Full TGIF Record # 135467
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DOI:10.21273/HORTSCI.43.2.519
Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/43/2/article-p519.xml?rskey=C0D42Q
    Last checked: 11/20/2019
    Requires: PDF Reader
Publication Type:
i
Refereed
Author(s):McCann, Stephen E.; Huang, Bingru
Author Affiliation:Department of Plant Biology, Cook College, Rutgers University, New Brunswick, New Jersey
Title:Evaluation of drought tolerance and avoidance traits for six creeping bentgrass cultivars
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 43, No. 2, April 2008, p. 519-524.
# of Pages:6
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Drought resistance; Agrostis stolonifera; Variety trials; Cultivar variation; Physiological responses; Performance; Water use rate
Cultivar Names:Penn A-4; Independence; Declaration; L-93; Penncross; Putter
Abstract/Contents:"The objectives of this study were: 1) to compare drought responses between the more recently developed creeping bentgrass cultivars to standard cultivars and 2) to determine differential drought tolerance and avoidance characteristics associated with cultivar variation in drought resistance. Six cultivars of creeping bentgrass (Agrostis stoloniferia) ('Penn A-4', 'Independence', 'Declaration', 'L-93', 'Penncross', and 'Putter') were maintained in growth chambers at 20 °C day/15 °C night either well-watered or exposed to drought stress by withholding water for 17 days. Cultivars varied in turf performance and physiological responses (leaf relative water content and photochemical efficiency) to drought stress, which was reflected in their differences in drought tolerance (osmotic adjustment) and drought avoidance traits (water use rate and efficiency, root viability, root length, and number). 'Penn A-4', 'Independence', and 'L-93' generally performed better than other three cultivars under drought conditions, mainly through maintaining higher water use efficiency, root viability, root elongation, or root production. The majority of physiological parameters evaluated suggested that of the six creeping bentgrass cultivars examined in this study, the three cultivars with better ability to survive drought stress used mainly avoidance traits related to water use and water uptake."
Language:English
References:34
Note:Graphs
See Also:Other items relating to: Disasters - Drought
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McCann, S. E., and B. Huang. 2008. Evaluation of drought tolerance and avoidance traits for six creeping bentgrass cultivars. HortScience. 43(2):p. 519-524.
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DOI: 10.21273/HORTSCI.43.2.519
Web URL(s):
https://journals.ashs.org/hortsci/view/journals/hortsci/43/2/article-p519.xml?rskey=C0D42Q
    Last checked: 11/20/2019
    Requires: PDF Reader
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