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Web URL(s): | http://www.agry.purdue.edu/turf/report/2000/2000%20page%2066.pdf Last checked: 07/2001 Requires: PDF Reader |
Publication Type:
| Report |
Author(s): | Latin, Richard;
Harmon, Philip |
Author Affiliation: | Latin: Turfgrass Pathologist, Department of Botany and Plant Pathology, Purdue University; Harmon: Graduate Research Assistant, Department of Botany and Plant Pathology, Purdue University |
Title: | Evaluation of fungicides for control of dollar spot on creeping bentgrass |
Section: | Integrated pest management Other records with the "Integrated pest management" Section
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Source: | 2000 Annual Report - Purdue University Turfgrass Science Program. 2000, p. 66-68. |
Publishing Information: | [West Lafayette, IN]: Purdue University |
# of Pages: | 3 |
Series: | B-804 |
Keywords: | TIC Keywords: Fungicide evaluation; Disease control; Dollar spot; Agrostis stolonifera; Weather; Fungicides; Propiconazole; Myclobutanil; Mancozeb; Chlorothalonil
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Abstract/Contents: | Presents a study "to evaluate various fungicides and application programs for control of dollar spot on creeping bentgrass." Results include that "weather conditions throughout the spring and summer favored dollar spot activity, excpet in the latter part of July. Weather during late July was generally cool and dry and favored turf growth and recovery over dollar spot development. Initial dollar spot symptoms were observed in the untreated plots on 12 June. All of the 14-day treatments provided good control through 1 Aug with the exception of the mancozeb treatments (Fore 80WSP and Fore Rainshield 80WSP). Several of the 14-day treatments no longer suppressed disease by 11 Aug but BAS50503F 50WG (0.4 oz), Eagle 40WSP (0.5 oz), Manhandle (RH-0611 62.2W) (8.0 oz) and the Eagle 40WSP/Daconil Ultrex 82.5WDG prepack (3.5 oz) maintained excellent control through 14 Aug. Excellent control was achieved by all of the 21-day treatments throughout the course of the experiment. Several of the 28-day teratments provided excellent control throughout the trial. Turf quality was evaluated visually using a 0-9 scale (less than 5 is unacceptable) on 31 July. Mancozeb fungicides (Fore 80WSP and Fore Rainshield 80WSP) did not result in acceptable quality turf, although they resulted in significantly less dollar spot than the untreated control plots at all evaluation dates. No phytotoxicity was associated with any of the treatments." |
Language: | English |
References: | 0 |
Note: | "Not for publication without permission" Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Latin, R., and P. Harmon. 2000. Evaluation of fungicides for control of dollar spot on creeping bentgrass. Annu. Rep. Purdue Univ. Turfgrass Sci. Progr. p. 66-68. |
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| Web URL(s): http://www.agry.purdue.edu/turf/report/2000/2000%20page%2066.pdf Last checked: 07/2001 Requires: PDF Reader |
| MSU catalog number: SB 433.16 .I6 T87 |
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