Full TGIF Record # 102045
Item 1 of 1
DOI:10.1111/j.1365-2494.1978.tb00805.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1978.tb00805.x/pdf
    Last checked: 03/13/2012
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Author(s):Hides, D. H.
Author Affiliation:Welsh Plant Breeding Station, Aberystwyth
Title:Winter hardiness in Lolium multiflorum Lam.: I. The effect of nitrogen fertilizer and autumn cutting managements in the field
Source:Journal of the British Grassland Society. Vol. 33, No. 2, June 1978, p. 99-105.
# of Pages:7
Publishing Information:Oxford: British Grassland Society
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1978.tb00805.x/abstract
    Last checked: 03/13/2012
    Notes: Abstract only
Keywords:TIC Keywords: Cold resistance; Lolium multiflorum; Defoliation; Nitrogen fertilization; Temperatures; Plant response; Winterkill
Abstract/Contents:"Four Italian ryegrass varieties of different origins and winter hardiness were grown as spaced plants at a lowland and an upland site and subjected to ten managements comprising two nitrogen levels and five autumn cutting treatments. Tiller mortality after the winter of 1971-72 was measured in March and subsequent spring recovery from winter damage in April. Although the winter was not severe, there was considerable winter kill, particularly at the upland site where the most severe treatment combinations killed up to 90% of the plants of the more susceptible varieties. In general, winter kill was increased by raising the level of nitrogen fertilizer and by late or frequent autumn defoliations, and significant interactions between locations and the two treatment factors emphasized the importance of the siting of the experiment. The varieties differed in their overall winter hardiness, with Bb 1430 and RvP suffering less tiller mortality than S22 and Grasslands Paroa in all the treatment combinations, but significant interactions of varieties with locations and cutting treatments revealed that the magnitude of the difference between varieties varied with location and cutting management. Regression analysis of these interactions, however, showed that the tiller mortality of all four varieties increased linearly with the increasing stresses applied by the location x management combinations. There was no differential variety recovery from winter kill, the spring yields being entirely related to the level of tiller mortality experienced. These results are discussed in relation to the breeding of winter hardy varieties, the choice of variety and autumn management practice."
Language:English
References:19
See Also:See also related article "Winter hardiness in Lolium multiflorum Lam: II. The effect of defoliation and nitrogen application as assessed by low temperature response in a controlled environment" Journal of the British Grassland Society, 33(3) September 1978, p. 175-179, R=5200 R=5200

See also related article "Winter hardiness in Lolium multiflorum Lam. III. Selection for improved cold tolerance and its effect on agronomic performance" Grass and Forage Science, 34(2) June 1979, p 119-124, R=200602 R=200602
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hides, D. H. 1978. Winter hardiness in Lolium multiflorum Lam.: I. The effect of nitrogen fertilizer and autumn cutting managements in the field. J. Br. Grassland Soc. 33(2):p. 99-105.
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DOI: 10.1111/j.1365-2494.1978.tb00805.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1978.tb00805.x/pdf
    Last checked: 03/13/2012
    Requires: PDF Reader
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