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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2012/T036.pdf
Last checked: 11/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Report |
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| Author(s): | Aynardi, B.;
Li, Y.;
Rahman, A.;
Uddin, W. |
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| Author Affiliation: | Department of Plant Pathology, The Pennsylvania State University, University Park, PA |
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| Title: | Brown patch control in a colonial bentgrass fairway using fungicides, 2011 |
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| Section: | Turfgrass
Other records with the "Turfgrass" Section
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| Source: | PDMR: Plant Disease Management Reports. Vol. 6, 2012, p. T036. |
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| Publishing Information: | St. Paul, Minnesota: American Phytopathological Society |
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| # of Pages: | 2 |
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| Related Web URL: | https://www.plantmanagementnetwork.org/pub/trial/PDMR/volume6/abstracts/T036.asp
Last checked: 03/14/2017
Notes: Report Summary |
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| Keywords: | TIC Keywords: Agrostis tenuis; Agrotis ipsilon; Azoxystrobin; Bifenthrin; Boscalid + Pyraclostrobin; Disease severity; Penthiopyrad; Phytotoxicity; Pyraclostrobin; Rhizoctonia blight; Silty soils; Waller-Duncan test
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| Cultivar Names: | SR 7150 |
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| Trade Names: | Insignia; Heritage; Velista; Honor |
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| Abstract/Contents: | "The trial was conducted at the Valentine Turfgrass Research Center, University Park, PA, on a pure stand of 'SR-7150' colonial bentgrass maintained under golf course fairway management conditions, and mowed three times per week at a height of 0.5-in. The soil was Hagerstown silt loam with a pH of 7.0. Treatment plots, 3 ft x 6 ft, were arranged in a randomized complete block design with three replications. Applications were made with a CO2-powered sprayer, using a TeeJet 11008E nozzle, at 40 psi, in water equivalent to 2 gal per 1,000 sq ft. Treatments were applied on 15 and 29 Jun and 13 and 27 Jul on a 14-day interval, and 15 Jun and 7 Jul on a 21 day-interval. Talstar was applied at 0.25 oz/1,000 sq. ft. on 6 Jun and 4 Aug for control of black cutworms. The trial area was fertilized with 1.5 lb N/1,000 sq. ft. with Lebanon 29-0-10 on 26 Apr, 21 May, and 9 Jun. The trial was also fertilized with 0.75 lb N/1,000 sq. ft. with urea (46-0-0) on 25 Jul. Disease severity (Index 0-10; 0=turf asymptomatic; 1=1-10% turf symptomatic; 10=>90% turf area symptomatic) ratings were taken every five days beginning 27 Jun and culminating on 12 Aug. Data were subjected to analysis of variance and multiple comparisons of the mean values were made using the Waller-Duncan k-ratio t-test. Conditions were favorable for brown patch development, and disease severity was initially moderate for most of the colonial bentgrass fairway. The turf was inoculated on 16 Jul for homogeneity of disease development on the experimental turf area. Initially, brown patch severity was low (index 3.0) in the non treated control plots as of 7 Jul, but disease severity increased steadily through the month of July, and reached an index of 6.0 as of 1 Aug. Most of the fungicides evaluated in this experiment provided good control. Honor, Velista, Insignia, Heritage, and some experimental compounds provided excellent control of brown patch throughout the season. Phytotoxicity was apparent in all three reps of treatment 24, which was a numbered compound tank-mixed with a surfactant." |
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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):
Aynardi, B., Y. Li, A. Rahman, and W. Uddin. 2012. Brown patch control in a colonial bentgrass fairway using fungicides, 2011. PDMR: Plant Dis. Manage. Rep. 6:p. T036. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2012/T036.pdf
Last checked: 11/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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