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| DOI: | 10.1094/PHYTO.2004.94.6.S1 |
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| Web URL(s): | http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2004.94.6.S1#page=66
Last checked: 06/12/2009
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Martin, S. B.;
Olsen, M. W.;
Peterson, P. D.;
Camberato, J. J. |
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| Author Affiliation: | Martin, Peterson and Camberato: Clemson University, Pee Dee Research and Education Center, Florence, South Carolina; Olsen: University of Arizona, Tucson, Arizona |
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| Title: | Evaluation of fungicides for control of rapid blight on cool season grasses |
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| Section: | 2004 APS Annual Meeting abstracts of presentations
Other records with the "2004 APS Annual Meeting abstracts of presentations" Section
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| Meeting Info.: | Anaheim, California: July 31-August 4, 2004 |
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| Source: | Phytopathology. Vol. 94, No. 6S, June Supplement 2004, p. S66. |
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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: Application rates; Chlorothalonil; Cool season turfgrasses; Disease control; Fungicide application; Labyrinthula; Mancozeb; Pyraclostrobin; Rapid blight; Trifloxystrobin
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| Trade Names: | Insignia; Compass; Fore rainshield; Daconil |
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| Abstract/Contents: | "Rapid blight is a newly described highly destructive disease of many cool season turfgrasses caused by a species of Labyrinthula, a net slime mold. The purpose of this study was to evaluate fungicides, already labeled for other turfgrass diseases, for control of rapid blight. Fungicides were applied at label rates in 860 L ha-1 to 2-wk old perennial ryegrass (Lolium perenne L.) in greenhouse experiments. Ryegrass was irrigated twice daily with artificial seawater of 3.5 deciSiemens (dS) M-1. Ryegrass leaves were inoculated with 1 Π105 cells placed arbitrarily in the canopy the day after fungicide application. Non-fungicide treated plants became completely blighted 3-4 wk post inoculation. Insignia (pyraclostrobin) at 0.055 grams (g) active ingredient (ai) M-2, and Compass (trifloxystrobin) at 0.038 g ai M-2, controlled the disease as single component sprays, with greatest efficacy from Insignia. Fore Rainshield (mancozeb) at 1.95 g ai M-2 and Fore + Insignia or Fore + Compass tank mixes were more effective than Fore alone. Daconil Ultrex (chlorothalonil) at 0.98 g ai M-2 controlled the disease up to 2 wk post inoculation. Field trials in SC and AZ showed effectiveness of Fore, Insignia, and Compass for control of rapid blight in rough bluegrass on golf greens. Azoxystrobin, fosetyl-Al, mefanoxam, propamocarb, iprodione, myclobutanil, thiophanate methyl, chloroneb, flutolanil, polyoxin, and fludioxonil did not control rapid blight in greenhouse or field trials." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Martin, S. B., M. W. Olsen, P. D. Peterson, and J. J. Camberato. 2004. Evaluation of fungicides for control of rapid blight on cool season grasses. Phytopathology. 94(6S):p. S66. |
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| DOI: 10.1094/PHYTO.2004.94.6.S1 |
| Web URL(s):
http://apsjournals.apsnet.org/doi/pdf/10.1094/PHYTO.2004.94.6.S1#page=66
Last checked: 06/12/2009
Requires: PDF Reader
Notes: Item is within a single large file |
| 
MSU catalog number: b2219736a |
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Digitally in TIC by file name: phytp2004junpres |
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