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| Publication Type:
| Report |
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| Author(s): | Rimelspach, J. W.;
Boehm, M. J.;
Danneberger, T. K.;
Taylor, J. A. |
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| Author Affiliation: | Department of Plant Pathology, Department of Horticulture and Crop Science, The Ohio State University |
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| Title: | Evaluation of fungicides for the control of red thread in Kentucky bluegrass, 1996 |
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| Source: | Fungicide and Nematicide Tests. Vol. 52, 1997, p. 384. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Abstract/Contents: | "The test was conducted at the TruGreen-ChemLawn Technical Center, Delaware, Ohio, on a four-year old stand of Kentucky bluegrass consisting of the followint cultivars `Julia', `Merit',`Schamrock', and `Touchdown' at 25% each. The soil is a Blount silt loam, with a pH of 6.2. The turfgrass was maintained at 2.25 in. cutting height, clippings returned, and irrigated as needed to avoid water stress. The condition of the stand was good with good color, medium density, and less than 0.5 in of thatch. The plots 6 ft x 10 ft were in a randomized complete block design with three replications. Water soluble fungicide treatments were applied with a hand-held CO²-powered boom sprayer, with 8004 T-jet nozzles at 40 psi, (water equivalent to 2.5 gal water/1000 ft²). Granular materials were applied by hand. All treatments were made on 29 May. The average high and low air temperatures (F) and rainfall (in) for each monthe were: May 69.8, 49.7, 7.3; Jun, 80.2, 58.4, 4.1, respectively. Spring environmental conditions were unusually wet and cool, and favorable for red thread development. The disease was active at the time of applications and present across the evaluation area. Readings of the number of red thread patches were taken at approximately 2 and 3 weeks after applications. Outstanding control was achieved with Heritage and ProStar. Sentinel showed excellent results over time however, initial control was slow. Chipco 26019 50WDG abd 2F, both demonstrated good management of the disease. Daconil, demonstrated good short term reduction of the disease, but since this is a contact fundicide, repeat applications would be needed. Granular treatments did not provide adequate control. Fertilizer applications were not adequate to manage the disease." |
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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):
Rimelspach, J. W., M. J. Boehm, T. K. Danneberger, and J. A. Taylor. 1997. Evaluation of fungicides for the control of red thread in Kentucky bluegrass, 1996. Fungicide Nematicide Tests. 52:p. 384. |
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