Phytochemistry 32: 551-556 (1993)

The distribution of hydroxycinnamoylputrescines in different organs of Solanum tuberosum and other Solanaceous species

Gerhard Leubner-Metzger and Nikolaus Amrhein

Institute of Plant Sciences, Plant Biochemistry and Physiology, Swiss Federal Institute of Technology, Sonneggstr. 5, CH-8092 Zürich, Switzerland Received: 25 June 1992

Figure 2. Comparison of the endogenous distribution of free putrescine (Put), spermidine (Spd) and spermine (Spm) in field grown Solanum tuberosum ssp. tuberosum cv. Astrid. (a) Distribution in the underground shoot. Unthick. = unthickened, thick. = thickened. (b) Distribution in the aboveground shoot and in the root. Results expressed as means of two independent measurements (extracts from organs taken from 230 and 14 plants respectively), which did not differ by more than 40 % (exceptions: unthickened and thickened stolontips 50 %, roots 60 %). DW = dry weight.

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