Full TGIF Record # 144311
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Web URL(s):http://archive.lib.msu.edu/tic/ressum/2008/82.pdf
    Last checked: 01/23/2017
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Publication Type:
Author(s):Dernoeden, Peter; Settle, Derek
Author Affiliation:Dernoeden: University of Maryland; Settle: Chicago District Golf Association
Title:Evaluation of cytokinian plant extract biostimulants, iron and nitrogen products for their effect on creeping bentgrass summer quality
Section:Product testing
Other records with the "Product testing" Section
Source:2008 Turfgrass and Environmental Research Summary. 2008, p. 82-83.
# of Pages:2
Publishing Information:Far Hills, NJ: United States Golf Association
Keywords:TIC Keywords: Cytokinins; Biostimulants; Plant extracts; Iron; Nitrogen; Agrostis stolonifera; Quality evaluation; Fertilization program; Color evaluation; Visual evaluation
See Also:Other Reports from this USGA research project: 2007-27-368
Note:Pictures, color
USGA Summary Points:Early in the season in MD, IronRoots, Knife, Lesco 12-0-0, Ultraplex, and treatments containing urea improved turf color and quality compared to the control and often provided for enhancement of color and quality to a high level. In IL, differences among treatments became evident in July. Both Ultraplex and Lesco 12-0-0 consistently improved turf quality and color compared to the control, whereas Knife had provided no apparent beneficial effect in IL. When data were averaged over the season in both IL and MD, urea alone and treatments containing urea generally provided for best summer quality, but there were no differences among plots treated with urea alone or mixed with biostimulants. Urea alone and treatments containing urea helped to mitigate scalping injury. When data were averaged over the 2008 season, Lesco 12-0-0 (IL) and Ultraplex (IL and MD) improved quality compared to the control; whereas, IronRoots, Knife, PanaSea Plus, and Roots Concentrate did not improve quality at either location. Any potential visual benefits from the biostimulants were masked by the presence of Fe or N in Knife and IronRoots or by the N in urea when tank-mixed with Roots Concentrate or PanaSea Plus. PanaSea Plus and Roots Concentrate, which do not contain Fe or N, had only a small impact on turf color and quality, and did not improve quality above the minimum acceptable level on most rating dates after early July in MD and mid-August in IL. NDVI color ratings were consistently highest in plots treated with urea, IronRoots + urea, Roots Concentrate + urea, and PanaSea Plus + urea in IL (2007 and 2008) and MD (2008). Iron generally had little or no effect on color as measured by NDVI.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dernoeden, P., and D. Settle. 2008. Evaluation of cytokinian plant extract biostimulants, iron and nitrogen products for their effect on creeping bentgrass summer quality. Turfgrass Environ. Res. Summ. p. 82-83.
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    Last checked: 01/23/2017
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MSU catalog number: SB 433 .A1 A6
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