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Seed Production and Cultivation of Ecklonia stolonifera Okamura, Phaeophyta  

Kim, Dong-Sam (East Sea Fisheries Research Institute)
Hong, Jung-Pyo (East Sea Fisheries Research Institute)
Kim, Young-Dae (East Sea Fisheries Research Institute)
Song, Hong-In (West Sea Fisheries Research Institute)
Kim, Hyung-Geun (Faculty of Marine Bioscience and Technology, Kangnung National University)
Publication Information
Journal of Aquaculture / v.20, no.1, 2007 , pp. 7-13 More about this Journal
Abstract
The seed production of Ecklonia stolonifera Okamura was studied under laboratory conditions through the embryonic sporophyte stage and the field cultivation was conducted in eastern coast of Korea. The germination of zoospores occurred within 3 days and the growth of gametophytes was most rapid at $25^{\circ}C$ and $20\;{\mu}mol{\cdot}m^{-2}s^{-1}$. Sporophyte growth was highest at $20^{\circ}C$ and $20\;{\mu}mol{\cdot}m^{-2}s^{-1}$ and lowest at $25^{\circ}C$ and $80\;{\mu}mol{\cdot}m^{-2}s^{-1}$. In the nursery culture of E. stolonifera lasting for 2 weeks in January, the initial blade length of E. stolonifera (about $500\;{\mu}m$) grew to $526.3{\pm}176.0\;{\mu}m$ at water temperature of $12.05^{\circ}C$. The blade length and width reached their maxima in July, after which the ends of blade and stem began to degrade with the increase in water temperature. The degraded end of the blade started to regenerate in October, when water temperature began to decline. This species can be considered a potential candidate for aquaculture, increasing in the availability of raw material and aiding in recovery of seaweed bed.
Keywords
Laboratory and field culture; Ecklonia stolonifera; Kelp; Korea;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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