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| Publication Type:
| Report |
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| Author(s): | Rimelspach, J. W.;
Boehm, M. J.;
Danneberger, T. K. |
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| Author Affiliation: | Rimelspach and Boehm: Department of Plant Pathology, Danneberger: Department of Horticulture and Crop Science, Ohio State University, Columbus, OH |
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| Title: | Evaluation of fungicides for the control of red thread in Kentucky bluegrass, 1997 |
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| Source: | Fungicide and Nematicide Tests. Vol. 53, 1998, p. 463. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Poa pratensis; Laetisaria fuciformis; Disease control; Fungicides; Azoxystrobin; Application rates; Triadimefon; Iprodione; Cyproconazole; Chlorothalonil; Myclobutanil; Experimental products; Flutolanil; Fertilizers; Penconazole
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| Abstract/Contents: | "Evaluation of fungicides for the control of red thread in Kentucky bluegrass, 1997: The test was conducted at the TruGreen-ChemLawn Technical Center, Delaware, OH, on a five-year old stand of Kentucky bluegrass consisting of the following 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 sward was good with good color, medium density, and less than 0.5 in of thatch. The plots 6 ft x 10 ft were in randomized complete block design with three replications. Water soluble treatments were applied with a hand-held CO₂-powered boom sprayer, with 6503 T-jet nozzles at 40 psi, (water equivalent to 2.0 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 month were: May 69.9, 50.5, 6.5; Jun 77.9, 58.8, 6.5. Spring environmental conditions were unseasonably cool and wet and favorable for red thread development. Disease was active at the time treatments were initiated. Relatively uniform disease pressure occurred over the evaluation area and continued until early Jul. Initial reduction in red thread was most evident with Heritage. Heritage, Bayleton, Chipco 26019 2F at 4.0 oz rate, Sentinel, Daconil Untrex, and Prostar showed significantly less disease at both rating dates. The fertilizer treatment had better over all turf quality than any of the fungicide treatments, however the same amount of disease as the check." |
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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, and T. K. Danneberger. 1998. Evaluation of fungicides for the control of red thread in Kentucky bluegrass, 1997. Fungicide Nematicide Tests. 53:p. 463. |
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