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| Web URL(s): | http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t41.asp
Last checked: 09/21/2009
Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T041.pdf
Last checked: 02/21/2017
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Soika, M. D.;
Tredway, L. P. |
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| Author Affiliation: | Department of Plant Pathology, North Carolina State University, Raleigh, North Carolina |
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| Title: | Evaluation of fungicides for control of brown patch of tall fescue in Raleigh, North Carolina, 2008 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T041. |
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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: Azoxystrobin; Azoxystrobin + Propiconazole; Chlorothalonil + strobilurin; Disease control; Festuca arundinacea; Fluoxastrobin; Fungicide efficacy; Fungicide evaluation; Rhizoctonia blight; Rhizoctonia solani; Trifloxystrobin + triadimefon
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| Cultivar Names: | Coronado |
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| Trade Names: | Armada; ARY 0473-009; Disarm; Disarm C; Headway; Heritage |
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| Abstract/Contents: | "Fungicides were evaluated for preventative control of brown patch in tall fescue landscapes. This trial was conducted at the Lake Wheeler Turfgrass Field Laboratory in Raleigh, NC on 'Coronado' tall fescue maintained under conditions mimicking an intensely managed landscape. Mowing was performed three times weekly through 24 Jul, and one time weekly after 24 Jul, at a height of 3.5-in. with clippings returned. The site was irrigated with 0.13 in. water daily at 8:00 hr and 20:00 hr to provide environmental conditions conducive to disease development. Fertilizer was applied as 30-6-10 on 14 Feb (1.0 lb nitrogen/1,000 sq ft). Barricade 65WG was applied at 0.5 lb ai/A on 12 Feb for control of annual grasses. Subdue MAXX (1.0 fl oz/1,000 sq ft) was applied on 5 Jun, 25 Jun, and 24 Jul for control of Pythium foliar blight. Plots were 5 ft x 6 ft and were arranged in a randomized complete block with four replications. Fungicides were applied in water equivalent to 2 gal per 1,000 sq ft with a CO2-powered sprayer at 40 psi using TeeJet 8004 nozzles. Granular formulations were applied by hand with a shaker jar. All treatments were initiated on 10 Jun and were reapplied at the appropriate intervals as indicated in the table. The experimental area was inoculated on 2 Jun using rye grain infested with R. solani isolates ECC-A, ECC-B, ECC-C, and ECC-E to encourage brown patch development. Percent turf area exhibiting brown patch symptoms were assessed on 3, 8, 30 Jul, and 5 Aug. Data were subjected to analysis of variance and means separation by Waller-Duncan k-ratio t test (k=100). Brown patch incidence was low in the study, reaching a high of 10.9% symptomatic turf in the untreated control on 3 Jul. The high rate of Disarm, Disarm C, Heritage, and both rates of Headway provided acceptable control of brown patch on all rating dates. Armada failed to provide significant brown patch suppression on 8 Jul and 5 Aug, and the experimental granular ARY0473-009 G was ineffective on three of the four rating dates. No phytotoxicity was observed in the study." |
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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):
Soika, M. D., and L. P. Tredway. 2009. Evaluation of fungicides for control of brown patch of tall fescue in Raleigh, North Carolina, 2008. PDMR: Plant Dis. Manage. Rep. 3:p. T041. |
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| Web URL(s):
http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t41.asp
Last checked: 09/21/2009
Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T041.pdf
Last checked: 02/21/2017
Requires: PDF Reader |
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