Full TGIF Record # 103014
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DOI:10.1046/j.1365-2494.2003.00384.x
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2494.2003.00384.x/full
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Publication Type:
i
Refereed
Author(s):Elgersma, A.; Ellen, G.; van der Horst, H.; Muuse, B. G.; Boer, H.; Tamminga, S.
Author Affiliation:Elgersma: Department of Plant Sciences, Graduate School Production Ecology and Resource Conservation, Wageningen University, Wageningen, The Netherlands; Elle, and Muuse: NIZO Food Research, Ede, The Netherlands; and Van der Horst, Boer, Tamminga: Department of Animal Sciences, Graduate School Wageningen Institute for Animal Sciences, Wageningen University, Wageningen, The Netherlands
Title:Influence of cultivar and cutting date on the fatty acid composition of perennial ryegrass (Lolium perenne L.)
Source:Grass and Forage Science. Vol. 58, No. 3, September 2003, p. 323-331.
# of Pages:9
Publishing Information:Oxford, Blackwell Scientific Publications
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2494.2003.00384.x/abstract
    Last checked: 02/07/2014
    Notes: Abstract only
Keywords:TIC Keywords: Cultivar evaluation; Fatty acids; Lolium perenne; Chromatography; Forage; Lipids; Yield response
Cultivar Names:Barlet; Magella; AberGold; Respect; Agri; Herbie; Barezane; Barnhem
Abstract/Contents:"Two experiments were conducted to evaluate the effects of cultivar and season on the fatty acid (FA) composition of the lipids of perennial ryegrass (Lolium perenne L.). Eight diploid cultivars were cut at the same target yield of approximately 2000 kg dry matter ha-1 between mid-June and mid-September. Two cultivars (Barlet and Magella) were harvested during four 2-week periods and six cultivars (AberGold, Respect, Agri, Herbie, Barezane and Barnhem; cultivars 1-6) during three periods. The concentrations of individual FA were determined by gas chromatography. Barlet had higher concentrations of linolenic acid (C18:3) than Magella, but lower concentrations of linoleic acid (C18:2). Cultivars 1-6 were more variable in their leaf blade and stem proportions than Barlet and Magella. Despite this, there was no difference between cultivars 1-6 in the FA composition of the herbage. On average 0·74 of the FA consisted of C18:3. Higher concentrations of total FA were found in mid-summer than in early summer. This was related to a high leaf blade proportion in the herbage, indicating that the proportion of leaf and stem of the herbage probably had more effect on lipid concentrations than the season per se in this period. However, in late August and mid-September, the total FA concentration declined whereas the leaf blade proportion increased. Therefore, in this period environmental factors appeared to have a modifying effect. As consistent differences in the concentration of C18:3 were found among cultivars Barlet and Magella throughout the season, these studies demonstrate opportunitites to change the composition of ruminant products through the choice of cultivars of perennial ryegrass."
Language:English
References:16
Note:Corrected tables appear in Grass and Forage Science, March 2004, 59 (1), p. 104-105 for Table 4 and Table 5.
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Elgersma, A., G. Ellen, H. van der Horst, B. G. Muuse, H. Boer, and S. Tamminga. 2003. Influence of cultivar and cutting date on the fatty acid composition of perennial ryegrass (Lolium perenne L.). Grass Forage Sci. 58(3):p. 323-331.
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DOI: 10.1046/j.1365-2494.2003.00384.x
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2494.2003.00384.x/full
    Last checked: 02/07/2014
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1046/j.1365-2494.2003.00384.x/pdf
    Last checked: 02/07/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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