Full TGIF Record # 97290
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Web URL(s):http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2003.pdf#page=93
    Last checked: 12/10/2013
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Nielsen, Patricia M.; Wilson, Robert G.
Author Affiliation:Nielsen: Research Assistant; and Wilson: Professor, University of Nebraska, Scottsbluff, Nebraska
Title:Seasonal changes in glucose, fructose, sucrose, and fructans in the leaves, shoots, and roots of quackgrass
Section:Basic science (project 6)
Other records with the "Basic science (project 6)" Section
Meeting Info.:Coeur D'Alene, ID: March 12-15, 2001
Source:Proceedings of the Western Society of Weed Science. Vol. 56, 2003, p. 91.
# of Pages:1
Publishing Information:Newark, CA: Western Society of Weed Science
Keywords:TIC Keywords: Elymus repens; Time-of-year; Glucose; Fructose; Sucrose; Fructans; Leaves
Abstract/Contents:"Laboratory and field studies were conducted to develop methods for characterization of glucose, fructose, sucrose, and fructans in the leaves, shoots, and roots of quackgrass. Plants were collected each month from July through Febraury. Quackgrass plants were removed from the soil to a depth of 25cm. Soil was washed from plants with water and plants were allowed to air dry. Plants were divided into leaves, shoots, and roots and a composite sample of plant materials from plants was combined and processed in juicer. Juice extracts were diluted with deionized water and filtered through a 0.45 m filter befor analysis. Carbohydrates were characterized using high performance anion exchange chromatography combined with pulsed amperometric detection with a Dionex 500 ion chromatography system. Glucose, fructose, sucrose, and fructan polymers (inulin) were separated in a PA-100 column utilizing eluents of sodium hydroxide and a combination of sodium hydroxide an [and] sodium acetate. Short chain-length fructans (1-kestose,1-nystose, and 1-fructo-furanosylnystose) were present in leaves, shoots, and roots on all sampling dates. Concentration of short chain-length fructans and sucrose were present in greater quantities in roots than in leaves or shoots during August and September. After the occurrence of cooler temperatures and frosts in October the concentrations of short chain-length fructans declined in roots while the concentration of sucrose increased dramatically in roots, leaves, and shoots. In summary we found this technique to be an effective tool for characterization of free sugars and fructans in leaves, shoots, and roots of quackgrass."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Nielsen, P. M., and R. G. Wilson. 2003. Seasonal changes in glucose, fructose, sucrose, and fructans in the leaves, shoots, and roots of quackgrass. Proc. West. Soc. Weed Sci. 56:p. 91.
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Web URL(s):
http://www.wsweedscience.org//wp-content/uploads/proceedings-archive/2003.pdf#page=93
    Last checked: 12/10/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: SB 610 .W43 v.49
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