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| DOI: | 10.1111/j.1365-2494.2010.00762.x |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2010.00762.x/full
Last checked: 11/17/2010
Access conditions: Item is within a limited access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2010.00762.x/pdf
Last checked: 11/17/2010
Requires: PDF Reader
Access conditions: Item is within a limited access website |
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| Publication Type:
| Refereed |
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| Author(s): | Höglind, M.;
Bakken, A. K.;
Jørgensen, M.;
Østrem, L. |
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| Author Affiliation: | Höglind: Sæheim, Klepp; Bakken: Kvithamar, Stjørdal; Jørgensen: Holt, Tromsø; Østrem: Fureneset, Hellevik i Fjaler, Norwegian Institute for Agriculture and Enviornmental Research (Bioforsk), Norway; Jørgensen: University of Tromsø, Tromsø, Norway |
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| Title: | Tolerance to frost and ice encasement in cultivars of timothy and perennial ryegrass during winter |
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| Source: | Grass and Forage Science. Vol. 65, No. 4, December 2010, p. 431-445. |
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| Publishing Information: | Oxford, Blackwell Scientific Publications |
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| # of Pages: | 15 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2010.00762.x/abstract
Last checked: 11/17/2010
Notes: Abstract only |
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| Keywords: | TIC Keywords: Frost resistance; Ice cover; Ice injury; Lolium perenne; Mechanism of resistance; Phleum pratense; Plant metabolism; Water soluble carbohydrates
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| Abstract/Contents: | "Ice encasement causes major winter damage in grasslands in coastal areas of Northern Scandinavia and may also affect grass performance in a future changing climate. Changes in ice-encasement tolerance (LD50), frost tolerance (LT50) and water-soluble carbohydrate (WSC) content were investigated in different cultivars of timothy and perennial ryegrass sampled at three sites with contrasting conditions. Timothy endured ice encasement for 40 d more than ryegrass (maximum LD50 63 vs. 20 d), and a cultivar originating from 69°N tolerated significantly longer periods in ice than a cultivar from 59°N. A similar relationship between cultivar origin and tolerance was observed for ryegrass. The higher LD50 in timothy compared with ryegrass seemed to be associated with a lower rate of change in WSC content during ice encasement, but no apparent relationship was found between WSC content at the start of encasement and plant survival in ice. A significant linear relationship was found between LD50 and LT50 of plants sampled in the field. A differing decline in frost tolerance during ice encasement for the species indicated that timothy is more resistant to dehardening under ice than ryegrass. This study contributes data and functional relationships needed to develop models of grass performance during winter." |
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| Language: | English |
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| References: | 44 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Höglind, M., A. K. Bakken, M. Jørgensen, and L. Østrem. 2010. Tolerance to frost and ice encasement in cultivars of timothy and perennial ryegrass during winter. Grass Forage Sci. 65(4):p. 431-445. |
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| DOI: 10.1111/j.1365-2494.2010.00762.x |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2010.00762.x/full
Last checked: 11/17/2010
Access conditions: Item is within a limited access website
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.2010.00762.x/pdf
Last checked: 11/17/2010
Requires: PDF Reader
Access conditions: Item is within a limited access website |
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MSU catalog number: b4886304 |
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