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DOI: | 10.1111/j.1365-2494.1978.tb00817.x |
Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1978.tb00817.x/pdf Last checked: 03/21/2012 Requires: PDF Reader Access conditions: Item is within a limited-access website |
Author(s): | Hides, D. H. |
Author Affiliation: | Welsh Plant Breeding Station, Aberystwyth |
Title: | Winter hardiness in Lolium multiflorum Lam: II. The effect of defoliation and nitrogen application as assessed by low temperature response in a controlled environment |
Source: | Journal of the British Grassland Society. Vol. 33, No. 3, September 1978, p. 175-179. |
# of Pages: | 5 |
Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1978.tb00817.x/abstract Last checked: 03/21/2012 Notes: Abstract only |
Keywords: | TIC Keywords: Lolium multiflorum; Cold resistance; Defoliation; Nitrogen fertilization; Chemical composition; Carbohydrates; Nitrogen fertilizers; Plant response
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Abstract/Contents: | "The effect of defoliation and nitrogen application on the cold tolerance of 4 varieties of Italian ryegrass was assessed using controlled environment chambers. Both defoliation and Nitrogen fertilizer markedly reduced overall cold tolerance and this closely matched changes in winter hardiness induced by similar treatments applied to the same varieties in a field experiment. However, the relative response of individual varieties differed from that found under field conditions. Thus, RvP showed high levels of tolerance to low temperatures in the controlled environments and was also winter hardy under field tests; by contrast Bb 1430, although previously shown to be winter hardy in the field, exhibited low tolerance of cold stress in growth chambers. Thus, results obtained in controlled environment tests cannot be entirely equated to winter hardiness in the field. Water-soluble carbohydrate (WSC) levels were reduced by both defoliation and nitrogen application and there were significant overall differences between varieties. It was not possible, however, to detect any clear relationship between these differences in WSC levels and cold tolerance. The significance of these results in relation to the use of controlled environment chambers for selecting for improved winter hardiness is discussed." |
Language: | English |
References: | 13 |
See Also: | See also related article "Winter hardiness in Lolium multiflorm Lam.: I. The effect of nitrogen fertilizer and autumn cutting managements in the field, R=102045 R=102045
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 |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Hides, D. H. 1978. Winter hardiness in Lolium multiflorum Lam: II. The effect of defoliation and nitrogen application as assessed by low temperature response in a controlled environment. J. Br. Grassland Soc. 33(3):p. 175-179. |
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| DOI: 10.1111/j.1365-2494.1978.tb00817.x |
| Web URL(s): http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1978.tb00817.x/pdf Last checked: 03/21/2012 Requires: PDF Reader Access conditions: Item is within a limited-access website |
| MSU catalog number: SB 197 .B7 |
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