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Web URL(s): | https://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t71.asp Last checked: 02/28/2017 Notes: Report Summary https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T071.pdf Last checked: 11/11/2016 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Publication Type:
| Report |
Author(s): | Fidanza, M. A.;
McDonald, S. J.;
Kelly, J. |
Author Affiliation: | Fidanza: Pennsylvania State University, Reading; McDonald: Turfgrass Disease Solutions, Pottstown; Kelly: Kimberton Golf Club, Phoenixville, Pennsylvania |
Title: | Evaluation of fungicides, soil surfactants, and other products for fairy ring control in mostly perennial ryegrass, 2008 |
Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T071. |
Publishing Information: | St. Paul, MN: American Phytopathological Society |
# of Pages: | 1 |
Keywords: | TIC Keywords: Disease control; Disease severity; Fairy rings; Fungicide evaluation; Lolium perenne; Poa annua; Surfactants
|
Abstract/Contents: | "The field experiment was conducted on a predominately perennial ryegrass fairway containing some annual bluegrass (Kimberton Golf Club, Phoenixville, PA) maintained at a cutting height of 0.425-in. with a reel mower and clippings not removed. Soil pH was 6.6 with 5.1% organic matter at this native soil site. All treatments, including the ammonium sulfate treatment, were applied with a CO2-powered backpack sprayer calibrated to deliver 2.3 gal water-carrier per 1,000 sq ft (100 gal water-carrier per acre) at 40 psi from one XR TeeJet 8006E nozzle. Individual plots measured 5 ft x 5 ft, and treatments were arranged as a randomized complete block design with three replications. Product treatments, application rates, and application calendar dates are listed in the table. A combination of both type I and II fairy ring symptoms were present at this test site, therefore total symptoms in each plot were determined from a severity index (see table below). All data were subjected to analysis of variance with treatment means compared by Fisher's protected least significance difference test at P = 0.05. Severe type II fairy ring symptoms were observed at this site by mid-Jun. Therefore, all treatments were applied to the test site as an early curative approach to manage fairy ring symptoms in turf. The exact fairy ring species is unknown, however, "puffball"-type basidiocarps were observed within the fairway and identified as bovista sp. Severe type II fairy ring symptoms were observed from early Jul through late Jul, with an index of 5 to 6 observed in untreated plots indicating severe type II symptoms advancing into type I (i.e., necrotic, dead turf in rings or arcs). Overall, all treatments provided varying levels of fairy ring symptom control/suppression or "masking" compared to the untreated check. By mid-Aug through late Aug, fairy ring symptoms dissipated in the test area and affected turf within the plots began to recover." |
Language: | English |
References: | 0 |
See Also: | Other items relating to: Fairy Rings |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Fidanza, M. A., S. J. McDonald, and J. Kelly. 2009. Evaluation of fungicides, soil surfactants, and other products for fairy ring control in mostly perennial ryegrass, 2008. PDMR: Plant Dis. Manage. Rep. 3:p. T071. |
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