Nature and Amount of Auxin in Algae : IAA from Extracts of Caulerpa paspaloides (Siphonales).
Evidence for the occurrence of indole 3-acetic acid in Caulerpa paspaloides extracts was obtained by bioassay, by high-performance liquid chromatography with an electrochemical detector, and by capillary gas chromatography combined with mass spectrometry. The amount of indole 3-acetic acid present was estimated to be about 1 milligram per kilogram fresh weight, with an error limit of one order of magnitude. This is in the range reported from angiosperms.
Jacobs
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Biology Department, Princeton University, Princeton, New Jersey 08544.
Falkenstein
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Hamilton
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