Full TGIF Record # 63858
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Bushoven, J. T.; Jiang, Z.; Hull, R. J.
Author Affiliation:University of Rhode Island
Title:Variation in nitrate reductase activity among cultivars of creeping bentgrass and perennial ryegrass
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. 139.
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
# of Pages:1
Keywords:TIC Keywords: Enzyme activity; Nitrate reductase; Agrostis stolonifera; Lolium perenne; Variations; Nitrogen; Metabolism; Comparisons; National Turfgrass Evaluation Program; Measurement
Abstract/Contents:"Cultivar selection is a critical step in turfgrass management programs. Currently selection for N use efficient cultivars has relied upon performance based data obtained from the National Turfgrass Evaluation Program (NTEP). The objective of this study was to provide a metabolic basis for this selection, focusing on the reduction of nitrate to nirtite since this step has been determined to be rate limiting in turfgrass N assimilation. For this study, turf cultures were grown in a N-free Hoagland's nutrient solution supplemented with 1mM NaNO(@3)(^-). The Nitrate Reductase activity (NRA) in 9 Creeping bentgrass (Agrostris palustris) and 9 Perennial ryegrass (Lolium perrene) cultivars was compared using a modified in vivo assay. Significant differences in NRA were found among cultivars of both species and these data will be utilized to ascertain if a relationship exits between our metabolic data and those of NTEP evaluations."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bushoven, J. T., Z. Jiang, and R. J. Hull. 1999. Variation in nitrate reductase activity among cultivars of creeping bentgrass and perennial ryegrass. Annu. Meet. Abstr. 91:p. 139.
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