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KMID : 0368419800230010027
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Journal of Plant Biology
1980 Volume.23 No. 1 p.27 ~ p.33
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Study on the Seed Germination and Salt Tolerance of Plants in Reclaimed Salt Area
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Abstract
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The germination character and the salt tolerance of seeds collected in a salt reclaimed area were studied. Twenty species of seeds out of 30 species collected were germinated under natural or continuous light conditions but only 16 species under dark condition. Germination percentage of seeds under dark was more decreased than those under other two conditions and speed of germination was accelerated at high temperature. It is clear that almost all the wild weeds were the light germinated seeds. The higher concentration of NaCl for germination inhibited to make the lower percentage and rate of germination. The germination curves of seeds treated with NaCl solution were classified into 3 different curves; a steeper, a parabola and intermediate. The critical concentrations of NaCl for germination were 2.3% for Brassica napus, 1.8% for Echinochloa hispidula, 1.5% for Setaria lutescens, 1.3% for Aster koraiensis, 0.7% for Bromus japonicus and 0.6% for Glyceria acutiflora.
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