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| Web URL(s): | http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t63.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/T063.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 a fungicide, soil surfactants, and nozzle type for control of dollar spot in creeping bentgrass, 2006 |
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| Source: | PDMR: Plant Disease Management Reports. Vol. 3, 2009, p. T063. |
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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; Disease control; Dollar spot; Equipment evaluation; Fungicide evaluation; Nozzle tip size; Sclerotinia homoeocarpa; Surfactants
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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 normal maintenance practices and routine mowing at 0.450-in. cutting height with a reel mower, and clippings not removed. Soil pH was 6.5 with 2.3% organic matter at this silt loam native soil site. All treatments were applied with a CO2 backpack sprayer pressured to 40 psi to deliver 1.0 gal water-carrier per 1,000 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 application calendar dates are listed in the table. Dollar spot was visually assessed 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. Natural infestations of dollar spot were first observed in early Jul. All treatments were last applied on 11 Jul, and therefore the data table represents plot ratings from 11 Jul through 15 Aug or 35 days after the last treatment. Best residual dollar spot control from the fungicide (Headway) was observed when applied alone or in a tank-mix combination with either soil surfactant (Revolution or Tricure) delivered through an AI TeeJet or XR TeeJet nozzle, and residual dollar spot control from Headway was not compromised or reduced when applied in a tank-mix with either soil surfactant. Both the AI TeeJet and XR TeeJet produce a flat-fan spray pattern and a very coarse to medium water droplet size, respectively. The Delavan Raindrop nozzle produces an extremely coarse water droplet in a hollow-cone spray pattern, and therefore fungicide coverage upon the turf canopy from this nozzle may not be as effective and uniform compared to the AI TeeJet or XR TeeJet flat-fan nozzles. The application of Headway through the Delavan Raindrop nozzle, however, resulted in improved residual dollar spot control when tank-mixed with either soil surfactant versus applying the fungicide alone." |
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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 a fungicide, soil surfactants, and nozzle type for control of dollar spot in creeping bentgrass, 2006. PDMR: Plant Dis. Manage. Rep. 3:p. T063. |
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| Web URL(s):
http://www.plantmanagementnetwork.org/pub/trial/pdmr/volume3/abstracts/t63.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/T063.pdf
Last checked: 11/11/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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