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http://dx.doi.org/10.7850/jkso.2014.19.2.164

Germination Rate of Zostera marina Seeds Relative to Storage Methods and Periods  

Park, Jung-Im (Marine Eco-Technology Institute, Co., Ltd.)
Park, Jay Hee (Marine Eco-Technology Institute, Co., Ltd.)
Lee, Kun-Seop (Department of Biological Sciences, Pusan National University)
Son, Min Ho (Marine Eco-Technology Institute, Co., Ltd.)
Publication Information
The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY / v.19, no.2, 2014 , pp. 164-168 More about this Journal
Abstract
To determine the optimal storage method and longest possible storage period of Zostera marina seeds, we examined post-storage germination rates using different storage methods and periods for Z. marina seeds harvested in southern coast of Korea. Storage methods included in seawater at room temperature with air supply, seawater at $4^{\circ}C$, seawater at $30^{\circ}C$, an aquarium with continuous seawater circulation, seawater at room temperature in an airtight tank, a refrigerator at $-20^{\circ}C$, and a desiccator at room temperature. Germination rates of Z. marina seeds stored in seawater at $4^{\circ}C$ showed highest germination (52.0%), whereas those of seeds stored in seawater at room temperature and an aquarium were 27.4% and 17.7%, respectively. But the seeds stored in seawater at $30^{\circ}C$, a refrigerator, and a desiccator did not germinate. Storage periods were 10, 20, 30, 60, 180 and 240 days of storage. Z. marina seeds maintained germination rates of 46.4~52.4% until 10~60 days of storage, but showed rapidly decreasing germination rates after then and no germination after 240 days.
Keywords
Zostera marina; Seed; Storage method; Storage period; Recalcitrant seeds;
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