Full TGIF Record # 7475
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1985.tb01759.x/epdf
    Last checked: 10/02/2015
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Publication Type:
i
Refereed
Author(s):Davies, D. A.; Jones, E. L.; Morgan, T. E. H.
Author Affiliation:Welsh Plant Breeding Station
Title:Comparison of the relative performance of perennial ryegrass varieties under upland and lowland conditions
Source:Grass and Forage Science. Vol. 40, No. 3, September 1985, p. 323-330.
Publishing Information:Oxford, Blackwell Scientific Publications
Keywords:TIC Keywords: Lolium perenne; Environment; Growth; Cold resistance
Abstract/Contents:"Productivity, seasonal growth and persistence of 10 perennial ryegrass (Lolium perenne L.) varieties were assessed at an upland (305 m) and lowland (30 m) site in mid-Wales. Averaged over 3 harvest years (1979-81), mean dry matter (DM) production at 8.8 t ha-1 was 22% lower in the upland environment with spring (April and May) growth showing greatest contrast varying from only 6% of that in the lowland in 1979, after a severe winter, to 113% in 1981. Relative ranking of varieties differed considerably between the two environments and no correlation was found between DM production at the two sites (r=0.5945). Early heading varieties performed better in the spring than late types at the upland site. A comparison of the results with those published from official variety testing trials gave a positive relationship under lowland conditions (r=0.7162) but no correlation with those from the upland centre (r=0.1969). The findings of the study show that relative productivity of varieties, but not persistency, differs between upland and lowland environments."
Language:English
References:20
Note:Tables
Figures
Geographic Terms:Wales
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Davies, D. A., E. L. Jones, and T. E. H. Morgan. 1985. Comparison of the relative performance of perennial ryegrass varieties under upland and lowland conditions. Grass Forage Sci. 40(3):p. 323-330.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1985.tb01759.x/epdf
    Last checked: 10/02/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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