Full TGIF Record # 129090
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Web URL(s):http://buckeyeturf.osu.edu/pdf/2007_Field_day_book_final2.pdf#page=45
    Last checked: 10/23/2007
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Publication Type:
Author(s):Street, J. R.; Holdren, D. D.
Author Affiliation:Department of Horticulture and Crop Science, The Ohio State University
Title:Nitrogen source, rate, timing/fungicide study - 2006
Meeting Info.:[Columbus, OH]: August 15, 2007
Source:2007 Turfgrass & Landscape Research Field Day:Proceedings [Ohio]. 2007, p. 34-40.
# of Pages:7
Publishing Information:[Columbus, OH]: The Ohio State University, Ohio State University Extension, The Ohio Agricultural Research and Development Center, and the Ohio Turfgrass Foundation
Keywords:TIC Keywords: Nitrogen fertility; Granular fertilizers; Application rates; Dollar spot; Application frequency; Clippings; Turf maintenance; Chlorothalonil; Foliar feeding; Disease control; Color evaluation; Quality evaluation; Disease severity; Fertilization; Agrostis stolonifera; Mowing
Cultivar Names:Lopez
Abstract/Contents:Presents a study conducted "to (1) determine the effect of various granular and liquid (foliar applied) nitrogen sources on dollar spot incidence and bentgrass color/quality, (2) evaluate these sources a various rates and frequencies (7-day versus 14-day application schedules and (3) determine the latter interactions on dollar spot incidence, fungicide efficacy, reduced fungicide rates and extended fungicide application intervals." Details the materials and methods used in the study, stating that "the study consists of 13 treatments: four nitrogen sources, three nitrogen rates, two application methods (foliar and granular), and untreated." States that "there exists a very positive relationship between DS [dollar spot] control/suppression, N [nitrogen] sources, N rate, application frequency, and application method." Reports that for granular nitrogen sources with no fungicide, "DS incidence/occurrence was severe with both N sources." Also reports that for granular nitrogen sources with fungicide "DS severity between the urea (g) at the 0.25 lb N/M 14-day frequency and urea (sp) foliarly applied at 0.125 lb N/M 7 day frequency with or without fungicide showed no consistent difference."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Street, J. R., and D. D. Holdren. 2007. Nitrogen source, rate, timing/fungicide study - 2006. 2007 Turfgrass & Landscape Research Field Day:Proceedings [Ohio]. p. 34-40.
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    Last checked: 10/23/2007
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    Notes: CAUTION Item is within a single large file!
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MSU catalog number: SB 433.16 .O3 O45
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