during the posttreatment period. Product efficacy was evaluated 5 DAT (10 Sep) by removing from each plot three turf-soil cores to a depth of 2 inches with a 4-inch diam cup cutter (0.26 ft2 total area per plot.) Cores were returned to the laboratory and placed in Berlese funnels. Extracted chinch bugs were counted after 48 h. Pretreatment counts indicated 20-25 chinch bugs (nymphs and adults)/0.26 ft2 in the test area. Except for Pagent DF, Permethrin 1.5 G at the 0.65 lb rate and Dursban Turf at the 0.5 lb rate, all treatments resulted in statistically significant reductions in chinch bug numbers. Crusade 5 G, Mocap 5 G, 019299, Talstar 10 WP at the 0.3 lb rate and XRM-5184 at the 1.0 lb rate provided greater than 90% chinch bug control. No phytotoxicity was observed except for the 3% SunSpray Ultra-Fine Spray Oil plots which showed slight to moderate yellowing of grass blades at 5 DAT. No discoloration was detectable by 14 DAT." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract, with table, only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Baxendale, F. P., A. P. Weinhold, and T. P. Riordan. 1991. Chinch bug control in buffalograss. Arthropod Manage. Tests. 16:p. 247. |
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