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| Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T019.pdf
Last checked: 11/11/2016
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: | Management of anthracnose basal rot in a putting green with fungicides, 2010 |
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| Section: | Turfgrass
Other records with the "Turfgrass" Section
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| Source: | PDMR: Plant Disease Management Reports. Vol. 5, 2011, p. T019. |
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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; Anthracnose; Colletotrichum graminicola; Disease control; Disease severity; Fungicide efficacy; Fungicide evaluation; Golf greens; Poa annua
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| Cultivar Names: | Penncross |
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| Abstract/Contents: | "The experiment was conducted at the Valentine Turfgrass Research Center, University Park, PA, on a creeping bentgrass/Poa green maintained under golf course conditions, mowed six times per week at 0.125-in. The soil was modified sandy clay loam with a pH of 7.0. Treatments were applied with a CO2-powered sprayer operating at 40 psi with a 11008E nozzle. Treatment plots, 3 ft x 6 ft, were arranged in a randomized complete block design with three replications. A total of 0.25 lb nitrogen (Urea 46-0-0) was applied to the experimental area on 25 May. Treatments were delivered in water carrier equal to 2 gal per 1000 sq ft. Treatment applications were made on 16 and 30 Jun, and 14 and 28 Jul for 14-day intervals, and 16 Jun, 7 and 28 Jul for 21-day intervals. The experimental area was inoculated with Colletotrichum cereale (aqueous suspension of 6.0 x104 conidia/ml) on 7 Jul to achieve uniformity in disease distribution. Disease severity (Index 0 to 10; 0=turf asymptomatic; 10=>90% turf area symptomatic) was assessed on 9, 16, and 23 Jul, and 3 Aug. Data were subjected to analysis of variance and multiple comparisons of the mean values were made using the Waller-Duncan k-ratio test. Anthracnose basal rot development in the creeping bentgrass-Poa turf area was moderate in early summer, and became severe over time from mid- to late summer. The first disease assessment showed several fungicides provided significant suppression compared to the untreated control that had a disease severity index of 5.3. Various tank-mixes of Civitas and Harmonizer with other compounds, as well as plots treated with standard fungicides such as Endorse, Trinity, Disarm C, Cleary 26/36, and tank-mix of Endorse and Segway showed low levels of disease. Civitas and Harmonizer increased the effectiveness of Compass significantly. No phytotoxicity was observed in any of the treatment plots during the course of the experiment." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is as abstract and tables only!
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Aynardi, B., Y. Li, A. Rahman, and W. Uddin. 2011. Management of anthracnose basal rot in a putting green with fungicides, 2010. PDMR: Plant Dis. Manage. Rep. 5:p. T019. |
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| Web URL(s):
https://www.plantmanagementnetwork.org/pub/trial/PDMR/reports/2011/T019.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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