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http://dx.doi.org/10.7732/kjpr.2016.29.4.385

Effect of Chemical Treatments on Seed Germination of Saururus chinensis (Lour.) Baill., an Endangered Species in Korea  

Cho, Ju Sung (Department of Horticultural Science, Chungbuk National University)
Lee, Cheol Hee (Department of Horticultural Science, Chungbuk National University)
Publication Information
Korean Journal of Plant Resources / v.29, no.4, 2016 , pp. 385-392 More about this Journal
Abstract
This research was performed to develop seminal propagation method of Saururus chinensis (Lour.) Baill. by conducting a rigorous germination study. Well-selected seeds were dry-stored at 4 ± 1.0℃ during the experiment. To study dormancy type, non-stored seeds were analyzed by embryo observation, germination test and detecting for any difficulties in seed coat to absorb moisture. Then to improve germination, seeds were submerged for 24 hours in a solution of varying concentrations containing one of plant growth regulators and minerals. According to research, fleshly matured seeds had an undifferentiated embryo and had a low germination rate below 5%. In addition, water submersion led to moisture absorption, embryo in the seeds grew and germinated so it was deemed morphophysiological dormant seeds. Percent germination (PG) and germination energy (GE) was greatly improved by soaking in plant growth regulators and minerals for 24 hours. Especially, 500 ㎎/L GA3 treatment resulted in the highest GE as 46.1%. KNO3 meaningfully improved PG (54.3∼57.7%) at 10∼20 mM but effect of minerals on germination acceleration as GE were negatively impacted in all concentrations.
Keywords
Dormancy type; GA3; Germination energy; KNO3; Morphophysiological dormancy; Saururus;
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Times Cited By KSCI : 6  (Citation Analysis)
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