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| Publication Type:
| Report |
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| Author(s): | Baxendale, F. P.;
Weinhold, A. P.;
Gaussoin, R. E.;
Heng, T. M. |
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| Author Affiliation: | Baxendale & Weinhold: Department of Entomology, and Gaussoin & Hend: Department of Horticulture, University of Nebraska-Lincoln, Lincoln, NE 68583-0816 |
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| Title: | Control of black cutworms on a bentgrass golf course fairway, 1994 |
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| Section: | Ornamentals
Other records with the "Ornamentals" Section
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| Source: | Arthropod Management Tests. Vol. 20, 1995, p. 271-272. |
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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: | "Conventional and biological insecticides were evaluated for control of BCW larvae on a golf course creeping bentgrass fairway in Lincoln, NE. The turf (100% creeping bentgrass) was maintained at a mowing height of 0.5 inches. Thatch accumulation (finger compressed) in the plot area was 0.125 inches. Field conditions at the study site were: soil type, silty clay loam; soil organic matter, 3-5%; soil pH, 6.7; water pH, 7.0. Soil moisture was adequate throughout the study. Plots were 6 x 8 ft and the experimental design was an RCB with 4 replications. Insecticide treatments were applied on 14 Jul 1994. Liquid insecticides were applied using a CO₂ sprayer with an Lf-4 nozzle at 40 psi and delivering 5 gal finished spray/1000 ft². Following applications, plots were irrigated with 0.5 inch of water. A total of 1.78 inch of rain fell during the post treatment period. Treatments were evaluated 4 DAT (18 Jul) by drenching two 6 ft² areas in each plot with 0.5 oz. of lemon-scented dish washing detergent per gal of water. BCW were recorded as they appeared on the turf surface. Pretreatment estimated life stages were: 26% under 3rd instar, 7% 3rd instar, 16% 4th instar, 41% 5th instar, 7% 6th instar, and 3% 7th instar. All treatments resulted in statistically significant reductions in BCW numbers. All treatment combinations of Talstar F with M-Pede, Orthene or Turplex provided excellent (>98%) control. Limited cutworm reduction provided by the Bacillus thuringensis formulations may have been due, in part, to the relatively short interval between product application and evaluation. No phytotoxicity was observed." |
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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):
Baxendale, F. P., A. P. Weinhold, R. E. Gaussoin, and T. M. Heng. 1995. Control of black cutworms on a bentgrass golf course fairway, 1994. Arthropod Manage. Tests. 20:p. 271-272. |
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