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http://dx.doi.org/10.7740/kjcs.2014.59.2.139

Germination and Growth Response of Spergularia marina Griseb by Salt Concentration  

Jeong, Jae-Hyeok (Department of rice and winter cereal corp, NICS, RDA)
Kim, Sun (Department of rice and winter cereal corp, NICS, RDA)
Lee, Jang-Hee (Department of rice and winter cereal corp, NICS, RDA)
Choi, Weon-Young (Department of rice and winter cereal corp, NICS, RDA)
Lee, Kyung-Bo (Department of rice and winter cereal corp, NICS, RDA)
Cho, Kwang-Min (Department of rice and winter cereal corp, NICS, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.59, no.2, 2014 , pp. 139-143 More about this Journal
Abstract
This study was conducted to investigate the germination and growth response by Salinities of Spergularia marina Griseb grown in the western coastal region in South Korea. The germination was investigated for 10 days at temperature $10^{\circ}C$, $15^{\circ}C$, $20^{\circ}C$, $25^{\circ}C$ in order to examine the germination of Spergularia marina Griseb by NaCl concentration 0.0, 0.3, 0.5, 1.0, 2.0%. The germination of NaCl concentration 0.0~1.0% was 90% over at $15^{\circ}C$ treatment, but the germination of NaCl concentration 2.0% was 0% at all temperature treatments. To identify the growth response of Spergularia marina Griseb according to the salinity, Spergularia marina Griseb was cultivated for 8 weeks in Hoagland culture medium and sea water. In nutrient solution culture, growth was best in NaCl 50mM among 0~400 mM concentrations and in 0, 12.5, 25, 50, 100% of sea water, growth was best in 12.5% (dilution ratio with fresh water) treatment. Spergularia marina Griseb's inorganic component contents according to salinity showed that $Na^+$ content increased, but contents of $K^+$, $Ca^+$, $Mg^+$ decreased. As a result, appropriate condition for Spergularia marina Griseb's germination is considered to be maintained at $15^{\circ}C$ and in less than NaCl 1.0% of salinity. When nutrient solution culture, NaCl 0.3% of treatment level is considered to be the optimum salinity.
Keywords
Halophyte; Spergularia marina Griseb; NaCl; germination; growth;
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Times Cited By KSCI : 5  (Citation Analysis)
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