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Enhancement of Seaweed Rhizoid and Blade Formations by the Chlorophyte Codium fragile Extract
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  • Journal title : Journal of Life Science
  • Volume 26, Issue 4,  2016, pp.484-489
  • Publisher : Korean Society of Life Science
  • DOI : 10.5352/JLS.2016.26.4.484
 Title & Authors
Enhancement of Seaweed Rhizoid and Blade Formations by the Chlorophyte Codium fragile Extract
Getachew, Mehader; Getachew, Paulos; Cho, Ji-Young; Choi, Jae-Suk; Hong, Yong-Ki;
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 Abstract
Living organisms can maintain or extend their territories by producing allelochemicals that influence the growth, survival, and reproduction of other organisms. To identify natural biostimulants of positive allelochemicals, we screened 18 common seaweed extracts for enhancement of rhizoid and blade production in a convenient Porphyra suborbiculata monospore assay. By addition of methanolic extract from the most potent green seaweed, Codium fragile, 100% and 50% enhancement doses reflecting the amount of C. fragile extract required to enhance rhizoid formation (in terms of number of spores with rhizoids per total spores tested) were approximately 100 and 50 μg/ml, respectively, in the P. suborbiculata monospore culture. The C. fragile extract quickly enhanced rhizoid formation, rhizoid numbers per rhizoid-holding spore, rhizoid length, blade formation (in number of spores with blade per total spores tested), and blade length from most monospores at early culture days. The extract enhanced rhizoid formation after 2 days of culture significantly, rhizoid numbers per rhizoid-holding spore after 3 days, rhizoid length after 3 days, blade formation after 2 days, and blade length after 1 day, respectively, from most monospores. The allelochemicals that enhanced favorite seaweed species may be efficacious for new seaweed management technologies, including the development of biostimulant agents based on natural products.
 Keywords
Allelochemicals;Codium fragile;enhancement;monospore;rhizoid;
 Language
English
 Cited by
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