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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Soika, M. D.;
Sanders, P. L. |
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| Author Affiliation: | Department of Plant Pathology, The Pennsylvania State University, University Park, PA 16802 |
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| Title: | Evaluation of fungicides for control of dollar spot, 1993 |
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| Source: | Fungicide and Nematicide Tests. Vol. 49, 1994, p. 334-335. |
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| Publishing Information: | St. Paul, MN: American Phytopathological Society |
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| # of Pages: | 2 |
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| Keywords: | TIC Keywords: Agrostis stolonifera; Dollar spot; Sclerotinia homoeocarpa; Disease control; Fungicide evaluation; Fungicides
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "This evaluation was conducted at the Valentine Turfgrass Research Center, University Park, PA, on creeping bentgrass maintained under golf course greens management conditions, at 0.16 inch cutting height. The test area was fertilized on 29 Apr with 1.0 lb nitrogen per 1000 sq ft (Scotts 12-2-4), on 11 May with 0.9 lb nitrogen per 1000 sq ft (Scotts 15-0-30), and on 22 May with 0.9 lb nitrogen per 1000 sq ft (Lesco 32-3-10). The experimental area was aerified and topdressed on 12-13 May. Individual plots, 3 ft x 10 ft, were arranged in a randomized complete block design with three replications. Treatments were applied with a CO2-powered boom sprayer, using Teejet 8004 nozzles, at 30 psi, in water equivalent to 2 gal per 1000 sq ft. Applications were made on 2, 16, and 30 Jun, 13 and 28 Jul, and 11 Aug; except as noted in the table. The experimental area was inoculated on 7 Jun, five days after the first treatment application, by hand scattering S. homoeocarpa-infected rye grain over the entire test area. Dollar spot was evaluated on 21 and 28 Jun, 9 and 27 Jul, and 20 Aug. Data obtained were subjected to analysis of variance and Duncan's Multiple Range test. Data from 28 Jun, 26 Jul, and 20 Aug are presented. The majority of the chemicals tested provided excellent control of dollar spot, including fourteen of the sixteen reduced-rate mixtures tested. These mixtures, plus individual mixture components at the rates used in the mixtures, appear in the results table in bold italics, preceded by an asterix (*). Phytotoxicity was noted throughout the trial on plots treated with Sentinel, the 1.5 fl oz rate of Rubigan, and mixtures containing the adjuvant, Silwet. The gaps in the disease severity values result from the fact that a number of fungicides being evaluated under confidentiality ageements were included in this trial. Data from these fungicides are not included in the table." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: DOLLAR |
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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):
Soika, M. D., and P. L. Sanders. 1994. Evaluation of fungicides for control of dollar spot, 1993. Fungicide Nematicide Tests. 49:p. 334-335. |
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