Full TGIF Record # 70950
Item 1 of 1
Publication Type:
Content Type:Abstract or Summary only
Author(s):Kraft, R. W.; Huang, B.; Keeley, S.
Author Affiliation:Kansas State University
Title:Heat tolerance in Kentucky bluegrass cultivars associated with abscisic acid sensitivity
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Minneapolis, MN: November 5-9, 2000
Source:2000 Annual Meeting Abstracts [ASA/CSSA/SSSA]. 2000, p. 154.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Heat resistance; Poa pratensis; Abscisic acid; Heat stress; Quality; Cultivar evaluation; Leaf water potential
Cultivar Names:Unique; Apollo; Northstar
Abstract/Contents:"This study evaluated the response of three Kentucky bluegrass cultivars to heat stress and the exogenous application of ABA. The cultivars that were used included 'Unique', 'Apollo['] and 'Northstar'. Four replicates of the following treatments were included: Heat stress (30-35 degrees Celsius), Heat stress + ABA, and Control (optimum temperature without ABA). Overall turf quality decreased for all three cultivars under heat stress. Plants sprayed with ABA showed further decrease in turf quality for 'Unique' and 'Apollo', but showed an increase for 'Northstar'. For all three cultivars the average relative water content of the leaves under heat stress + ABA was higher than those that were only under heat stress and lower than the control. Leaf water potential was highest under heat stress + ABA for all three cultivars. For both 'Northstar' and 'Unique' the control samples had the lowest osmotic potential and the heat + ABA samples had the highest, but 'Northstar' had a much broader range between the two. For 'Apollo', the heat treatment had the highest osmotic potential and the control and heat + ABA treatments were similar."
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kraft, R. W., B. Huang, and S. Keeley. 2000. Heat tolerance in Kentucky bluegrass cultivars associated with abscisic acid sensitivity. Annu. Meet. Abstr. p. 154.
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MSU catalog number: S 1 .A58
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