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KMID : 0368419900330020141
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Journal of Plant Biology
1990 Volume.33 No. 2 p.141 ~ p.146
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Effects of Temperature and Saiinity on Germination and Vegetative Growth of Enteromorphe multiremosa Bliding(Chlorophyceae, Ulvales)
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Kim, Kwang Young/김광용
Lee, In Kyu/Choi, Chung Il/李仁圭/최청일
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Abstract
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Germination and vegetative growth of Enteromorpha multiramosa Bliding from Pyoson, Cheju Island were investigated in laboratory under various combinations of temperature (5-25℃) and salinity (8-48‰). Percent level of germination was relatively high at all combinations of the two factors. The highest value among the combinations was revealed at 15℃ and 32‰. Dry weight also was fairly high at all levels of combination with maximum value at 20℃ and 32‰. Analysis of variance for germination and growth was completed respectively and polynomial prediction models were constructed. F ratio revealed that all factors had a significant effect (p＜0.001) on percentage of germination and dry weight, and their interactions also were significant (p＜0.001), although the F ratio of interactions was far less than that for either the separate effect of temperature or salinity. Response surface of polynomial equation represented that temperature influenced less than salinity on germination, while it effected remarkably on vegetative growth, so that Enteromorpha multiramosa was kept to visible macrothalli from winter to spring in Cheju Island.
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