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http://dx.doi.org/10.14578/jkfs.2016.105.1.63

Several Factors Affecting Seed Emergence, Seedling Quality and Survival of Potted Seedling on Ligularia fischeri  

Lee, Ki Cheol (Useful Plant Resources Center, Korea National Arboretum of the Korea Fores Service)
Lee, Su Gwang (Division of Special-purpose Trees, National Institute of Forest Science)
Lee, Uk (Division of Special-purpose Trees, National Institute of Forest Science)
Noh, Hee Sun (Specialty Crops Experiment Station, Gangwondo Agricultural Research and Extension Services)
Lee, Jeong Ho (Specialty Crops Experiment Station, Gangwondo Agricultural Research and Extension Services)
Publication Information
Journal of Korean Society of Forest Science / v.105, no.1, 2016 , pp. 63-72 More about this Journal
Abstract
A study was conducted to evaluate the effect of collected region(Bongpyeong in Gangwon, 690 m, Mt. Halla in Jeju, 1,085 m), pre-treatment (stratification, soaked in distilled water or $GA_3$) and shading (control, 50%, 80%) on seed emergence and seedlings growth of Ligularia fischeri. The result showed that seed emergence (%) of L. fischeri were 6.9~75.5% (Gangwon : 6.9~32.8%, Halla : 22.2~75.5%). Maximum seed emergence (%) of 32.8 (Gangwon) and 75.5 (Halla) were achieved for seeds were stratified, soaked in distilled water, and under non-shading for L. fischeri (Gangwon), whereas seeds were stratified, soaked in $GA_3$ 100 ppm, and under 80% shading for L. fischeri (Halla). In this study, the best seedling vigor index (SVI) of L. fischeri (Gangwon) and L. fischeri (Halla) were obtained when seeds were stratified, soaked in distilled water, and under 50% shading. The survival rate of potted seedlings for L. fischeri (Halla) were 100% of all shading conditions, but there were decreased by 77.8%, 61.1%, 55.6%, as an increasing shading rate (con, 50%, 80%) for L. fischeri (Gangwon). Therefore, good seedlings were obtained when seed (Mt. Halla) of L. fischeri were stratified, soaked in distilled water, and under 50% shading, and then seedlings were transferred in pot.
Keywords
Ligularia fischeri; seed emergence; seed pre-treatment; seedlings growth; shading;
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