Full TGIF Record # 42367
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1997.tb02374.x/epdf
    Last checked: 10/02/2015
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Publication Type:
i
Refereed
Author(s):Oldenburg, E.
Author Affiliation:Institute of Grassland and Forage Research, Federal Agricultural Research Centre Braunschweig- Vijolkenrode (FAL), Germany
Title:Endophytic fungi and alkaloid production in perennial ryegrass in Germany
Source:Grass and Forage Science. Vol. 52, No. 4, December 1997, p. 425-431.
# of Pages:7
Publishing Information:Oxford, Blackwell Scientific Publications
Keywords:TIC Keywords: Endophytes; Climatic factors; Lolium perenne; Population dynamics
Abstract/Contents:"Infection with Neotyphodium endophyte was detected in 33 of 38 ecotype populations of Lolium perenne originating from old grassland at four widespread sites in Germany. The frequency of individual infected plants of the different populations ranged mostly from 1% to 30%; a few populations showed higher infection levels, up to 80%. The contribution of endophyte-positive plants to the biomass of the original swards was estimated to range from 1% to 34%. Concentrations of the indole alkaloid lolitrem B detected in the endophyte-positive German ecotypes were similar to those in the endophyte-positive cultivars 'Ellett' and 'Grasslands Nui' originating in New Zealand, when all were cultivated under the climatic conditions of northern Germany. A seasonal variation in lolitrem B concentrations, 0.8 -1.4 mg kg⁻¹ dry matter of herbage, were recorded during the months of July and August. These concentrations were not considered to be sufficient to induce 'ryegrass staggers', a neurological disorder in grazing animals. It is concluded that further research is necessary to elucidate the implications of grass endophytes under the climatic conditions of Central Europe."
Language:English
References:33
Note:Tables
Figures
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Oldenburg, E. 1997. Endophytic fungi and alkaloid production in perennial ryegrass in Germany. Grass Forage Sci. 52(4):p. 425-431.
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Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1997.tb02374.x/epdf
    Last checked: 10/02/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: SB 197 .B7
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