Full TGIF Record # 63545
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Garling, D. C.; Rimelspach, J. W.; Street, J. R.; Boehm, M. J.
Author Affiliation:The Ohio State University, Columbus
Title:The impact of foliar nitrogen concentration on dollar spot severity and turfgrass quality
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 135.
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
# of Pages:1
Keywords:TIC Keywords: Dollar spot; Disease severity; Quality; Nitrogen; Agrostis stolonifera; Poa annua; Nitrogen fertilization; Inorganic fertilizers; Composts; Comparisons; Clipping weight; Visual evaluation; Color; Density
Abstract/Contents:"The objective of this study was to relate foliar nitrogen concentration to turfgrass quality and dollar spot severity over time. Nine year old creeping bentgrass/annual bluegrass field plots have been maintained at 1.27 cm. since fall 1996. Nitrogen fertilizer was supplied as either an inorganic complete fertilizer, compost, or a combination of the two. Clippings yields were collected at regular intervals throughout the growing season and analyzed for total N. Visual assessments of turf quality were made based on color and density with a 1-9 scale and via the use of multispectral radiometry. Dollar spot severity was assessed with a grid and digital image analysis. The relationships between foliar N concentration irrespective of N source to both turfgrass quality and dollar spot severity were determined. The relative contribution of the compost and inorganic fertilizer to foliar N was also investigated."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Garling, D. C., J. W. Rimelspach, J. R. Street, and M. J. Boehm. 1999. The impact of foliar nitrogen concentration on dollar spot severity and turfgrass quality. Annu. Meet. Abstr. 91:p. 135.
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