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Study on germination rate enhancement and seedling raising-method development on Sorbus commixta Hedl.  

Lee, Seong-Yeal (Gangwon Agricultural Research and Extension Services)
Cho, Su-Hyun (Gangwon Agricultural Research and Extension Services)
Noh, Joon-Hyen (Gangwon Agricultural Research and Extension Services)
Youn, Jong-Tack (National Crop Experiment Station, RDA)
Yu, Chang-Yeon (College of Agricultural and Life Science, Kangwon National University)
Lee, Jin-Ha (School of Biotechnology and Bioengneering, Kangwon National University)
Kim, Jong-Dai (School of Biotechnology and Bioengneering, Kangwon National University)
Publication Information
Korean Journal of Medicinal Crop Science / v.11, no.2, 2003 , pp. 135-142 More about this Journal
Abstract
This study was conducted to clarify on germination rate enhancement effect and to develope the growing seedling method on Sorbus commixta Hedl. The results were follows; The optimum temperature of stratification and germination of mountain ash was $5^{\circ}C$ the seed germination rate in wet stratification with sand at $5^{\circ}C$ for 90 days was 22.6% and the highest germination of 78.9% was observed when seed was soaked in BA 200ppm for 20 minute after stratification for 90 days at $5^{\circ}C$. The highest germination of large chinese hawthorn was 11.1% when seed was soaked BA 50ppm for 20 minute after stratification 90 days at $5^{\circ}C$. Emergence ratio in box raising seedling and pot seedling showed high, 93 and 95%. Root length and dry root weight in pot seedling for 50 days showed higher than that of direct seedling and box raising seedling, Plant height and dry leaf weight in box raising seedling showed higher than that of pot seedling and direct seedling. The growth increment of seedling was high between 40 days and 50 days after seedling. The excellent seedling of mountain ash was produced in pot seedling for 50 days.
Keywords
Sorbus commixta Hedl.; germination;
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