Full TGIF Record # 183029
Item 1 of 1
DOI:10.1111/j.1744-697X.2011.00214.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1744-697X.2011.00214.x/full
    Last checked: 06/13/2011
    Requires: PDF Reader
Publication Type:
i
Report
Author(s):Soliman, Wagdi Saber; Fujimori, Masahiro; Tase, Kazuhiro; Sugiyama, Shu-ichi
Author Affiliation:Soliman and Sugiyama: Faculty of Agriculture and Life Science, Hirosaki University, Hirosaki, Japan; Fujimori: Yamanashi Dairy Research Station, Nagasaki, Yamanashi, Japan; Tase: National Agricultural Research Center for Hokkaido Region, Sapporo, Japan
Title:Oxidative stress and physiological damage under prolonged heat stress in C3 grass Lolium perenne
Source:Grassland Science. Vol. 57, No. 2, June 2011, p. 101-106.
# of Pages:6
Publishing Information:Oxford, England: Blackwell Pub.
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1744-697X.2011.00214.x/abstract
    Last checked: 06/13/2011
    Notes: Abstract only
Keywords:TIC Keywords: Heat resistance; Heat stress; Hydrogen peroxide; Lolium perenne; Physiological responses; Scorch; Variety trials
Abstract/Contents:"Improving tolerance to heat stress is a major challenge in many C3 crops given the threat of global warming. Populations of perennial ryegrass (Lolium perenne L.) tolerant and sensitive to summer stress in the field were exposed to moderately high temperature stress (36°C) or high temperature stress (40°C). Physiological damage (maximal efficiency of photosystem II, cell membrane stability and lipid peroxidation) and contents of hydrogen peroxide (H2O2) in leaves were monitored during the exposure to stress. The tolerant populations showed significantly lower degree of physiological damage than the sensitive one only at moderate levels of stress (36°C); the tolerant population had significantly lower amounts of H2O2 in leaves. The accumulated H2O2 content showed a linear relationship with the extent of physiological damage. These results suggest that population difference in heat tolerance is associated with tolerance to oxidative stress and the difference in sensitivity is due to accumulation of H2O2 rather than tolerance to H2O2."
Language:English
References:27
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Soliman, W. S., M. Fujimori, K. Tase, and S.-i. Sugiyama. 2011. Oxidative stress and physiological damage under prolonged heat stress in C3 grass Lolium perenne. Grassland Science. 57(2):p. 101-106.
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DOI: 10.1111/j.1744-697X.2011.00214.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1744-697X.2011.00214.x/full
    Last checked: 06/13/2011
    Requires: PDF Reader
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MSU catalog number: b4979016~S1a
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