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Production of rhizoids by Caulerpa prolifera in culture
Friedlander, M.; Kosov, Y.; Keret, G.; Dawes, C.J. (2006). Production of rhizoids by Caulerpa prolifera in culture. Aquat. Bot. 85(3): 263-266.
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

Available in  Authors 

    Cultures; Caulerpa prolifera (Forsskål) J.V.Lamouroux, 1809 [WoRMS]; Marine
Author keywords
    Caulerpa prolifera; rhizoid; culture; adhesive

Authors  Top 
  • Friedlander, M.
  • Kosov, Y.
  • Keret, G.
  • Dawes, C.J.

    Studies on Caulerpa prolifera rhizoids were carried out to determine the possibility of mass culture, because the rhizoids produce a bio-adhesive. Rhizoids can be induced by cutting the base of a blade and floating it in a media or planting it in sand. Measurement of rhizoid production included determination of number, length, and the weight of attached sand grains. The growth experiments were for 1–2 weeks and fronds growth was compared to rhizoid production. Optimal conditions for rhizoid growth included low levels of nitrogen and phosphate (less than 5 and 2 μM, respectively), low irradiance (30 μmol photon m−2 s−1), moderate temperature (22–28°), continuous shaking, addition of microelements and auxin (1 ppm) and initially detached fronds followed by attachment. Under these optimal conditions maximal weekly growth reached 70–170 rhizoids per blade, 7–11 mm length and maximal attachment to sand grains. Blade growth of C. prolifera responded similarly to rhizoid production and reached a weekly growth rate of 30–130%.

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