Full TGIF Record # 163705
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DOI:DOI:_10.1111/j.1365-2494.2009.00715.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2009.00715.x/full
    Last checked: 01/31/2014
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http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2009.00715.x/pdf
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Publication Type:
i
Refereed
Author(s):√ėstrem, L.; Rapacz, M.; J√łrgensen, M.; H√∂glind, M.
Author Affiliation:√ėstrem: Norwegian Institute for Agricultural and Environmental Research (Bioforsk), Fureneset, Hellevik i Fjaler, Norway; Rapacz: Department of Plant Physiology, University of Agriculture in Krakow, Krakow, Poland; J√łrgensen: Norwegian Institute for Agricultural and Environmental Research (Bioforsk), Holt, Troms√ł, Norway; H√∂glind: Norwegian Institute for Agricultural and Environmental Research (Bioforsk), Saerheim, Klepp, Norway
Title:Impact of frost and plant age on compensatory growth in timothy and perennial ryegrass during winter
Source:Grass and Forage Science. Vol. 65, No. 1, March 2010, p. 15-22.
# of Pages:8
Publishing Information:Oxford, Blackwell Scientific Publications
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2009.00715.x/abstract
    Last checked: 01/31/2014
    Notes: Abstract only
Keywords:TIC Keywords: Cold resistance; Cultivar evaluation; Dry weight; Frost injury; Growth analysis; Lolium perenne; Phleum pratense; Regrowth; Root weight; Seasonal variation
Abstract/Contents:"Two cultivars of each of two contrasting grass species, timothy (Phleum pratense L.) and perennial ryegrass (Lolium perenne L.), sown either in May or July, were sampled for dry matter (DM) weight of roots and herbage in late October (end of main growing season) and examined for regrowth when exposed to a frost treatment (-8 to -10¬įC in darkness for 48 h) in late January, early March and late April. The frost treatment caused compensatory root and herbage growth, and regrowth of roots in March and April was greater than regrowth of herbage. Early-sown plants had higher DM weights of roots and herbage than late-sown plants in October but had the lowest survival rate when exposed to the frost treatment in April. Compensatory growth of root and herbage in response to moderate frosts occurred in January and March in all cultivars, and in the most frost-resistant timothy cultivar in April. Concentration of total carbohydrates increased from October to March with the greatest increase in the most winter-hardy cultivar of each species, and then decreased in April. An indirect correlation between concentration of total carbohydrates and tolerance to moderate frost was indicated, and plant survival and ability for compensatory growth were also associated with differences in adaptation related to winter survival in the cultivars tested."
Language:English
References:30
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
√ėstrem, L., M. Rapacz, M. J√łrgensen, and M. H√∂glind. 2010. Impact of frost and plant age on compensatory growth in timothy and perennial ryegrass during winter. Grass Forage Sci. 65(1):p. 15-22.
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DOI: DOI:_10.1111/j.1365-2494.2009.00715.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2009.00715.x/full
    Last checked: 01/31/2014
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2009.00715.x/pdf
    Last checked: 01/31/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b4886304~S1a
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