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| Web URL(s): | http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t69.asp
Last checked: 07/10/2013
Access conditions: Item is within a limited-access website
Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T069.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): | Fidanza, M. A.;
McDonald, S. J. |
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| Author Affiliation: | Fidanza: Pennsylvania State University, Reading, Pennsylvania; McDonald: Turfgrass Disease Solutions, Pottstown, Pennsylvania |
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| Title: | Injection of a fungicide and a soil surfactant for fairy ring control in perennial ryegrass, 2006 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T069. |
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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: Agaricus campestris; Disease control; Fairy rings; Fungicide evaluation; Injection methods; Lolium perenne; Soil moisture; Surfactants; Symptoms
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| Abstract/Contents: | "The field experiment was conducted on a perennial ryegrass fairway (Philadelphia Country Club, Gladwyne, PA) maintained at a cutting height of 0.450-in. with a reel mower and clippings not removed. Soil pH was 6.0 with 9.1% organic matter at this native soil site. All injection treatments were applied from a DryJect (DryJect Inc., Hatboro, PA) aerification machine that was modified to deliver 4 gal water per 1,000 sq ft at high pressure of 3,000 psi to a depth of 3 to 4-in. into the soil rootzone below the turf canopy. All conventional surface "spray" treatments were applied with a CO2-powered backpack sprayer pressured calibrated to deliver 4 gal water-carrier per 1,000 sq ft at 40 psi from two XR TeeJet 8006E nozzles spaced 18-in. apart. Individual plots measured 5 ft × 10 ft, and treatments were arranged as a randomized complete block design with four 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 estimated on a 0 to 100% scale, where 0 = no disease and 100 = entire plot area affected. All data were subjected to analysis of variance with treatment means compared by Fisher's protected least significance difference test at P = 0.05. The test site has a history of fairy ring symptoms typically first appearing in Jun and persisting through Aug. The experiment was initiated on 27 Jun when fairy ring symptoms were beginning to appear within the fairway adjacent to the actual test area. Type I and II fairy ring symptoms were first observed in early Jul in association with hot and humid weather combined with dry soil conditions. A few basidiocarps found within the test site were identified as Agaricus campestris. On 12 Jul, a reduction in fairy ring symptoms was observed in all fungicide/soil surfactant-treated plots, regardless of application method. By 24 Jul, fairy ring symptoms were greatly reduced only from the injection treatments of the fungicide alone, fungicide + soil surfactant, or soil surfactant alone. Fairy ring symptoms were most severe in untreated plots during mid-Jul. On 24 Jul, higher levels of soil moisture were measured in those plots that were injected versus plots treated from the conventional spray method. Also on 24 Jul, those plots treated with the soil surfactant (either injection or conventional spray, and with the fungicide or alone) had a higher soil moisture content versus untreated plots. By mid-Aug through Sep, fairy ring symptoms dissipated in the test area and affected turf within the plots began to recover." |
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| Language: | English |
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| References: | 0 |
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| See Also: | Other items relating to: Fairy Rings |
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| Note: | Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fidanza, M. A., and S. J. McDonald. 2009. Injection of a fungicide and a soil surfactant for fairy ring control in perennial ryegrass, 2006. PDMR: Plant Dis. Manage. Rep. 3:p. T069. |
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| Web URL(s):
http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t69.asp
Last checked: 07/10/2013
Access conditions: Item is within a limited-access website
Notes: Report Summary
https://www.plantmanagementnetwork.org/pub/trial/pdmr/reports/2009/T069.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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