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  • 1
    Electronic Resource
    Electronic Resource
    Determination of choline in phloem exudates of trees (1987)
    Springer
    Trees 1 (1987), S. 189-190 
    Details
    ISSN: 1432-2285
    Keywords: Aphids ; Choline ; Choline oxidase ; Phloem exudate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Choline, a necessary compound in an artificial diet for phloem-feeding aphids, was determined quantitatively in the phloem exudates of 16 tree species. The method used was a combination of choline oxidase action and oxygen determination with an oxygen electrode. Choline was found in all species, the concentration ranging between 36 and 5340 μM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00193561
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