Full TGIF Record # 160230
Item 1 of 1
DOI:10.2135/cropsci2008.09.0544
Web URL(s):https://dl.sciencesocieties.org/publications/cs/articles/49/6/2261
    Last checked: 11/16/2016
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https://dl.sciencesocieties.org/publications/cs/pdfs/49/6/2261
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Publication Type:
i
Refereed
Author(s):Johnsen, Aaron R.; Horgan, Brian P.; Hulke, Brent S.; Cline, Van
Author Affiliation:Johnsen and Horgan: Dep. of Horticulture Science, Univ. of Minnesota, St. Paul, MN; Hulke: USDA-ARS-NCSL Sunflower Unit, Fargo, ND; Cline: The Toro Co., Bloomington, MN
Title:Evaluation of remote sensing to measure plant stress in creeping bentgrass (Agrostis stolonifera L.) fairways
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 49, No. 6, November/December 2009, p. 2261-2274.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:14
Related Web URL:https://dl.sciencesocieties.org/publications/cs/abstracts/49/6/2261
    Last checked: 11/16/2016
    Notes: Abstract only
Keywords:TIC Keywords: Agrostis stolonifera; Evapotranspiration; Golf fairways; Irrigation methods; Nitrogen fertility; Remote sensing; Stress; Volumetric water content; Water availability; Water conservation
Abstract/Contents:"Turfgrass irrigation strategies must be clearly defined in response to increasing concerns over quality water availability. Water conservation may be achieved with technologies such as remote sensing. The objectives of this research were to (i) correlate reflectance measurements from creeping bentgrass (Agrostis stolonifera L.) under stress with volumetric water content and turf quality measurements, (ii) determine if remote sensing can detect plant stress before visual observation, and (iii) explore the influence of nitrogen fertility on water stress detection. Four experiments were conducted in the 2006 and 2007 growing seasons on 3-m2 creeping bentgrass plots maintained under fairway conditions at the University of Minnesota agriculture campus. Treatments were irrigation at 20, 40, 60, and 80% of predicted evapotranspiration every 3 d on plots fertilized with 98 or 244 kg N ha-1 yr-1. Reflectance measurements from two remote sensors were more highly correlated (r = 0.73-0.91) than reflectance and turf quality (r = 0.42-0.71) or reflectance and volumetric water content (r = 0.28-0.64). Reflectance measurements detected water stress 0 to 48 h before visual observation across all treatments and experiments. Nitrogen did not influence the ability to detect drought-stressed turfgrass. Use of remote sensors to monitor and detect drought stress has the potential to improve turfgrass irrigation and ultimately conserve water."
Language:English
References:38
See Also:Other items relating to: Water Conservation - Golf
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnsen, A. R., B. P. Horgan, B. S. Hulke, and V. Cline. 2009. Evaluation of remote sensing to measure plant stress in creeping bentgrass (Agrostis stolonifera L.) fairways. Crop Sci. 49(6):p. 2261-2274.
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DOI: 10.2135/cropsci2008.09.0544
Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/49/6/2261
    Last checked: 11/16/2016
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/49/6/2261
    Last checked: 11/16/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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