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| Web URL(s): | http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t64.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/T064.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.;
Gregos, J. S.;
Aynardi, B.;
Hudson, D. |
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| Author Affiliation: | Fidanza and Aynardi: Pennsylvania State University, Reading, Pennsylvania; Gregos: GEC Turfgrass Consulting, Moon Township, Pennsylvania; Hudson: Bellewood Golf Club, North Coventry, Pennsylvania |
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| Title: | Evaluation of fungicides and water-carrier droplet size for dolalr spot control in creeping bentgrass, 2006 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T064. |
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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: Agrostis stolonifera; Comparisons; Disease control; Dollar spot; Droplet size; Fungicide efficacy; Fungicide evaluation; Sclerotinia homoeocarpa
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| Cultivar Names: | PennTrio |
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| Abstract/Contents: | "The field experiment was conducted on a creeping bentgrass fairway (Bellewood Golf Club, North Coventry, PA) subjected to routine maintenance at 0.450-in. mowing height with a reel mower, and clippings not removed. Soil pH was 6.6 with 2.4% organic matter at this silt loam native soil site. All treatments were applied with a CO2-powered backpack sprayer pressured to 40 psi and calibrated to deliver 1.0 gal water-carrier per 1000 sq ft from two nozzles spaced 18-in. apart. 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, nozzle types and the water droplet sizes they produce, and application calendar dates are listed in the table. Dollar spot was visually evaluated by counting the number of active S. Homoeocarpa infection centers per plot, and data were subjected to analysis of variance with treatment means compared by Fisher's protected least significance difference test at P = 0.05. The experiment was initiated on 2 Jun with no disease symptoms present, and natural infestations of dollar spot were first observed in early Jul. All treatments were last applied on 11 Jul, and therefore data represents plot ratings from 11 Jul through 15 Aug or 35 days after the last treatment. Best residual dollar spot control from Daconil (contact mode of activity) or Headway (acropetal systemic mode of activity) was observed in those plots applied through a nozzle that produced medium or coarse water droplets. Effective fungicide distribution and coverage upon the turf canopy may have been compromised by delivery in fine water droplets that are often too susceptible to drift as well as delivery in extremely coarse or "raindrop"-size water droplets that do not provide uniform or complete coverage of the turf canopy." |
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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):
Fidanza, M. A., J. S. Gregos, B. Aynardi, and D. Hudson. 2009. Evaluation of fungicides and water-carrier droplet size for dolalr spot control in creeping bentgrass, 2006. PDMR: Plant Dis. Manage. Rep. 3:p. T064. |
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| Web URL(s):
http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t64.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/T064.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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