Full TGIF Record # 142705
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DOI:10.2135/cropsci2008.01.0034
Web URL(s):https://dl.sciencesocieties.org/publications/cs/pdfs/48/6/2429
    Last checked: 11/16/2016
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https://dl.sciencesocieties.org/publications/cs/articles/48/6/2429
    Last checked: 11/16/2016
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Richardson, Michael D.; Karcher, Douglas E.; Hignight, Kenneth; Rush, Debra
Author Affiliation:Richardson, Karcher: Department of Horticulture, University of Arkansas, Fayetteville, Arkansas; Hignight, Rush: Nexgen Seed Research, Albany, Oregon
Title:Drought tolerance and rooting capacity of Kentucky bluegrass cultivars
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 48, No. 6, November/December 2008, p. 2429-2436.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:8
Related Web URL:https://dl.sciencesocieties.org/publications/cs/abstracts/48/6/2429
    Last checked: 11/16/2016
    Notes: Abstract only
Keywords:TIC Keywords: Drought resistance; Rooting capacity; Poa pratensis; Variety trials; Cultivar variation; Root-shoot ratio; Root growth; Shoot growth; Drought recovery; Drought stress; Growth studies
Abstract/Contents:As freshwater resources for turfgrass irrigation become more limited, the development of drough-tolerant turf cultivars will be of great value to turf managers. The objective of the following research was to evaluate the field drough tolerance of Kentucky bluegrass (Poa pratensis L.) cultivars and compare their drought tolerance to rooting capacity. Fifty bluegrass entries were established in the field in Albany, OR and evaluated during drought stress (irrigation withheld) events in 2005 and 2006. Drought tolerance was measured, using digital image analysis, as the number of days until a cultivar reached 50% green tissue. In both years, there was a wide range of cultivar responses to drought, with some cultivars losing 50% green tissue 23 d after irrigation was withheld, while others maintained 50% green tissue up to 45 d after irrigation was withheld. Several cultivars, including Mallard, Moonlight, Prosperity, SR2284, Brilliant, and Diva, demonstrated significantly better drought tolerance than other cultivars. Twenty of the cultivars tested under field conditions were also screened for shoot and root growth in a greenhouse study. There was no correlation between shoot growth, root growth, or root:shoot rations when compared to drought responses in the field. These results demonstrate that there is wide variability in drought tolerance of bluegrasses but factors other than rooting capacity appear to be responsible for those differences.
Language:English
References:22
See Also:Other items relating to: Disasters - Drought
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Richardson, M. D., D. E. Karcher, K. Hignight, and D. Rush. 2008. Drought tolerance and rooting capacity of Kentucky bluegrass cultivars. Crop Sci. 48(6):p. 2429-2436.
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DOI: 10.2135/cropsci2008.01.0034
Web URL(s):
https://dl.sciencesocieties.org/publications/cs/pdfs/48/6/2429
    Last checked: 11/16/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/articles/48/6/2429
    Last checked: 11/16/2016
    Access conditions: Item is within a limited-access website
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