Full TGIF Record # 94790
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DOI:10.1046/j.1469-8137.2004.01024.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2004.01024.x/pdf
    Last checked: 01/17/2014
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http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2004.01024.x/pdf
    Last checked: 01/17/2014
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Publication Type:
i
Refereed
Author(s):Rapacz, Marcin; Gasior, Dagmara; Zwierzykowski, Zbigniew; Lesniewska-Bocianowska, Agnieszka; Humphreys, Michael W.; Gay, Alan P.
Author Affiliation:Rapacz and Gasior: Agricultural University of Cracow, Faculty of Agriculture and Economics, Department of Plant Physiology, Kraków, Poland; Zwierzykowski and Lesniewska-Bocianowska: Institute of Plant Genetics, Polish Academy of Sciences, Poznañ, Poland; Humphreys and Gay: Institute of Grassland and Environmental Research, Ceredigion, United Kingdom
Title:Changes in cold tolerance and the mechanisms of acclimation of photosystem II to cold hardening generated by anther culture of Festuca pratensis x Lolium multiflorum cultivars
Source:New Phytologist. Vol. 162, No. 1, April 2004, p. 105-114.
Publishing Information:Oxford, England: Blackwell Publishing, for the New Phytologist Trust
# of Pages:10
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2004.01024.x/abstract
    Last checked: 01/17/2014
    Notes: Abstract only
Keywords:TIC Keywords: Festuca pratensis; Lolium multiflorum; Hybrids; Crosses; Photosynthesis; Cold resistance; Acclimatization
Abstract/Contents:"Mechanisms of photosynthetic acclimation to cold were investigated on androgenic plants generated from Festuca pratensis x Lolium multiflorum (4x) cultivars Felopa and Sulino and on parental material. Photosynthetic acclimation and resistance to high-light induced inactivation of PSII at low temperature were studied using chlorophyll fluorescence techniques in relation to winter hardiness, frost resistance and cold acclimation in field and controlled conditions. In the field increased energy dissipation before winter through a lower maximum quantum yield of PSII was correlated with improved winter survival of these genotypes. In controlled conditions winter hardy plants were more resistant to cold-induced inactivation of PSII. During cold acclimation of winter hardy plants nonphotochemical quenching (NPQ) increased, except in one genotype where photochemical quenching increased. The use of androgenic lines revealed gene combinations that determined alternative photoinhibition avoidance mechanisms in the parental genome. Increased dissipation of light energy is an alternative process to the increased photosynthetic capacity reported previously to be the main mechanism of photosynthetic acclimation to cold in herbaceous Poaceae."
Language:English
References:31
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Rapacz, M., D. Gasior, Z. Zwierzykowski, A. Lesniewska-Bocianowska, M. W. Humphreys, and A. P. Gay. 2004. Changes in cold tolerance and the mechanisms of acclimation of photosystem II to cold hardening generated by anther culture of Festuca pratensis x Lolium multiflorum cultivars. New Phytol. 162(1):p. 105-114.
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DOI: 10.1046/j.1469-8137.2004.01024.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2004.01024.x/pdf
    Last checked: 01/17/2014
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8137.2004.01024.x/pdf
    Last checked: 01/17/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: QK 1 .N38
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