Comparison of cytokinin- and auxin-like activity in some commercially used seaweed extracts

Abstract

Six commercially used seaweed extracts were tested for cytokinin- and auxin-like activity using the soybean callus bioassay and the mung bean rooting bioassay respectively. All the seaweed extracts tested showed cytokinin-like activity. Seamac caused the most callus growth with activity being concentrated at R f 0.9 which co-chromatographed withiso-pentenyladenine and its riboside. The other five seaweed extracts yielded activity at R f 0.7–0.8. This co-chromatographed with zeatin and zeatin riboside. All the seaweed extracts tested improved rooting of mung beans. Kelpak made fromEcklonia maxima (Osbeck) Papenf. gave the best rooting response.

DOI: 10.1007/BF02186328

3 Figures and Tables

Cite this paper

@article{Stirk2004ComparisonOC, title={Comparison of cytokinin- and auxin-like activity in some commercially used seaweed extracts}, author={Wendy Ann Stirk and Johannes van Staden}, journal={Journal of Applied Phycology}, year={2004}, volume={8}, pages={503-508} }