Full TGIF Record # 112990
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DOI:10.2135/cropsci2006.01-0043
Web URL(s):https://dl.sciencesocieties.org/publications/cs/articles/46/4/1779
    Last checked: 11/16/2016
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https://dl.sciencesocieties.org/publications/cs/pdfs/46/4/1779
    Last checked: 11/16/2016
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Publication Type:
i
Refereed
Author(s):DaCosta, Michelle; Huang, Bingru
Author Affiliation:Department of Plant Biology and Pathology, Rutgers University, New Brunswick, New Jersey
Title:Deficit irrigation effects on water use characteristics of bentgrass species
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 46, No. 4, July/August 2006, p. 1779-1786.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:8
Keywords:TIC Keywords: Irrigation practices; Comparisons; Water use; Soil water; Agrostis tenuis; Agrostis stolonifera; Agrostis canina; Soil water depletion; Evapotranspiration rate; Evapotranspiration
Abstract/Contents:"This study was designed to determine the effects of deficit irrigation on water use traits of colonial (Agrostis capillaries L.), creeping (A. stolonifera L.), and velvet (A. canina L.) bentgrasses and to compare their water use. Field experiments were conducted from July to November in 2002 and 2003. Plots were irrigated at four levels of irrigation based on the percentage of actual evapotranspiration (ETa): 100, 80, 60, and 40% ETa replacement. The influence of deficit irrigation on water use was evaluated by measuring soil water depletion (SWD) and water use efficiency (WUE). The WUE was quantified by the ratio of canopy net photosynthetic rate to transpiration rate and carbon isotope discrimination (CID). Evapotranspiration (ET) rates were compared among the three species under nonlimiting moisture conditions (100% ETa). Our results demonstrated that water use characteristics varied with species, irrigation regime, and climatic conditions. Irrigating at either 60 or 80% ETa had no significant effects on WUE compared with 100% ETa irrigation; however, plots irrigated at 60% ETa exhibited higher SWD compared with plots at 80 and 100% ETa. Velvet bentgrass exhibited lower SWD, higher WUE, and lower CID compared with colonial bentgrass during the summer treatment period, and creeping bentgrass exhibited intermediate water use characteristics among the three species. These results suggest that irrigating bentgrass species at 60 to 80% ETa could be practiced to increase WUE during summer and 40% ETa during fall months under the conditions of this study."
Language:English
References:39
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
DaCosta, M., and B. Huang. 2006. Deficit irrigation effects on water use characteristics of bentgrass species. Crop Sci. 46(4):p. 1779-1786.
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DOI: 10.2135/cropsci2006.01-0043
Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/46/4/1779
    Last checked: 11/16/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/46/4/1779
    Last checked: 11/16/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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